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  • Limnology  (54)
  • Conservation  (47)
  • Earth Sciences  (13)
  • Cell & Developmental Biology
  • General Chemistry
  • LUNAR AND PLANETARY EXPLORATION
  • Gainesville, FL  (72)
  • Cornwall, UK
  • 1
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    River Lynher SAP Final Plan (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11109 | 1256 | 2013-04-06 16:11:25 | 11109 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Lynher Salmon Action Plan Final document produced by the Environment Agency in 1999. This final Salmon Action Plan (SAP) for the River Lynher catchment has been produced after consideration of feedback from external consultation. It provides a list of the agreed issues and actions for the next five years to maintain and improve the River Lynher salmon stock. The actions presented within this final Salmon Action Plan clarify the important issues and factors currently limiting the salmon stock on the river. The resolution of these issues should ensure that a sustainable salmon population will be maintained for future generations. The River Lynher salmon stock has suffered two periods of spawning target failure within the past ten years. This assessment can only be estimated and in this case is likely to be dependent on river flow and the availability of salmon to the rods as only rod catch is used in the compliance assessment.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Lynher ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 2
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    River Tavy SAP Final Plan (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11114 | 1256 | 2013-04-06 16:10:41 | 11114 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Tavy Salmon Action Plan Final document produced by the Environment Agency in 2000. This final Salmon Action Plan (SAP) for the River Tavy catchment has been produced after consideration of feedback from external consultation. It provides a list of the agreed issues and actions for the next five years to maintain and improve the River Tavy salmon stock. The actions presented within this Salmon Action Plan clarify the important issues and factors currently limiting the salmon stock on the river. The resolution of these issues should ensure that a sustainable salmon population will be maintained for future generations. An attempt has been made to cost these actions, identify possible sources of funding and to provide a timescale for action. This Action Plan aims to promote long term collaboration and co-operation between the Agency and other interested parties to effectively and efficiently manage the stock of salmon on the River Tavy.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Tavy ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    River Plym SAP Final Plan (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11111 | 1256 | 2013-04-06 16:11:08 | 11111 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Plym Salmon Action Plan Final document produced by the Environment Agency in 2003. This final Salmon Action Plan (SAP) for the River Plym catchment has been produced after consideration of feedback from external consultation. It provides a list of the agreed issues and actions for the next five years to maintain and improve the River Lynher salmon stock. These issues and actions follow on from the detailed analysis of the catchment, which is presented in the River Plym SAP Consultation document.The actions presented within this final Salmon Action Plan clarify the important issues and factors currently limiting the salmon stock on the river. The resolution of these issues should ensure that a sustainable salmon population will be maintained for future generations. The main objective of the River Plym SAP therefore, is to maintain, improve and develop the River Plym salmon stocks to a sustainable level that, on the basis of historic catch records, the catchment can clearly support. The River Plym has failed to pass its conservation limit since 1996, and the consultees felt very strongly that there were three major factors limiting the salmon stock of the River Plym.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Plym ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning target
    Repository Name: AquaDocs
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  • 4
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    River Camel SAP Consultation (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11104 | 1256 | 2013-04-06 16:13:29 | 11104 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Camel Salmon Action Plan produced by the Environment Agency in 2002. The report focuses on the River Camel Salmon Action Plan (SAP). The River Camel SAP follows the format of those completed for the Rivers Tamar, Lynher and Tavy. It is the 4th of 7 action plans that will be produced for salmon rivers managed by the Cornwall Area Fisheries, Recreation and Biodiversity Team. This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. In addition, for the first time, Salmon Action Plans have attempted to evaluate in economic terms, all of the contributory components of the salmon fishery. The River Camel Salmon Action Plan contains a description of the river catchment and highlights particular features that are relevant to the salmon population and associated fishery.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Camel ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    River Fowey SAP Consultation (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11106 | 1256 | 2013-04-06 16:11:53 | 11106 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Fowey Salmon Action Plan Consultation document produced by the Environment Agency in 2003. The report pays attention on the external consultation of the River Fowey Salmon Action Plan (SAP). The River Fowey SAP follows the format of those completed for the Rivers Tamar, Lynher, Tavy and Camel. It is the 5th of 7 action plans that will be produced for salmon rivers managed by the Cornwall Area Fisheries, Recreation and Biodiversity Team. This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. The River Fowey SAP contains a description of the river catchment and highlights particular features that are relevant to the salmon population and the associated fishery. Notably, there are historic workings for copper and china clay and two significant potable supply reservoirs (Siblyback and Colliford) which have been constructed within the catchment during the past 35 years. The whole of the Fowey catchment is set at the highest water quality grading of RE1 and this standard is met in all reaches of the River Fowey and its tributaries.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Fowey ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    River Tamar SAP Consultation (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11112 | 1256 | 2013-04-06 16:10:59 | 11112 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Tamar Salmon Action Plan Consultation document produced by the Environment Agency in 1998. The report pays attention on the external consultation of the River Tamar Salmon Action Plan (SAP). This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. The River Tamar was one of the premier salmon rivers in the West Country, supporting fifteen licensed estuary nets, and the second highest rod catch behind the River Exe. The River Tamar SAP contains a description of the river catchment and highlights particular features that are relevant to the salmon population and the associated fishery.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Tamar ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fish catch statistics ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    River Camel SAP Final Plan (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11105 | 1256 | 2013-04-06 16:12:01 | 11105 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Camel Salmon Action Plan Final document produced by the Environment Agency in 2002. This final Salmon Action Plan (SAP) for the River Camel catchment has been produced after consideration of feedback from external consultation. It provides a list of the agreed issues and actions for the next five years to maintain and improve the River Camel salmon stock. The actions presented within this Salmon Action Plan clarify the important issues and factors currently limiting the salmon stock on the river. The resolution of these issues should ensure that a sustainable salmon population will be maintained for future generations. An attempt has been made to cost these actions, identify possible sources of funding and to provide a timescale for action. This Action Plan aims to promote long term collaboration and co-operation between the Agency and other interested parties to effectively and efficiently manage the stock of salmon on the River Camel.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Camel ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 8
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    Gunnislake Fish Counter. Annual Report 1999 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10904 | 1256 | 2013-03-22 13:40:38 | 10904 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Gunnislake Fish Counter, Annual Report 1999 produced by the Environment Agency South West Region on March 2000. The report presents the daily upstream counts of migratory salmonids recorded at Gunnislake Weir fish counting station (SX 435 713) situated on the River Tamar in 1999. The counter data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the implementation of the National Spring Salmon Byelaws. The fish counter at Gunnislake is a resistivity based system (Logie 2100A – Aquantic limited) and is installed in the fish pass on the Cornish bank of the River Tamar at the head of the tide. The minimum salmon count for 1999 was 2691. The run pattern observed for salmon and sea trout in 1999 was generally consistent with that of previous years. However, the total combined annual count of salmon and sea trout migrating upstream on the River Tamar in 1999 was 25% higher than the 5 year average (1994 - 1998).
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Tamar ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    Restormel Annual Report 2001 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10908 | 1256 | 2013-03-22 13:38:29 | 10908 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Restormel Fish Counter, Annual Report 2001 produced by the Environment Agency South West Region on March 2002. The report presents the daily upstream counts of migratory salmonids on the River Fowey at Restormel Weir fish counting station (SX 107 613) in 2001. The counter data covers the period of the commercial salmonid net buy back scheme and the national spring salmon byelaws. These reduce the commercial netting season for salmon and sea trout to between 16 June and 31 August. The fish counter at Restormel is installed on a crump sectioned weir on the River Fowey. The fish counter is a resistivity based system and operates over all three channels of the weir. 2001 was a good year for large sea trout. The number of returning large sea trout was above average in April, May, June and July and equal to or higher than the previous recorded maximum in those months. The main run of small sea trout occurred at a similar time to previous years with the highest numbers of fish entering the Fowey during June and July.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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  • 10
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    Restormel Fish Counter Annual Report 2007 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10928 | 1256 | 2013-03-22 13:32:54 | 10928 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2007 produced by the Environment Agency South West Region on March 2008. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel Weir fish counting station (SX 107 613) over the period March 2007 to February 2008 inclusive. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws (2 March- 15 June). The minimum upstream salmon estimate for 2007, over the period July 2007 to February 2008, was 796, which is the fifth highest recorded count over the past 13 years. The number of returning salmon in 2007 suggests a downward trend in numbers since 2004. The 2007 large sea trout count is similar to 2006. Overall, the number of fish returning is still low in comparison with the 10-year average. There was a noticeable decrease in the number of small sea trout returning compared to 2006 and the 10-year average. The Fish counter at Restormel suffered several faults.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
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    Restormel Fish Counter Annual Report 2006 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10927 | 1256 | 2013-03-22 13:33:18 | 10927 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2006 produced by the Environment Agency South West Region on March 2007. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel weir fish counting station (SX 107 613) over the period March 2006 to February 2007 inclusive. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws (2 March- 15 June inclusive). The minimum upstream salmon estimate for 2005 (1046), over the period July 2005 to February 2006, was 20% lower than that recorded over the same period in 2004 (1301). However, this is the second highest count recorded over the past 11 years. The total sea trout count (10448) was 8% higher than 2004 (9608). The number of salmon and large sea trout was lower than average in 2005. However, the overall numbers of adult salmon and sea trout returning have been increasing year on year since 1997. This overall increase in the salmon and sea trout counts, together with the consistency of the numbers of fish returning over recent years suggests that measures designed to protect salmonid stocks in the River Fowey are working.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 12
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    Restormel Fish Counter Annual Report 2003 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10925 | 1256 | 2013-03-22 13:33:41 | 10925 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2003 produced by the Environment Agency South West Region on March 2004. The report presents the daily upstream counts of migratory salmonids recorded on the River Fowey at Restormel weir fish counting station (SX 107 613) in 2003. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Bylaws. The run pattern observed for salmon and sea trout in 2003 was generally consistent with that of previous years. The upstream salmon / large sea trout count for 2003 was 1777, 2% lower than that recorded in 2002. The overall increase in the salmon and sea trout counts, together with the consistency of the numbers over recent years suggests that measures designed to protect salmonid stocks were working.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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  • 13
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    Restormel Fish Counter Annual Report 2008 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10929 | 1256 | 2013-03-22 13:32:35 | 10929 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2008 produced by the Environment Agency South West Region on April 2009. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel Weir fish counting station (SX 107 613) over the period March 2008 to February 2009 inclusive. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws. The minimum upstream salmon estimate for 2008, over the period July 2008 to February 2009, was 938 and is the third highest recorded count over the past 14 years. The 2008 large sea trout count (482) shows a marked improvement in the number of returning fish when compared to 2007 (241). There was a significant decrease in the number of small sea trout returning in 2008 when compared to 2007 and the 10-year average.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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  • 14
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    Restormel Fish Counter Annual Report 2002 (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10923 | 1256 | 2013-03-22 13:33:59 | 10923 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2002 produced by the Environment Agency South West Region on March 2003. The report presents the daily upstream counts of migratory salmonids recorded on the River Fowey at Restormel Weir fish counting station (SX 107 613) in 2002. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Bylaws. The fish counter at Restormel is a resistivity based system (Logie 2100A - Aquantic limited) and is installed on the weir at Restormel approximately 2 km upstream of the tidal limit. The run pattern observed for salmon and sea trout in 2002 was generally consistent with that of previous years. The upstream salmon / large sea trout count for 2002 was 1804.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
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  • 15
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    River Fowey SAP Final Plan (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11107 | 1256 | 2013-04-06 16:11:45 | 11107 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Fowey Salmon Action Plan Final document produced by the Environment Agency in 2003. This final Salmon Action Plan (SAP) for the River Fowey catchment has been produced after consideration of feedback from external consultation. It provides a list of the agreed issues and actions for the next five years to maintain and improve the River Fowey salmon stock. The actions presented within this final Salmon Action Plan clarify the important issues and factors currently limiting the salmon stock on the river. The resolution of these issues should ensure that a sustainable salmon population will be maintained for future generations. The main objective of the Fowey SAP therefore, is to maintain, improve and develop the Fowey salmon stocks to a sustainable level that, on the basis of historic catch records, the catchment can clearly support. Although the Fowey is passing its conservation limit, the consultees felt very strongly that there were two major factors limiting the salmon stock of the River Fowey- the overgrazing of Bodmin Moor and the use of the catchment for water supply by South West Water.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Fowey ; Inland waters ; Freshwater fish ; Migratory species ; Conservation limit ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
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  • 16
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    River Lynher SAP Consultation (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11108 | 1256 | 2013-04-06 16:13:04 | 11108 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Lynher Salmon Action Plan Consultation document produced by the Environment Agency in 1998. The report pays attention on the external consultation of the River Lynher Salmon Action Plan (SAP). The River Lynher SAP follows that for the River Tamar and is the second of seven action plans that will be produced for salmon rivers managed by the Cornwall area fisheries department. This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. The River Lynher SAP contains a description of the river catchment and highlights particular features that are relevant to the salmon population and the associated fishery. The analysis of recent and historical catches of salmon on the River Lynher from both the rod and net fisheries indicated the fishery's reliance upon post 1 June salmon. Historically, annual salmon catches (both rod and net) on the River Lynher have been found to consist of a much higher proportion of pre 1 June (spring) salmon. Evidence is provided that illustrates the extent of the decline within this stock component since the early 1980s.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Lynher ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fish catch statistics ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
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    Restormel Fish Counter Annual Report 1999 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10905 | 1256 | 2013-03-22 13:39:13 | 10905 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Restormel Fish Counter, Annual Report 1999 produced by the Environment Agency South West Region on March 2000. The report presents the daily upstream counts of migratory salmonids recorded at Restormel Weir counting station (SX 107 613) River Fowey in 1999. The counter data covers the period of the commercial migratory salmonid net buy-back scheme, which was in operation between March and June 1999. The fish counter is a resistivity based system (Logie 2100 A - Aquantic limited) and operates over all three channels of the weir at Restormel. The minimum salmon count estimate was 497, and the 1999 upstream count for sea trout was 6590. The run pattern observed for salmon and sea trout in 1999 was generally consistent with that of previous years. Flows on average were half those of 1998 during September, October, and November.
    Description: : Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
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    Gunnislake Annual Report 2001 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10907 | 1256 | 2013-03-22 13:39:40 | 10907 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Gunnislake Fish Counter, Annual Report 2001 produced by the Environment Agency South West Region on March 2002. The report presents the daily upstream counts of migratory salmonids recorded on the River Tamar at Gunnislake Weir fish counting station (SX 435 713) situated in 2001. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws. The fish counter at Gunnislake is a resistivity based system (Logie 2100A – Aquantic limited) and is installed in the fish pass on the Cornish bank of the River Tamar at the head of the tide. The minimum salmon count for 2001 was 3138. The 2001 upstream count for sea trout was 7503. The run pattern observed for salmon and sea trout in 2001 was generally consistent with that of previous years.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Tamar ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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  • 19
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    River Plym SAP Consultation (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11110 | 1256 | 2013-04-06 16:11:17 | 11110 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Plym Salmon Action Plan Consultation document produced by the Environment Agency in 2003. The report pays attention on the external consultation of the River Plym Salmon Action Plan (SAP). This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. The River Plym SAP follows the format of those completed for the rivers Tamar, Lynher, Tavy, Camel and Fowey. It is the sixth of seven action plans that will be produced for salmon rivers managed by Cornwall Area. The River Plym SAP contains a description of the river catchment and highlights particular features that are relevant to the salmon population and the associated fishery. Notably, there are historic workings for china clay and a significant potable water supply at Burrator Reservoir. The main River Plym has been designated as River Ecosystem class 1 for its water quality objectives. This is the highest water quality target set for rivers. This standard has been met in all reaches of the main River Plym and River Meavy.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Plym ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fish catch statistics ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
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    River Tavy SAP Consultation (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11113 | 1256 | 2013-04-06 16:10:50 | 11113 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Tavy Salmon Action Plan Consultation document produced by the Environment Agency in 1999. The report pays attention on the external consultation of the River Tavy Salmon Action Plan (SAP). This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. In addition, salmon action plans have for the first time, attempted to evaluate in economic terms, all of the contributory components of the salmon fishery. The River Tavy Salmon Action Plan follows that for the River Tamar and River Lynher and is the third of seven action plans that will be produced for salmon rivers managed by the Cornwall Area FER department. The River Tavy SAP contains a description of the river catchment and highlights particular features that are relevant to the salmon population and the associated fishery.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Tavy ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fish catch statistics ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
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    River Yealm SAP Final Plan (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11115 | 1256 | 2013-04-06 16:10:33 | 11115 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Yealm Salmon Action Plan Final document produced by the Environment Agency in 2003. This final Salmon Action Plan (SAP) for the River Yealm catchment has been produced after consideration of feedback from external consultation. It provides a list of the agreed issues and actions for the next five years to maintain and improve the River Yealm salmon stock. The actions presented within this Salmon Action Plan clarify the important issues and factors currently limiting the salmon stock on the river. The resolution of these issues should ensure that a sustainable salmon population will be maintained for future generations. An attempt has been made to cost these actions, identify possible sources of funding and to provide a timescale for action. The main objective of the River Yealm SAP is to maintain, improve and develop the River Yealm salmon stocks to a sustainable level that, on the basis of historic catch records, the catchment can clearly support.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Yealm ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
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    River Yealm SAP Consultation (2021)
    Environment Agency | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11116 | 1256 | 2013-04-06 16:10:23 | 11116 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This is the River Yealm Salmon Action Plan Consultation document produced by the Environment Agency in 2003. The report pays attention on the external consultation of the River Yealm Salmon Action Plan (SAP). This strategy represents an entirely new approach to salmon management within the UK and introduces the concept of river-specific salmon spawning targets as a salmon management tool. The River Yealm Salmon Action Plan follows the format of those completed for the rivers Tamar, Lynher, Tavy, Camel, Fowey and Plym. It is the final one of seven action plans that will be produced for salmon rivers managed by Cornwall Area. The River Yealm SAP contains a description of the river catchment and highlights particular features that are relevant to the salmon population and the associated fishery. Notably there are potable water abstractions in the headwaters, workings for china clay on the main tributary, two inert waste landfill sites and an aggregate quarry adjacent to the main river and inputs from several Sewage Treatment Works (STW) and two industrial estates. The main River Yealm has been designated as River Ecosystem Class 1 for its water quality objectives. This is the highest water quality target set for rivers.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Cornwall ; River Yealm ; Inland waters ; Freshwater fish ; Migratory species ; Salmon Action Plan ; Fish catch statistics ; Fishery data ; Fishery management ; Fishery regulations ; Nature conservation ; Water quality ; Spawning targets
    Repository Name: AquaDocs
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    Gunnislake Fish Counter Annual Report 2000 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10906 | 1256 | 2013-03-22 13:40:07 | 10906 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Gunnislake Fish Counter, Annual Report 2000 produced by the Environment Agency South West Region on March 2001. The report presents the daily upstream counts of migratory salmonids recorded on the River Tamar at Gunnislake Weir fish counting station (SX 435 713) situated in 2000. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws. The fish counter at Gunnislake is a resistivity based system (Logie 2100A – Aquantic limited) and is installed in the fish pass on the Cornish bank of the River Tamar at the head of the tide. The minimum salmon count for 2000 was 2654. The 2000 upstream count for sea trout was 6417. The run pattern observed for salmon and sea trout in 2000 was generally consistent with that of previous years.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Tamar ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
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    Gunnislake Fish Counter Annual Report 2003 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10924 | 1256 | 2013-03-22 13:37:09 | 10924 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Gunnislake Fish Counter, Annual Report 2003 produced by the Environment Agency South West Region on March 2004. The report presents the daily upstream counts of migratory salmonids recorded at Gunnislake weir fish counting station and trap (River Tamar SX 435 713) in 2003. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Bylaws. The total combined annual count of upstream migrating salmon and sea trout on the River Tamar in 2003 was 7% higher than the 9-year average. The minimum salmon count for 2003 was 3626. The 2003 upstream count for sea trout was 9913. Trap data for 2003 is consistent with historic trapping and net data in terms of the size split between salmon and sea trout stocks.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Tamar ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
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    Gunnislake Fish Counter Annual Report 2002 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10922 | 1256 | 2013-03-22 13:36:12 | 10922 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Gunnislake Fish Counter Annual Report 2002 from the Environment Agency South West Region, which was held on March 2002. It presents the daily upstream counts of migratory salmonids recorded on the River Tamar at Gunnislake Weir fish counting station in 2002. The data within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Bylaws. The report contains section on Net Buy-Back; Species Apportionment; Validation of counter efficiency; results as total number of migratory salmonid (salmon and Sea Trout) counted moving upstream in 2002 at Gunnislake; video validation and Counter Efficiency; and Discussion. The section Discussion includes Salmon and Sea Trout counts recorded on the River Tamar 1995-2002, other fish species observed as sea lamprey and Environmental Factors (river flows, water temperature, and barometric pressure).
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Tamar ; Migratory species ; Fish counters ; Population dynamics
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    Restormel Fish Counter Annual Report 2005 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10926 | 1256 | 2013-03-22 13:33:29 | 10926 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2005 produced by the Environment Agency South West Region on March 2006. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel weir fish counting station (SX 107 613) over the period March 2005 to February 2006 inclusive. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws (from 2 March to 15 June Inclusive). The minimum upstream salmon estimate for 2005 was 1046, this is the second highest count recorded over the past 11 years. The total sea trout count (10448) was 8% higher than 2004 (9608). This overall increase in the salmon and sea trout counts, together with the consistency of the numbers of fish returning over recent years suggests that measures designed to protect salmonid stocks in the River Fowey are working.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
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    Restormel Fish Counter Annual Report 2008 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10930 | 1256 | 2013-03-26 14:02:51 | 10930 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2008 produced by the Environment Agency South West Region on April 2009. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel Weir fish counting station (SX 107 613) over the period March 2008 to February 2009 inclusive. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws. The minimum upstream salmon estimate for 2008, over the period July 2008 to February 2009, was 938, which is the third highest recorded count over the past 14 years. The 2008 large sea trout count (482) shows a marked improvement in the number of returning fish when compared to 2007 (241). There was a significant decrease in the number of small sea trout returning in 2008 when compared to 2007 and the 10-year average. The fish counter suffered several faults equated to 12.5 days during this period.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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    Restormel Fish Counter Annual Report 2010 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10931 | 1256 | 2013-03-26 14:02:00 | 10931 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2010 produced by the Environment Agency South West Region on June 2011. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel Weir fish counting station (SX 107 613) over the period March 2010 to February 2011 inclusive. Data contained within this report covers the period of the commercial migratory salmonid net buy-back scheme and the National Spring Salmon Byelaws. The minimum upstream salmon estimate for 2010, over the period July 2010 to February 2010, was 1220. The fish counter at Restormel suffered from only one major period of unscheduled downtime during 2010/2011. This was due to a counter fault over the period 21 to 30 August 2010 and equated to 10 days of downtime.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
    Type: monograph
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    Restormel Fish Counter Annual Report 2011 (2021)
    Environment Agency South West Region | Cornwall, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10932 | 1256 | 2013-03-26 14:01:47 | 10932 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Restormel Fish Counter, Annual Report 2011 produced by the Environment Agency, Environmental Monitoring Team on May 2012. The report presents the upstream counts of migratory salmonids recorded on the River Fowey at Restormel Weir fish counting station (SX 107 613) over the period March 2011 to February 2012 inclusive. The minimum upstream salmon estimate for 2011, over the period July 2011 to February 2012, was 675. The minimum upstream sea trout estimate for 2011 was 10,022, which is the fifth highest count recorded in the last 17 years. The fish counter at Restormel had six periods of downtime due to counter faults which equated to 19 days of downtime overall. Fish counts were estimated for downtime caused by counter faults but not for weir cleaning due to the small numbers of fish involved.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; Fowey ; Migratory species ; Fish counters ; Population dynamics
    Repository Name: AquaDocs
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    Submarine groundwater discharge: an unseen yet potentially important coastal phenomenon (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/230 | 3 | 2011-09-29 22:22:20 | 230 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-27
    Description: In collaboration with researchers from FloridaState University, Florida Sea Grant introduces an important but poorly known topic:submarine groundwater discharge. Although nearly invisible, submarinegroundwater discharge influences coastal systems. This brochure helps explain this important phenomenon. (8pp.)
    Description: National Sea Grant College Program
    Description: Center for Natural Resources, IFAS, University of Florida
    Description: NOAA Grant No 76 RG-0120
    Keywords: Pollution ; Oceanography ; Earth Sciences ; Environment ; groundwater discharge ; Florida
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    Fifth Florida Bay Science Conference: Joint Conference on the Science and Restoration of the Greater Everglades and Florida Bay Ecosystem; Westin Innisbrook, Palm Harbor, FL; April 13-18, 2003: "From Kissimmee to the Keys" (2021)
    University of Florida/IFAS, Office of Conferences & Institutes | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/231 | 3 | 2011-09-29 22:23:17 | 231 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-27
    Description: This joint conference is to provide a forum forphysical, biological, and social scientists to share their knowledge andresearch results concerning restoration of the Greater Everglades and Florida Bay Ecosystem.
    Keywords: Conservation ; Oceanography ; Biology ; Chemistry ; Planning ; Florida Bay ; research ; conferences
    Repository Name: AquaDocs
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    The state of Florida's estuaries and future needs in estuarine research: Part 2. an academic research agenda (review draft) (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/300 | 3 | 2020-08-24 02:45:05 | 300 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-28
    Description: As a program supporting academic research that addresses recognized societal needs, theFlorida Sea Grant Program is developing a research theme area on estuaries to provide a uniquely academic product that will augment mission-oriented research undertaken by government and bythe private sector. This report is not a call for proposals. It does not prescribe a specific researchplan. Rather, it is a concept paper designed to focus research on two broad "organizing themes":(1) the hydrology of Florida's estuaries, and (2) the impact of cyclic environmental variability onestuarine function. (46pp.)
    Description: National oceanic and Atmospheric Administration, U.S. Department of Commerce
    Keywords: Oceanography ; Engineering ; Earth Sciences ; Planning ; estuaries ; hydrology ; Florida
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    Barrier island erosion and overwash study - volume 1 (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/536 | 3 | 2020-08-24 03:04:36 | 536 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This is the first of a pair of reports documenting the effects of storms on barrier island systems.The present report (Volume 1) investigates storm effects on natural island conditions whereasVolume 2 addresses the effects of seawalls. With the aim of simulating the effects of overwashon barrier islands and characterizing their response, a series of nine experiments was conductedat the Coastal Engineering Laboratory of the University of Florida. The barrier island wassimulated by a 400 feet wide (prototype units) horizontal crest and an initially planar (1:19)beach. The effects of various storm surge levels and accompanying overtopping were investigated.Experiments were conducted with both regular and irregular storm waves. Regularwaves without overtopping caused the formation of a substantial berm in the swash zone and aprominent longshore bar offshore. Increasing degrees of overtopping resulted in substantial lossof sand from the barrier island system. The longshore bar was considerably more subtle for thehighest water level tested (11.5 ft. above mean sea level). Simulation of a storm-surge hydrographwith rising and falling water levels indicated that the presence of the bar tends to occuronly during a relatively steady or slowly changing water level. The experiments with irregularwaves were conducted with reasonably similar wave heights and carrier periods as those withregular waves. The major difference was in the characteristics of the longshore bar response. Incomparison with cases with regular waves, the bar was less distinct without overtopping, subtlewith minimal overtopping and absent in cases with substantial overtopping. These experimentsseem to indicate that offshore bars are simply break-point bars which require a fairly steadybreak-point and undertow (return of mass transport) for optimal formation. (Document has 84 pages.)
    Description: Department of Civil and Coastal Engineering, University of Florida
    Description: Prepared for: Beaches and Shores Resource Center Innovation Park, Morgan Building Box 9 2035 East Paul Dirac Drive Tallahassee, Fl 32304
    Keywords: Oceanography ; Engineering ; Earth Sciences ; Barrier Island ; Storm Effects ; Beach Erosion ; Overwash ; Washover
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    Historical shoreline response to inlet modifications and sea level rise (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/534 | 3 | 2020-08-24 03:03:47 | 534 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This thesis examines the historical shoreline response to inlet modifications and sealevel rise. Inlet modifications are considered to be the geographic stabilization and training(through the use of structures) of natural inlets and the creation and further modification ofartificial inlets. Shoreline response to natural and artificial processes must be understood inorder to predict the performance of the coastline. The tendency for creating and modifyinginlets increases as industry and population growth demands. Sea level rise is a natural processwhich cannot be controlled at this time. Current theoretical approaches to predictingshoreline response indicate that sea level rise and inlet modifications can cause substantialshoreline impact. Florida, with roughly a century of shoreline position and relative sea leveldata, provides a basis for examining past trends and comparing them with theory.The shoreline of Florida was found to be accreting with the greatest accretion alongthe east coast. Shoreline responses within the boundaries of the erosional influence of inletsdue to their creation and/or modification were examined for 19 inlets around the coast ofFlorida. The differences in the shoreline response before and after the initial modification ofeach inlet show the erosional strain that inlets apply on the nearby shoreline. The effect onshoreline response due to the human intervention (unnatural processes) of modifying inletswas isolated and examined. The shoreline response due to this "human intervention" was erosional, thereby showing the negative impact that modified inlets have on shorelines. Thisinduced erosion is responsible for the loss of roughly 21.6 million cubic yards of sand from theshoreline that is within the erosional influence of Florida's east coast inlets. Combining theshoreline changes due only to natural processes with sea level rise data allows for comparisonwith the commonly accepted Bruun Rule for shoreline response as a result of a changingsea level. This comparison and the effects of including a lag time between a rise in sea leveland a change in shoreline along the east coast of Florida during the last century show noagreement with the Bruun Rule and no correlation with a specific lag time. (Document has 153 pages.)
    Keywords: Oceanography ; Engineering ; Earth Sciences ; Coasts ; Sea level changes ; Coastal inlets ; Florida
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    Barrier island erosion and overwash study -- effect of seawalls. Volume 2 (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/541 | 3 | 2020-08-24 03:05:18 | 541 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This is the second of a pair of reports documenting the effects of storms on beach systemsincluding the presence of seawalls. With the aim of simulating the effects of overwash onbarrier islands with seawalls and characterizing their response, a series of eight experimentswas conducted at the Coastal Engineering Laboratory of the University of Florida. The barrierisland was simulated by a 400 feet wide horizontal crest and an initially uniform mildly-sloped(1:19) beach. The effects of positioning the seawall at two different locations as well as the effectsof various storm surge levels and accompanying overtopping were investigated. Experimentswere conducted with both regular and irregular storm waves. With the seawall located at theslope break between the crest and the sloping beach of the barrier island, and the crest of theseawall just submerged in sand, the effects on the sediment transport process were found to beminimal. For the same position of the seawall but with the crest of the seawall raised above thesurrounding ground level, overtopping caused washover of sand indicating substantial transportin suspension. Increased levels of overtopping tended to accentuate bed profile changes butsupress bar formation (as did irregular waves). Positioning the seawall at the Mean Sea Levelshoreline caused significant scour both immediately landward as well as immediately seawardof the seawall. A prominent scour trough developed further seaward. The longshore bar washighly three-dimensional. It appears that seawalls need to be located adequately landward of theshoreline to discharge their function effectively without adverse effect to the beach. In addition,concerns for safety warrant the presence of an adequate buffer-zone between the seawall andthe upland property. (61 pp.)
    Description: Prepared for: Beaches and Shores Resource Center Innovation Park, Morgan Building Box 9 2035 East Paul Dirac Drive Tallahassee, Fl 32304
    Keywords: Oceanography ; Engineering ; Earth Sciences ; Barrier island ; seawalls ; storm effects ; beach erosion ; overwash
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    Nesting Ecology of Snail Kites in Water Conservation Area· 3A (2021)
    Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/911 | 108 | 2011-09-29 21:24:50 | 911 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-04
    Keywords: Ecology ; Conservation ; Biology ; Snail Kites ; Florida ; Everglades
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    Red imported fire ant impacts on the endangered Florida grasshopper sparrow (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/939 | 108 | 2010-12-14 15:59:13 | 939 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: Red imported fire ants (Solenopsis invicta) invaded peninsular Florida morethan 30 years ago. Highlands and Polk counties, Florida, were probably first invaded inthe late 1960s. Since then, fire ants have continued both to spread and to increase inabundance. Experimental evidence has shown that red imported fire ants may have adetrimental impact on native species, both invertebrate and vertebrate, and that theseimpacts may be both direct and indirect. This segment of research was designed todetermine if fire ants have a negative impact on Florida grasshopper sparrow(Ammodramus savannarumfloridanus) populations at Avon Park Air Force BombingRange, Florida. The sampling reported herein was conducted during June and October,1997, and all analyses are restricted to data collected during those periods. As assessedby baits, fire ants were dominant on about half the sites, and absent from others. Inparticular, OQ Range sites tended to have fewer fire ants present, while Delta Trail siteswere more heavily infested, although there were exceptions. June fire ant abundance wasstrongly negatively correlated with both native ant abundance (r = -0.743, P = 0.006) andnative ant species richness (r = -0.730, P = 0.007). October fire ant abundance wasstrongly negatively correlated with both native ant abundance (r = -0.690, P = 0.013) andnative ant species richness (r = -0.736, P = 0.006). The patterns of fire ant abundance asassessed by pitfalls were very similar to those determined from bait sampling. June fireant abundance was negatively correlated (p 〈 0.05) with native ant richness, but otherJune comparisons were not statistically significant (P 〉 0.05). October fire antabundance was negatively correlated (P 〈 0.05) with native ant richness and abundance,but other comparisons were not statistically significant (P 〉 0.05). There was nosignificant correlation between overall insect biomass as assessed by light traps and fireant abundance as assessed by baits or pitfalls. Total biomass varied considerably amongthe two sample periods because of changes in overall insect abundance during differentseasons. There was a negative spatial correspondence between fire ants and nativeinvertebrates. Over most of the intensive study areas, there was a negative spatialrelationship between fire ants and the abundance of native invertebrates. Over about50% of the intensive study areas, there was a negative spatial relationship between fireants and the abundance of Florida grasshopper sparrows, although the relationship wasnot as strong as that between fire ants and native invertebrates. Fire ant and nativeinvertebrates were negatively correlated at grasshopper sparrow count locations (r =0.347,P = 0.03). A multiple regression model was fit to the data, using fire ants andnative invertebrates as independent variables, and grasshopper sparrow 100-m populationestimates (n = 39) as the dependent variable. The influence of fire ants on grasshoppersparrows was negative while the influence of native invertebrates was positive.However, the overall model, while suggestive, was not significant (r = 0.304, P = 0.17).Fire ant abundance was a better (negative) predictor of sparrow populations (P = 0.13)than was invertebrate abundance (P = 0.59). The overall model and influence of fire antson sparrow populations was suggestive of a negative influence warranting analyses ofdata for 1998 and 1999. (Document has 93 pages)
    Description: Research Work Order no. 175
    Description: Final report.
    Keywords: Ecology ; Conservation ; Biology ; Environment ; red imported fire ants ; fire ants ; vertebrates ; grasshopper sparrow ; Florida ; Solenopsis invicta ; Ammodramus savannarumfloridanus
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    Characterization of Kemp's Ridley Sea Turtles in the Florida Big Bend Area: Final report (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/956 | 3 | 2011-09-29 21:21:20 | 956 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: The Kemp's ridley (Lepidochelys kempo is considered the most endangered ofthe seven extant marine turtle species (Ross et al. 1989). The US Fish and WildlifeService (USFWS) and the National Marine Fisheries Service (NMFS) estimate thebreeding population at 1,500 to 3,000 individuals. The nesting population has beenreduced from approximately 40,000 on one day to no more than 700 annually(Magnuson et al. 1990, USFWS & NMFS 1992). Conservation measures for thespecies have focused on the protection of the nesting beach, captive rearing (headstarting), and the implementation of turtle excluder devices (TEDs) on shrimp nets. Fivehundred to 5,000 ridleys are still taken incidentally yearly by shrimp trawls (Magnuson etal. 1990). Lack of knowledge about early life stages of the Kemp's ridley sea turtlecurrently hinders recovery efforts for this federally listed species. (Document has 18 pages.)
    Description: Research Work Order no. 177
    Keywords: Conservation ; Biology ; Kemp's ridley sea turtle ; Lepidochelys kempi ; Florida ; Apalachee Bay
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    Analysis of Hydrologic Data for the White River Basin (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1001 | 3 | 2011-09-29 21:17:28 | 1001 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: The value of the natural resources of the White River Basin (Basin), AR isrecognized by the area's designation as a "Wetland of International Importance". TheBasin constitutes one of the Nation's largest remaining intact forested wetlandlandscapes, second only to the Atchafalya Basin. It supports the North Americancontinent's largest concentration of over-wintering mallard ducks, a world-class troutfishery, the last vestige of a big river fishery remaining in the Mississippi River Basin,and numerous threatened and endangered species. The continued viability of thiswetland ecosystem depends on the suitability of the hydrologic environment to theresident flora and fauna. Numerous modifications of the Basin hydrologic features in thepast century have seriously impaired the sustainability of these resources. The Basinwidealterations of hydrologic processes (e.g., impoundment and regulatory releases offlows and volumes in the upper reaches, navigational modifications of lower reaches, andconsumptive demands for agricultural use throughout) have affected the hydrology of thesystem profoundly. The result is highly regulated flows and stages, vastly alteredhydrologic patterns, over-stabilized water levels, and disruption of seasonal waterdistribution patterns. Given the critical nature of hydrology in regulating the structureand function of wetland ecosystems, the impacts have been devastating, particularly tothe critical bottomland hardwoods that support the Basin's fish and wildlife resources.To date these piece-meal, system-wide, hydrologic alterations have cornmutativelydegraded the habitat value of this resource for fish and wildlife in the Basin, and havelead to changes in their numbers and distributions. In spite of the enormous stakesinvolved, there has been no comprehensive characterization of the Basin hydrology.System alterations such as channel deepening, dam construction, water allocationplans, and flood control measures are currently pending. These projects will potentiallyhrther modify the hydrologic environments of the Basin, and no doubt require mitigationmeasures. In addition, there is genuine interest in restoring aspects of the Basin's historichydrologic regime within some set of reasonable limits. In order to proceed with thiseffort, the anticipated effects of these modifications and restorations on the Basin ecologyrequire thorough study of the area's historic hydrology, so that connectivity among Basinprecipitation patterns, flow fluctuations, and land use changes can be made. A basinhydrologic characterization is an initial component of this effort. The focus of this effortwas to determine and assemble the data set from which characterization of the hydrologicenvironments of the Basin using historic and recent water level, flow, (primarily byUSGS-WRD) at locations throughout the Basin could proceed. ( Document has 11 pages.)
    Description: Research Work Order no. 203
    Keywords: Conservation ; Biology ; Limnology ; Environment ; Policies ; White River Basin ; Arkansas ; hydrology ; species
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    Spatial and Temporal Changes in Tree Islands of the Arthur R. Marshall Loxahatchee National Wildlife Refuge in Response to Altered Hydrologies (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1063 | 3 | 2011-09-29 21:12:04 | 1063 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: Loxahatchee can be grouped into three zones according to the patterns of change of treeislands observed from 1950 to 1991. 1 ) the edge ofthe refuge adjacent to the canals, 2) the eastern interiorof the refuge, and 3) the western interior ofthe refuge. The general trend is for tree islandsAlong the edge of the refuge to have decreased insize, number, and percent cover, while those on theinterior increased in size, nunber, and percentcover.Results from this study illustrate the importanceof flow magnitude as well as hydroperiodand depth in stucturing patterns of tree islandswithin this peat wetland. Restoration of historichydroperiods and depths without historic flow patternsmay not be sufficient to restore or maintainthe historic pattern and function of the system. (60 pages)
    Keywords: Conservation ; Biology ; Limnology ; Arthur R. Marshall Loxahatchee National Wildlife Refuge ; Florida ; hydrology ; tree islands ; water regimes
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    Multimodeling Basis for Across-Trophic-Level Ecosystem Modeling: the Florida Everglades Example (2021)
    Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1071 | 3 | 2011-09-29 21:11:25 | 1071 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: We present a new modeling method for use in large-scale physical systems, such as the Everglades ecosystem.The current work that has been done in the ATLSS (Across-Trophic-Level System Simulation) project-whichfocuses on simulating key Everglades system components-relies on code integration. While this represents anecessary first step in analyzing the dynamics of species within the Everglades, it falls short of true modelintegration. We have constructed a methodology called object-oriented physical modeling (OOPM), which allowsa comprehensive knowledge representation to be constructedfor large-scale systems. OOPM enforces theidea that an implementation ofcomputer code can be accomplished in an incremental fashion by starting with aconceptual model and progressing to more detailed models. During this evolutionary procedure, a minimal amountof code is written, since the emphasis is on developing the conceptual model so that it not only represents theintuitive aspects ofthe model, but is also executable. OOPM provides a kind of "blueprint" for ecologists, biologistsand hydrologists to communicate and integrate models effectively. (14 page document)
    Keywords: Conservation ; Management ; Engineering ; Limnology ; Everglades ; Florida ; ecosystem ; modeling ; ATLSS (Across-Trophic-Level System Simulation) ; restoration
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    Type: article
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    Response of nesting sea turtles and foraging shorebirds to barrier island dynamics (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1102 | 3 | 2011-09-29 21:09:00 | 1102 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: Objectives of this study are to study the effects of the dynamic system off Cape San BIas on its unique group of nesting sea turtles and foraging shorebirds, including :1. changes in beach topography,2. changes in offshore topography,3. current flows and direction,4. tidal patterns,5. sand composition and origin,6. sea turtle nesting pattern,7. structure of the sea turtle group nesting along EAFB on Cape San BIas,8. shorebird prey availability along an accreting and eroding beach, and9. effects of beach driving on shorebird prey availability.(4 page document)
    Description: Research Work Order no. 185
    Keywords: Conservation ; Atmospheric Sciences ; Biology ; Cape San Blas ; Florida marine turtles ; nesting ; foraging ; shorebirds ; barrier islands
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    Evaluation the ecological role of alligator holes in the Everglades landscape (2021)
    Department of Wildlife Ecology and Conservation, Everglades Research and Education Center, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1117 | 3 | 2011-09-29 21:06:20 | 1117 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: The purpose of this project was to conduct a pilot project to determine the feasibility ofperforming a study to evaluate the ecological role of alligator holes in the Everglades system andto develop interagency support and a scope of work for future studies. The objectives for the firstyear were to: 1. Review existing information on the ecology of alligator holes and conduct a survey oncurrent complimentary studies.2. Conduct an ecological survey. including mapping and description. of existing alligatorholes.3. Establish interagency cooperation and support for an Alligator Hole Project. Based onthis interagency consultation develop a consensus for priorities for future research andintegration into ecosystem restoration efforts.(96 page document)
    Description: Final annual report for year 1. Submitted to: Everglades Agricultural Area Environmental Protection District
    Keywords: Biology ; Limnology ; alligator holes ; Everglades ; Florida
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    Sea turtle nesting activity along Eglin Air Force Base on Cape San Blas and Santa Rosa Island, Florida from 1994 to 1997. (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1096 | 3 | 2011-09-29 21:08:30 | 1096 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: Along EAFB on Cape San BIas, the only sea turtle species nest observed has beenthe loggerhead turtle. The first green turtle nest documented along the Florida panhandlecoast was observed on EAFB property, however (D. Atencio, EAFB, pers. comm). SantaRosa Island, located approximately 150 miles west of Cape San BIas supports a small butconsistent, group of nesting green turtles (Fig. 2). Although erosion is not as severe alongSanta Rosa Island as it is on Cape San BIas, and vehicular traffic is not permitted, seaturtles nesting on this barrier island must survive severe tropical storms, predation, andartificial lighting to be successful. Because this area supports a rare group of nesting greenturtles and is disturbed by intense artificial lighting from Air Force missions and adjacentresort towns, continued monitoring is necessary. The sea turtle species that nest along thisbarrier island, and the human activities that disturb those sea turtles present uniquecircumstances for management ofthis area. Protection ofthe significant nestingpopulations of sea turtles on EAFB properties on Cape San BIas and Santa Rosa Islandrequires yearly monitoring of the nesting activity and the natural and human disturbancesinfluencing the nesting females.The objectives ofthis study were to monitor sea turtle nesting along EAFB onCape San BIas to determine number of nests and hatching success, assess disturbances,and determine proper management to ensure successful nesting and hatching.(56 page document)
    Description: Research Work Order no. 129
    Description: Research Work Order no. 160
    Description: Research Work Order no. 181
    Description: U. S. Geological Survey/Biological Resource Division
    Keywords: Conservation ; Biology ; Cape San Blas ; Santa Rosa Island ; Florida ; marine turtles ; nesting ; Loggerhead turtles ; Caretta caretta ; Green turtles ; Chelonia mydas
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    Common Coastal Plants in Florida: a guide to planting and maintenance (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2065 | 3 | 2011-09-29 19:45:05 | 2065 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-07-11
    Description: (PDF has 125 pages.)
    Keywords: Management ; Conservation ; Biology ; Environment ; coastal plants ; Florida ; coastal zone management
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    Productivity of Florida Springs: first semi-annual report to Biology Division, Office of Naval Research, progress from June 1, 1952 to January 31, 1953 (2021)
    University of Florida, College of Arts and Sciences, Department of Biology | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/369 | 3 | 2011-09-29 22:09:52 | 369
    Details
    Publication Date: 2021-06-29
    Description: Work has begun on studying the factors responsible for productivityin the Florida springs, which are nearly constant temperature, constantchemical, steady state giant laboratories. Progress has been made on fiveaspects: qualitative description, quantitative description, completionof knowledge of chemical factors, measurement of productivity , developmentof productivity theory.Measurement of the primary productivity in Silver Springs and GreenCove Springs by two new methods: the raising of organisms in cages, and themeasurement of night & day differences in oxygen downstream agree roughly.Production in these springs is greater than previous production figures reportedfor marine, fresh water, and land areas. Instantaneous measures of production show large variations with season, time of day, cloud cover. Productionestimates range from 11,000 lbs per acre per year to 70,000 lbs. glucose peracre per year during daylight hours.Essential stability of the springs environment has been shown withrespect to temperature, phosphorus, and plant cover. A correlation of speciesnumber with lack of stability has been shown with insects. Quantitativestudies have shown very large plant base to pyramids of mass. Correlationof marine invasion with chlorinity has been shown. The essential aspects ofpH regulated phosphorus geochemistry in Florida have been outlined. Sometheoretical ideas on productivity have been evolved. Mapping of sessileorganisms in springs and taxonomic identification of dominants are halfcompleted. Plans for second six months include measurement of herbivoreand carnivore production rates and completion of food chain efficiencydeterminations in Silver Springs as a preparation for subsequentcomparisons between springs. (34pp.)
    Keywords: Ecology ; Limnology ; springs ; Florida ; productivity
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    Productivity of Florida Springs: third annual report to Biology Branch, Office of Naval Research progress from January 1 to December 31, 1955 (2021)
    University of Florida, Department of Biology | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/374 | 3 | 2011-09-29 22:09:16 | 374
    Details
    Publication Date: 2021-06-29
    Description: The effect of productivity on species variety has been studied by countsof diatom species on glass slides at favorable and unfavorable stations withinSilver Springs. Species variety has been presented in a measure that is independentof sample size, "species per cycle". This measure is based on the linear increase of accumulated species with logarithmic increase of individuals counted, which has been found approximately true for many kinds of populations in many communities. Diatom productivity was measured by the rate of chlorophyll accumulation. The poor station accumulated diatoms and chlorophyll slowly and was characterized by a large species variety. There was little change after 79 days. The rich station accumulated diatoms and chlorophyll rapidly and was characterized by a small species variety that decreased for 93 days as the density of the population increased. These results indicated that species variet was decreased by conditions of high productivity possibly through the action of high densities and competition.Twelve new diurnal production curves were obtained including two more on Silver Springs and one each for 10 different Florida Springs. A shallow oligohaline spring possessed the highest productivity of 58.0 gm/m2/day; a shaded and anerobic spring possessed the lowest producvitiy of 0.66 gm /m2/day. Findings in further studies in Silver Springs indicated a two fold diurnal chlorophyll fluctuation in the pseudoplankton going downstream, photosynthetic quotients corresponding to carbohydrate production on winter or heavily clouded days, and higher quotients corresponding to protein production on sunny, summer days; evidences that bell jar estimates of respiration in flowing water communities lead to underestimates; recalculation of mean depth of plant beds leads to a 5% estimate of photosynthetic efficiency for Silver Springs (rather than 8%). Correlated with a 20% decrease in the discharge associated with widespread drought in 1954-55 the oxygen of the main boil dropped from 2.5 ppm to 1.7 ppm. A production measurement by the diurnal oxygen and carbon-dioxide curve method was made in a somewhat isolated "boat basin." Efficiency of production in this stationary, plankton containing water of Silver Springs origin was about 1%. Further evidence was obtained of nitrate increase in water flowing from anaerobic springs over blue-green algae. The area based chlorophyll of the benthic Silver Springs community was similar to that in forests and lakes of Europe. (63 pages)
    Keywords: Ecology ; Limnology ; diatoms ; Silver Springs ; Florida ; productivity
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    Fine sediment erodibility in Lake Okeechobee, Florida (2021)
    University of Florida Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/127 | 3 | 2020-08-24 02:53:49 | 127 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-26
    Description: The critical need to predict the turbidity in water due to fine-grained sediment suspensionunder wave action over mud deposits for sedimentation and erosion studies, as well assorbed contaminant transport, is well known. Since fall velocities of fine sediment particlesare very small, they can be easily transported by hydrodynamic flows such as waves andcurrents. The presence of these particles in the water column affects accoustic transmission,heat absorption and depth of the eutrophic zone (Luettich et al., 1989). Because these sedimentsalso have a strong affinity for sorbing nutrients and toxic chemicals, sediments whichhave been deposited on the bottom may function as a source of contaminants to the watercolumn if they are disturbed by eroding forces resulting, for instance, from wave action. Anoutstanding example of a water body for these problems is Lake Okeechobee, the largestshallow lake in Florida. This lake shows typical signs of artificial eutrophication mainly dueto increased phosphorus loading associated with the surrounding region. Resuspension of sediment at the bottom of Lake Okeechobee composed of fine-grainedmaterial has been examined. A sediment transport model was used to simulate likelytrends in the evolution of the vertical suspended sediment concentration profile resultingfrom wave action, and the corresponding eroded bed depth was calculated through massbalance. Requisite information on characteristic parameters and relationships related tofine sediment erodibility were derived from field sampling of bottom sediment in the lake,and through laboratory experiments using this sediment and lake water. (161pp.)
    Description: South Florida Water Management District
    Keywords: Engineering ; Limnology ; Environment ; Chemistry ; Erosion ; Fine sediment ; Lake mud ; Lake Okeechobee
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    Florida's East Coast Inlets: shoreline effects and recommended action (2021)
    Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/125 | 3 | 2020-08-24 02:53:23 | 125 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-26
    Description: A brief summary review for each of the 19 inlets on Florida's East Coast is presented including:a scaled aerial photograph, brief historical information, several itemsrelated to sediment losses at each inlet and special characteristics relevantto State responsibilities. For each inlet the above information is utilized to develop a recommended action, usually in the form of periodic sand transferquantities. (PDF contains 67 pages)
    Description: Division of Beaches and Shores, Department of Natural Resource, State of Florida
    Keywords: Conservation ; Engineering ; Florida ; inlets ; St. Marys Entrance ; Nassau Sound ; Ft. George Inlet ; St. Johns River Entrance ; St. Augustine Inlet ; Matanzas Inlet ; Ponce De Leon Inlet ; Port Canaveral Entrance ; Sebastian Inlet ; Ft. Pierce Inlet ; St. Lucie Inlet ; Jupiter Inlet ; Lake Worth Inlet ; South Lake Worth Inlet ; Boca Raton Inlet ; Hillsboro Inlet ; Port Everglades Entrance ; Baker's Haulover Inlet ; Government Cut (Miami Harbor) ; management
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    Actual and potential tourist reaction to adverse changes in recreational coastal beaches and fisheries in Florida (2021)
    Florida State University, Department of Economics | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/180 | 3 | 2020-08-24 02:42:24 | 180 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-27
    Description: This report summarizes the results of a researchproject to determine the role of resource scarcity, if any,in influencing tourism to Florida. The project was designedto test the hypothesis that selected natural resourcessupply constraints (e.g., saltwater fisheries and beaches)in Florida's coastal zone, will moderate the projectedgrowth in tourism. (PDF contains 100 pages)
    Description: Florida Sea Grant College Program
    Description: Florida Sea Grant College Program Project Number R/C - P - 16 Grant Number NA 89 AA-D-5
    Keywords: Conservation ; Management ; Sociology ; tourism ; Florida ; coasts ; beaches ; fisheries
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    1999 Florida Bay and adjacent marine systems science conference; November 1-5, 1999; Westin Beach Resort, Key Largo, FL (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/224 | 3 | 2020-08-24 02:49:21 | 224 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-27
    Description: The Florida Bay Science Conference provides an opportunity annually for researchers toexchange technical information, share that information with resource managers and otherinterested conference attendees, and establish collaborative partnerships. This year’sconference allows investigators from more than 90 research and monitoring projects theopportunity to highlight their findings in platform and poster presentations.
    Keywords: Ecology ; Conservation ; Fisheries ; Environment ; Florida Bay ; research
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    Documentation of nearshore interactive wave - current - topography change models (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/471 | 3 | 2020-08-24 02:58:12 | 471 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: This report is to document the programs my colleague and I developed for computingtime-dependent nearshore hydrographic changes including beach profile responses.The time scale of the model is suitable for storm events to seasonalchanges, currently up to one year period. The model is very stable and is capableof handling complicated topographies including inlets and irregularly-shapedstructures such as curved jetties and breakwaters.The purpose of three-dimensional models is to predict the change of bottomtopography from the spatial distribution of the sediment transport rates, which areevaluated from the nearshore wave and current fields computed point by point insmall areas defined by a horizontal grid placed over the region of interest. Modelsof 3-D beach topography change require much fewer idealizations than do the linemodels. (Document has 43 pages.)
    Keywords: Oceanography ; Engineering ; Earth Sciences ; Coast changes ; models ; nearshore currents
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    Perdido Key Beach nourishment project: Gulf Islands National Seashore 1992 annual report (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/477 | 3 | 2020-08-24 02:59:30 | 477 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This report is the third annual report in a continuing series documenting a field projectwithin the Gulf Islands National Seashore at Perdido Key, Florida. The field project includesthe monitoring of a number of physical parameters related to the evolution of the Perdido Keybeach nourishment project. Approximately 4.1 million m3 of dredge spoil from Pensacola Passwere placed upon approximately 7 km of the Gulf of Mexico beaches and 3 million m3 offshoreof Perdido Key between November, 1989, and October, 1991.Beach profile data describing the evolution of the nourished beach are included, as wellas wave, current, tide, wind, temperature, and rainfall data to describe the forces influencingthe evolution. Data describing the sediment sizes throughout the project area are also included. A brief discussion of the data is included with an emphasis on evolution of the beach andoffshore nourishment. (Document contains 249 pages.)
    Description: Department of the Navy, Southern Division, Naval Facilities Engineering Command
    Keywords: Conservation ; Engineering ; Beach nourishment ; Sediment transport ; Perdido Key ; Florida ; Gulf Islands National Seashore
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    An ecosystem approach to public education and information at Eglin Air Force Base, Florida: 1992-1997: Final report (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1083 | 3 | 2011-09-29 21:09:51 | 1083 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: This project addressed a need for ecosystem management education of appropriatecontent and medium for audiences of Eglin Air Force Base, in northwestern Florida. The goalof this project was to better understand the various constituencies of Eglin Air Force Base andto develop effective methods of communication about Eglin's natural resources for thoseaudiences. In a broader sense, this research sought to fulfill the need for a model ofappropriate education in support of ecosystem management on public lands in the UnitedStates. The project was funded by a grant from the Legacy Natural Resources Program of theU.S. Department of Defense. (181 page document)
    Keywords: Conservation ; Education ; Information Management ; Eglin Air Force Base ; Florida ; ecosystem management ; public education
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    Habitat Use by Migratroy Shorebirds at the Cabo Rojo Salt Flats, Puerto Rico (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1077 | 3 | 2011-09-29 21:11:52 | 1077 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: The Cabo Rojo Salt Flats, at the southwestern tip ofPuerto Rico, provide important autumn stopover and winteringhabitat for migratory shorebirds. I studied the abundanceand distribution of shorebirds and their food resources atthis site during autumn of 1990 and 1991.Small calidrids (primarily Calidris pusilla and C.mauri) were the most abundant shorebirds at the salt flats.The maximum weekly counts of small calidrids in 1990 (2,690)and 1991 (3,532) occurred in mid October. Calidrids foragedprimarily in the Fraternidad lagoon system; roosting tookplace most often at the neighboring Candelaria Lagoon.The macroinvertebrate prey important to calidrids in theFraternidad system were Dasyhelea (Diptera), Trichocorixa(Hemiptera), and Artemia (Anostraca). Changes in invertebrateabundance coincided with fluctuations in salinity. (100 page document)
    Description: Research Work Order no. 78
    Keywords: Conservation ; Management ; Biology ; Limnology ; Shorebirds ; Cabo Rojo Salt Flats ; Puerto Rico ; migration ; Calidrids ; Candelaria Lagoon
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    Aerial census of manatees and boats over the lower St. Johns River and the Intracoastal waterway in northeastern Florida (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1085 | 3 | 2020-08-24 02:32:38 | 1085 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: West Indian manatees (Trichechus manatus) occur throughout the year inrivers, estuaries and coastal areas of Florida (Moore 1951, Hartman 1974,Irvine and Campbell 1978, Irvine et al. 1981). Manatees are widely dispersedalong the Gulf and Atlantic Coasts of the southeastern U.S. during the summermonths and aggregate at traditional warm water wintering sites during coolermonths (Hartman 1974, Powell and Waldron 1978, Rose and McCutcheon 1980,Rathbun et al. 1982, Powell and Rathbun 1983, Shane 1983). Their winterrange on the east coast of Florida extends as far north as Jacksonville(Hartman 1974, Rathbun et al. 1983, Kinnaird and Valade 1983) but manateesare sighted most frequently in the northeastern region of the peninsuladuring the summer months (Moore 1951, Hartman 1974, Irvine and Campbell1978). Recent evidence suggests that manatees in northeastern Florida arenot discrete subpopulations and that manatees make seasonal north/southmigrations along the eastern coastal waterways (Hartman 1974, Shane 1983,Rathbun et al. 1983, Kinnaird and Valade 1983).Northeastern Florida has the highest known manatee mortality in thestate, including the highest incidence of deaths due to collisions withboats, particularly in the St. Johns River and Brevard County (O'Shea et al.in prep.). It is difficult to develop wise management policies for thisregion because spatial and temporal use of northeastern Florida by manateeshas not been fully documented. The nature and extent of boat traffic alsohas not been described. I conducted aerial surveys for one complete year over the lower reachesof the St. Johns River and the northeastern section of the ICW (southernVolusia County to Kings Bay, Georgia) to document the spatial and temporalpatternLt~at characterize manatee use of northeast Florida, and to describethe nature and extent of boat traffic. The development of managementpractices based on these patterns should help minimize resource conflicts andpossibly reduce manatee boat/barge mortality. (60 page document)
    Description: Prepared for: U.S. Fish and Wildlife Service 75 Spring Street, S.W. Atlanta, GA 30303
    Keywords: Conservation ; Management ; Biology ; West Indian manatee ; Trichechus manatus ; Florida ; boat mortality ; St. Johns River
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    Factors affecting breeding status of wading birds in the Everglades. (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1079 | 3 | 2011-09-29 21:09:38 | 1079 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: This goals of this research and monitoring effort are to document nesting effortand roughly categorize success of nesting by wading birds in the central Everglades ofFlorida, and to investigate the causes of nonbreeding in a high proportion of the adultwading birds in the ecosystem The latter goal has focused on breeding of White Ibises(Eudocimus albus) and has been approached through 1) understanding the nutritional,behavioral, and hormonal aspects of normal breeding in a captive colony ofScarlet Ibises(considered conspecific to White Ibises) in central Florida, and 2) comparing breeding andnonbreeding wild White Ibises in the Everglades, in their physiology, nutritional state,breeding phenology, contaminant load, and hormonal status. This report covers work onthis project between January and November, 2000. (81 page docoument)
    Description: Research Work Order no. 191
    Description: 2000 draft Final Annual Report to The U. S. Army Corps of Engineers Jacksonville, Florida
    Keywords: Conservation ; Management ; Biology ; Limnology ; Wading birds ; nesting success ; Everglades ; Water Conservation Area 1 ; Water Conservation Area 2 ; Water Conservation Area 3 ; Florida ; water levels ; Loxahatchee National Wildlife Refuge ; Northeast Shark Slough (NESS) ; White Ibis ; Eudocimus albus
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    Monitoring and Research on Wading Birds in the Water Conservation Areas ofthe Everglades: The 1996 Nesting season (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1075 | 3 | 2011-09-29 21:11:45 | 1075 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: This project was initiated to continue monitoring reproductive responses of wadingbirds in the central Everglades, and to investigate two areas of research considered key tounderstanding and managing wading birds: nestling energetics, and factors affecting foodavailability. This report summarizes the first of two years of work. (101 page document)
    Description: Final Report to The U. S. Army Corps of Engineers Jacksonville, Florida
    Keywords: Conservation ; Management ; Biology ; Limnology ; Wading birds ; nesting success ; Everglades ; Water Conservation Area 1 ; Water Conservation Area 2 ; Water Conservation Area 3 ; Florida ; water levels ; Loxahatchee National Wildlife Refuge ; Northeast Shark Slough (NESS)
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    Wading Bird Nesting Success in the Water Conservation Areas of the Everglades, 1993 (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1073 | 3 | 2011-09-29 21:11:39 | 1073 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: This report documents breeding numbers, reproductive success, and foragingdispersion of long-legged wading birds in the Water Conservation Areas (WCAs) of theEverglades during the first six months of 1993. Briefly, the 1993 spring had abnormallyhigh water and windy conditions throughout the season, and produced poor nesting effort,low to moderate nesting success, and low production of young. Some species, like WoodStorks and White Ibises, did not nest at all in the WCAs. Others, like Great Egrets andTricolored Herons, showed considerably tenacity under the extremely poor nestingconditions. The 1993 season provided a rare chance to record the reproductive responses ofwading birds during sustained high water conditions. (108 page document)
    Description: Research Work Order no. 110
    Description: Final Report to The U. S. Army Corps of Engineers Jacksonville, Florida
    Keywords: Conservation ; Management ; Biology ; Limnology ; Wading birds ; nesting success ; Everglades ; Water Conservation Area 1 ; Water Conservation Area 2 ; Water Conservation Area 3 ; Florida ; water levels ; Loxahatchee National Wildlife Refuge ; Northeast Shark Slough (NESS)
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    Fish community structure in some naturally acid Florida lakes (2021)
    University of Florida, Department of Fisheries | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1084 | 3 | 2011-09-29 21:12:43 | 1084 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: This study investigated the status of fish communitiesin 12 naturally acid Florida lakes. The small, shallowlakes were located in the Ocala National Forest, the TrailRidge, and panhandle Florida; regions where lakes have lowacid neutralizing capacities and are considered sensitive tofurther acidification from anthropogenic sources.Fifteen species from seven families were capturedduring mark-recapture sampling. Warmouth (Lepomis gulosus)was the only cosmopolitan species in the study. Bluegill(Lepomis macrochirus) and largemouth bass (Micropterussalmoides), collected from 11 and 10 lakes, respectively,were also widely distributed species. Total fish abundanceand biomass were not related to lake pH or total alkalinity.(Document has 202 pages)
    Description: Research Work Order no. 73
    Description: PhD
    Description: This document was Cecil Jenning's Ph.D. dissertation submitted to the Department of Fisheries and Aquaculture, University of Florida.
    Keywords: Biology ; Limnology ; Chemistry ; lakes ; Florida ; fishes ; community ; water chemistry
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    Factors affecting breeding status of wading birds in the Everglades. (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1078 | 3 | 2011-09-29 21:11:55 | 1078 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: This report summarizes work done during the 1998 field season on ResearchWork Order 188, for the U.S. Army Corps ofEngineers through the U.S. GeologicalService's Biological Resource Division's Florida Cooperative Research Unit.The goals ofthis work were to continue the monitoring of nesting by waterbirdsin the central and northern Everglades, and to initiate research aimed at understandingwhy a very large proportion ofthe adult wading birds in the Everglades do not initiatenesting in most years.Between January and July of 1998, we performed systematic aerial surveys ofWCAs 1, 2, and 3 ofthe central and northern Everglades in order to locate and documentbreeding colonies ofwading birds. In addition, we performed systematic ground surveysto serve as checks on the aerial work, and to document solitary nesting species, and darkcolored species not easily counted from the air. (88 page document)
    Description: Research Work Order no. 188
    Description: Final Report to The U. S. Army Corps of Engineers Jacksonville, Florida
    Keywords: Conservation ; Management ; Biology ; Limnology ; Wading birds ; nesting success ; Everglades ; Water Conservation Area 1 ; Water Conservation Area 2 ; Water Conservation Area 3 ; Florida ; water levels ; Loxahatchee National Wildlife Refuge ; Northeast Shark Slough (NESS)
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    Marine Turtle Conservation on the Caribbean Coast of Nicaragua (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1081 | 3 | 2011-09-29 21:09:46 | 1081 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: The purpose of this initial phase was to expand our previous work on marine turtles onthe Caribbean coast of Nicaragua. This was done through the establishment of a collaborativeprogram with the Miskitu Indians to reduce the uncontrolled take of marine turtles in this region.We initiated activities for a multi-year program that will include research, training, andeducational activities involving three Miskitu Indian Communities located in the IndigenousCommunities and Miskito Cays Biosphere Reserve (ICMCBR). (5 page document)
    Description: Research Work Order no. 171
    Keywords: Conservation ; Biology ; Nicaragua ; sea turtles ; Miskitu Indians ; harvesting ; Miskito Cays Biosphere Reserve (ICMCBR)
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    Factors affecting breeding status of wading birds in the Everglades. (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1080 | 3 | 2011-09-29 21:09:44 | 1080 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: This comprehensive final report summarizes the results of a four-year researchand monitoring effort (1998 - 2001) designed to document nesting effort and success bywading birds, and to investigate the reproductive physiology and ecology of White Ibises(Eudocimus albus) in the Everglades ecosystem. The monitoring of nesting has beenaccomplished bystandardized systematic aerial and ground surveys and study of nestingsuccess of nesting colonies in Water Conservation Areas (WCAs) 2 and 3 ofthe centralEverglades. The White Ibis work was accomplished through 1) investigation of thenutritional, behavioral, and hormonal aspects of "normal" breeding in a captive colony ofScarlet Ibises (Eudocimus ruber, considered by many to be the same species as the WhiteIbis), and 2) documenting the physiology, nutritional state, breeding phenology,contaminant load, and hormonal status of free- living adult White Ibises in the centralEverglades. (364 page document)
    Description: Research Work Order no. 191
    Description: 2001 final comprehensive report to The U. S. Army Corps of Engineers Jacksonville, Florida
    Keywords: Conservation ; Management ; Biology ; Limnology ; Wading birds ; nesting success ; Everglades ; Water Conservation Area 1 ; Water Conservation Area 2 ; Water Conservation Area 3 ; Florida ; water levels ; Loxahatchee National Wildlife Refuge ; Northeast Shark Slough (NESS) ; White Ibis ; Eudocimus albus
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    Biology of nesting sea turtles along the Florida panhandle (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1090 | 3 | 2011-09-29 21:10:31 | 1090 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: The purpose of this study was to determine how the dynamic system off Cape San Blas affects its unique group ofnesting sea turtles we assessed:1. changes in beach topography,2. changes in offshore topography,3. current flows and direction,4. tidal patterns,5. sand composition and origin,6. sea turtle nesting pattern, and7. structure of the sea turtle group nesting along Cape San Blas. (9 page document)
    Description: Research Work Order no. 197B
    Description: Project status report. Final report.
    Keywords: Oceanography ; Biology ; Earth Sciences ; Cape San Blas ; Florida ; barrier islands ; green turtles ; Chelonia mydas ; loggerhead turtles ; nesting ; sea turtles
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    The Cape San Blas Ecological Study (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1094 | 3 | 2011-09-29 21:09:05 | 1094 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: Eglin AFB on Cape San Blas consists of approximately 250 acres located about180 miles east of the main Eglin reservation. This area lies on the S1. Joseph peninsula,part of a dynamic barrier island chain that extends across the northern Gulf of Mexico.Due to the natural forces that formed Cape San Blas and those that maintain this area, St.Joseph Peninsula has experienced severe land form change over time (see GIS land formchange maps). These changes allow for fluctuations in habitat types along Cape San Blas(see GIS land cover change maps)that influence the floral and faunal species using thisarea.The dynamic environment along Cape San Blasincludes flatwoods, interdunalswale, rosemary scrub, and beachfront. These habitats support a wide array of species,including several threatened and endangered species such as the loggerhead sea turtle(Caretta caretta), PipingPlover (Charadnus melodus), Least Tern (Sterna antillarum),and Bald Eagle (Haliaeetus leucocephalus). Proper management of these species and theirhabitats require knowledge of their abundance and distribution, and the effectsdisturbances have on their survival.In addition to threatened and endangered flora and fauna, Cape San Blas alsosupports tourists and recreationists. Although Gulf County is sparsely populated, withapproximately 13,000 inhabitants throughout 578 square miles, summer tourism and heavyrecreational use of beaches for fishing, crabbing, and shelling place continued andincreasing pressure on the natural resources of these areas (Rupert 1991). Gulf County isalso one of the few remaining counties in Florida that permits vehicular traffic on itsbeaches, including Cape San Blas. In addition to recreational use of these habitats;EAFBalso uses the area for military missions. Air Force property on Cape San Blas is primarilyused for radar tracking of flying missions over the Gulf of Mexico, although in recentyears it has been used for missile launchings and other various military activities.To allow continued military and public use of Air Force property while alsoprotecting the unique flora and fauna of the area,EAFB proposed a characterization of theresources found along Cape San Blas. A complete inventory of the physical features of thearea included investigating topography, soil chemistry, hydrology, archeology, and thedynamics of land mass and land cover change over time. Various thematic layers within ageographic information system (GIS) were used to spatially portray georeferenced data.Large scale changes over time were assessed using stereo aerial photography. Vegetationtransects, soil samples, elevation transects, an archeological survey, freshwater wells, anda tidal monitor were used to investigate the remaining features. (247 page document)
    Keywords: Conservation ; Earth Sciences ; Environment ; Cape San Blas ; Florida ; ecological inventory
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    Chemical characteristics of Santa Fe River in relation to local geology (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1110 | 3 | 2011-09-29 21:07:12 | 1110 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: 79 page document.
    Description: Supported by: U.S. Department of the Interior Fish and Wildlife Service Contract No. 14-16-0009-80-038
    Keywords: Limnology ; Earth Sciences ; Santa Fe River ; Florida ; geology
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    Methodology to assess the value of Florida wetlands to fish and wildlife: an annotated bibliography (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1109 | 3 | 2011-09-29 21:08:03 | 1109 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: The following bibliography was compiled for use by the CooperativeFish and Wildlife Unit and their cooperators as an aid in determiningresearch priorities in Florida wetlands. Emphasis was placed on studiesdone on the economic value of wetlands, values to fish and wildlife, methodsof sampling in a wetland area, and restoration practices. Material wasgenerally gathered from studies done in the southeast, however, somerelevant national papers were also included. (35 page document)
    Description: Supported by: U.S. Department of the Interior Fish and Wildlife Service Contract No. 14-16-0009-80-038 November
    Keywords: Limnology ; Policies ; wetlands ; Florida ; values
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    The effects of the Suwannee River Sill on the hydrology and vegetation of Okefenokee Swamp (2021)
    Florida Cooperative FIsh and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1111 | 3 | 2011-09-29 21:07:25 | 1111 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: The Suwannee River sill was constructed following extensive wildfires during1954-1955, with the intent of protecting the swamp and surrounding uplands from effectsof wildfires. During subsequent years, concern was raised that the dam might beadversely affecting the swamp ecology by extending periods of inundation, increasingwater depths, and subsequently affecting swamp vegetation. Delineating the effects ofthe Suwannee River sill on the swamp hydrologic environment and vegetationdistributions, in the process of exploring relationships among driving functions andlandscape responses, was a purpose of this research.(834 page document)
    Description: Supported by: U.S. Department of the Interior Fish and Wildlife Service Contract No. 14-16-0009-80-038 November
    Keywords: Limnology ; Policies ; Suwannee River sill ; Okefenokee Swamp ; wildfires ; Florida ; wetlands ; Georgia
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    Release techniques for marine fishes (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1479 | 3 | 2021-02-27 20:10:50 | 1479 | Florida Sea Grant College Program
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    Publication Date: 2021-07-08
    Description: Proper release of marine fishes has becomeincreasingly important to anglers. The use of fisheriesmanagement tools such as size limits, bag limits andclosed seasons as well as stronger conservation ethicshave resulted in more and more fish being released.In order to maintain healthy fish populations, each angler is responsible for fishing legally, carefullyhandling fish that are hooked and releasing fish thatare not harvested so they can spawn or perhaps becaught again. (PDF contains 4 pages.)
    Keywords: Conservation ; Fisheries ; Marine fishes ; Catch and release
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    Beach monitoring project Sand Key Phase II Beach nourishment program (North Redington Beach and Redington Shores) Post-Nourishment Report Part II Offshore Profiles and Wave Data (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1478 | 3 | 2011-09-29 20:30:35 | 1478 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
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    Publication Date: 2021-07-08
    Description: This study presents the third post-nourishment survey (January 1989) results forthe Sand Key Phase II beach nourishment project carried out in June, 1988. Themonitoring program to this beach nourishment project is a joint effort betweenthe University of South Florida and University of Florida. The field surveysinclude a total of 26 profiles, encompassing approximately 3 miles of shorelineextending from DNR R-96 to R-1ll. The total calculated volume loss of sand inthe nourished segment (from R-99G to R-107) between the July 88 and January 89surveys is 51,113 cubic yards, which is a loss about 9.7 percent of 529,150 cubicyards actually placed in the nourishment project. The total loss of sand computedin the entire survey area is 26,796 cubic yards, which is only 5.1 percent of thesand placed in the nourishment project. It is stressed that a part of these netvolume reductions is due to the background erosion and not due to spreading lossesinduced by the nourishment project. (PDF contains 168 pages.)
    Description: Prepared for: Pinellas County and Division of Beaches and Shores Florida Department of Natural Resources
    Keywords: Management ; Conservation ; Oceanography ; Sand Key ; Florida ; Beach nourishment ; North Redington Beach
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    2005 Florida Bay and Adjacent Marine Systems Science Conference; Hawk’s Cay Resort Duck Key, Florida; December 11-14, 2005: program and abstract book (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/236 | 3 | 2011-09-29 22:22:36 | 236 | Florida Sea Grant College Program
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    Publication Date: 2021-06-27
    Description: Conference themes addressed: Applications and Restoration Targets,the Mangrove-Estuarine Transition Zone, Benthic Habitats, Water Quality, Physical Processes,Higher Trophic Levels, and Adjacent Systems.
    Keywords: Conservation ; Ecology ; Fisheries ; Biology ; Engineering ; Chemistry ; Florida Bay ; research ; conferences
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    Estimation of the present and projected demand and supply of boat ramps for Florida's coastal regions and counties (2021)
    Florida State University, Department of Economics | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/299 | 3 | 2020-08-24 02:44:49 | 299 | Florida Sea Grant College Program
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    Publication Date: 2021-06-28
    Description: Registered boats less than 26 feet in Florida have expanded from 449,995 in 1982 to 620,548 in 1993,a 38 percent increase. Boats of this size are likely to be trailered to boat ramps for access towater bodies in and around the state. This increased demand for boat ramps has been accompanied bymany studies and surveys indicating a need for more public boat ramps and that existing ramps needimprovement. This report covers boat ramp issues and boaters' willingness to pay for manatee protection. (106pp.)
    Description: National Oceanographic and Atmospheric Administration, U.S. Department of Commerce
    Description: NA 36RG-0070,
    Keywords: Conservation ; Fisheries ; Engineering ; Environment ; boating industry ; manatees ; ramps ; Florida
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    Pier sediment scour tests for Merrill-Barber Bridge final report (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/479 | 3 | 2020-08-24 03:00:10 | 479 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: The objectives of this study were 1) to determine the maximum structure-inducedlocal sediment scour depths for the proposed bridge piers for the Merrill BarberBridge over Indian River on.State Road 60 in Indian River County, Florida and 2) todetermine the feasibility of predicting equilibrium local scour depths near complexmultiple pile bridge piers from bottom shear stresses on the prescoured bed. Aseries of hydrodynamic tests were conducted in a laboratory flume (100 ft long x 8 ftwide x 2 ft deep) where flow velocities near model piers were measured with a twocomponent constant temperature anemometer at a height of 3 mm above the bed. Bottomshear stresses were then estimated from the flow measurements. The piers (which are1/15 scale models of proposed Merrill Barber Bridge piers) consisted of thirtysixsquare piles (3 columns of 12) and a pile cap that was positioned at differentelevations above the bottom. Two different pile cap shapes were also considered. Asimple relationship between the prescoured bottom shear stress and the equilibriumlocal scour depth was postulated.Sediment scour tests were then conducted in the same flume with the samemodels. The average duration of these tests was 28 hours. Scour depths weremeasured periodically throughout these tests using an acoustic transponder. Thescour measurements were used 1) to establish the maximum scour depths for the MerrillBarber Bridge piers and 2) to calibrate and test the scour-shear stress relationship.Even though the range of conditions tested was somewhat limited, the approach appearspromising and should be pursued further. A number of interesting findings were maderegarding the rate at which scour occurs in these complex structures. (Document contains 134 pages.)
    Keywords: Engineering ; Earth Sciences ; scouring ; bridges ; Florida ; Merril P Barber Bridge
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    Beach face dynamics as affected by ground water table elevations (2021)
    University of Florida. Department of Coastal and Oceanographic Engineering | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/496 | 3 | 2020-08-24 03:02:24 | 496 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This report presents the results of laboratory studies which were carried out in the Coastaland Oceanographical Engineering Laboratory to investigate the effects of ground water tableelevations on the beach profile changes over the swash zone. The experiment was conducted atthree different water table levels while the other experimental conditions were fixed to constantvalues with regular waves. The water table levels included (1) normal water table level whichis the same as mean sea level, (2) a higher level and (3) a lower level than the mean sealevel. Special attention was given to the higher water level to investigate whether this levelenhances erosion of the beach face and also to methods of interpreting the experimental data.The experiment described herein was carried out with a fairly fine sand and has demonstratedthe significance of beach water table on profile dynamics. The increased water table levelcaused distinct effects in three definite zones. First, erosion occurred at the base of the beachface and the sand eroded was carried up and deposited on the upper portion of the beachface. Secondly, the bar trough deepened considerably and rapidly and the eroded sand wasdeposited immediately landward. This depositional area changed from mildly erosional tostrongly depositional. Third, the area seaward of the bar eroded with a substantial deepening.The lowered water table appeared to result in a much more stable beach and the resultingeffects were much less. The only noticeable trend was a limited deposition in the scour area atthe base of the beach face. (Document has 37 pages.)
    Keywords: Oceanography ; Limnology ; Engineering ; Earth Sciences ; Beach erosion ; ground water
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    Migration and habitat use of sea turtles in the Bahamas (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/959 | 3 | 2011-09-29 21:20:53 | 959 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: Objectives:Evaluate movement and distribution patterns of sea turtles in our series of study sitesin The Bahamas. This objective includes the questions of where do the turtles comefrom, how long are they resident in these sites, and where do they go when theyleave.Collect data that will allow us to develop techniques to compare habitat quality and toserve as a foundation for studies of the role of green turtles in seagrass ecosystems.Evaluate models for estimating growth rates and carrying capacities for sea turtlesbased on our data from a long-term study of immature green turtles in the southernBahamas. (Document has 7 pages.)
    Description: Research Work Order no. 166
    Keywords: Conservation ; Biology ; Sea turtles ; Bahamas
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    Improving survey methods and assessing impoundment effects on waterfowl ecology at Merritt Island National Wildlife Refuge (MINWR) (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/985 | 3 | 2010-12-14 15:59:47 | 985 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: Document has 3 pages; not full text searchable.
    Description: Research Work Order no. 186
    Keywords: Conservation ; Management ; Biology ; Waterfowl ; impoundments ; Merritt Island National Wildlife Refuge ; Florida ; surveying techniques
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    Impact of vehicular traffic on beach habitat and wildlife at Cape San Blas, Florida (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/987 | 3 | 2011-09-29 21:19:56 | 987 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: The objectives of this study were to (1) determine the magnitude and typesof vehicular traffic on Eglin AFB property; (2) assess current knowledge of federallylisted species on Cape San Blas to determine distribution, habitat needs and otherbiological requirements; (3) conduct surveys of marine turtle nesting activities incooperation with other entities on the peninsula; (4) assess the relationshipbetween human/vehicular disturbance and the federally listed species; (5) conducta winter survey of federally listed shorebirds on Air Force property; and (6) providemanagement options.(Document has 48 pages.)
    Keywords: Conservation ; Management ; Biology ; Cape St.Blas ; Florida ; vehicles ; beach ; wildlife impact ; Eglin Air Force Base ; bird inventory ; endangered/threatened species ; marine turtle nesting
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    Impact of Vehicular Traffic on Beach Habitat and Wildlife at Cape San Blas, Florida (2021)
    Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1013 | 108 | 2011-09-29 21:17:03 | 1013 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: Cape San Bias is located on a barrier spit, St. Joseph peninsula, between St. Joseph Bay and the Gulf of Mexico in Gulf County, Florida (Fig. 1). Locally, the name of the cape is often used to refer to the entire peninsula. St. JosephPeninsula State Park (SJPSP) comprises the northern 10 miles of the 22 mile-long peninsula. This section is closed to development and provides protection for representative coastal habitats, including sand dune and scrub pine. Two other parks are found on the peninsula, Joe B. Rish Park, a state-managed facility for the handicapped, and county-managed Salinas Park. Much of the cape itself fallsunder the domain of Eglin Air Force Base (AFB) (775 acres), and includes 2.8 miles of shoreline. The remainder of the peninsula is privately owned land developed principally for beach residences. All beach on the peninsula below mean highwater is state-owned with Gulf County exercising proprietary jurisdiction. Cape San Bias (outside the state park) is the only area in the Florida panhandle, other than short stretches of shore in Walton County, where beach driving is still allowed. Vehicular access to the shore is managed by Gulf County under a permit system. Although beach driving is valued by local surf anglers and beachfarers, concerns have been raised regarding its effects on beachfarer safety, habitat quality, and wildlife, particularly locally occurring species that are federally listed as endangered or threatened. Eglin AFB property on the cape is believed to provide important regional habitat for a variety of nesting and migrant shorebirds, as well as nesting loggerhead marine turtles (Caretta caretta). The objectives of this study were to (1) determine the magnitude and types of vehicular traffic on Eglin AFB property; (2) assess current knowledge of federally listed species on Cape San Bias to determine distribution, habitat needs and other biological requirements; (3) conduct surveys of marine turtle nesting activities in cooperation with other entities on the peninsula; (4) assess the relationship between human/vehicular disturbance and the federally listed species; (5) conduct a winter survey of federally listed shorebirds on Air Force property; and (6) providemanagement options. (Document has 58 pages)
    Keywords: Conservation ; Aquaculture ; Environment ; vehicular traffic ; beach habitat ; wildlife ; Cape San Blas ; Florida ; Caretta caretta ; marine turtle ; Eglin Air Force Base
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    Effects of low level military training flights on wading bird colonies in Florida (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/970 | 3 | 2011-09-29 21:18:47 | 970 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: During 1983 and 1984 the effect of low level military trainingflights on the establishment. size and reproductive success of wadingbird colonies was studied in Florida. Based on the indirect evidenceof colony distributions and turnover rates in relation to militaryareas (training routes designated to 500 feet or less above groundlevel and military operations areas). there was no demonstrated effectof military activity on wading bird colony establishment or size on astatewide basis. Colony distributions were random with respect tomilitary areas and turnover rates were within 2% when military andnon-military areas were compared. Colony distributions and turnoverrates, however. were related to the amount and type.Les tuer-tne orfreshwater) of wetland. respectively.During two breeding seasons the behavioral responses andreproductive success of selected species were monitored in anon-habituated treatment colony (military overflights) and a controlcolony (no overflights). Breeding wading birds responded to F-16overflights at 420 knots indicated airspeed. 82-84% maximum rpm. 500feet above ground level and sound levels ranging from 55-100 dBA byexhibiting no response. looking up or changing position (usually to analert posture): no productivity limiting responses were observed.High-nesting Great Egrets responded more than other species, nestlingGreat Egrets and Cattle Egrets responded significantly (r 〈.05) moreintensely than adults of their respective species, and adultsresponded less during incubation and late chick-rearing than at othertimes. In addition, no differences in adult attendance, aggressiveinteractions or chick feeding rates were observed to result from F-16 overflights. No evidence of habituation to overflights was noted.Humans entering the colony or airboats approaching the colony vicinityelicited the most severe responses (flushing and panic flights)observed at both sites.Since relatively little coastal military activity occurs at lowlevels ( ~500 ft) and only one Brown Pelican colony (5-6% of thebreeding population) was located in such an area, the reproductivesuccess of five, more lIexposedll study species (Great Egrets, SnowyEgrets, Tricolored Herons, Little Blue Herons, Cattle Egrets) nestingin interior freshwater colonies was studied. Reproductive activityincluding such factors as nest success, nestling survival, nestlingmortality, and nesting chronology was independent of F-16 overflightsbut related to ecological factors including colony location, colonycharacteristics and climatology. The responses to and effects of F-16overflights, as reported here, should not be considered representativeof military aircraft at lower altitudes or greater noise levels. (194 pages)
    Description: Prepared for the U.S. Air Force through the Florida Cooperative Fish and Wildlife Research Unit by the Department of Wildlife and Range Sciences, University of Florida, Gainesville, FL
    Keywords: Conservation ; Biology ; Policies ; wading birds ; aircraft
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    An evaluation of manatee distribution patterns in response to public use activities in Kings Bay, Crystal River, Florida (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/982 | 3 | 2011-09-29 21:19:46 | 982 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: The study had the following objectives:1. To observe the manatees that use Kings Bay, CrystalRiver, Florida throughout the winter and to plottheir relative use of southern end of Kings Bay(South Bay) and its sanctuaries on days withdiffering levels of human activity.2. To determine the relationship among human waterborneactivities, temperature, and manatee use of KingsBay.3. To make management recommendations, if necessary,to minimize any negative impacts of humanwater-borne activities on the Crystal River manateeswhile they are using this critical winter habitat.(Document has 50 pages.)
    Description: Research Work Order no. 52
    Keywords: Conservation ; Management ; Biology ; West Indian manatee ; Trichechus manatus ; human activities ; Kings Bay ; Crystal River ; Florida
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    An evaluation of manatee distribution patterns in response to public use activities in Kings Bay, Crystal River, Florida (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/983 | 3 | 2011-09-29 21:19:48 | 983 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: The study had the following objectives:1. To observe the manatees that use Kings Bay, CrystalRiver, Florida throughout the winter and to plottheir relative use of southern end of Kings Bay(South Bay) and its sanctuaries on days withdiffering levels of human activity.2. To determine the relationship among human waterborneactivities, temperature, and manatee use of KingsBay.3. To make management recommendations, if necessary,to minimize any negative impacts of humanwater-borne activities on the Crystal River manateeswhile they are using this critical winter habitat.(Document has 50 pages.)
    Description: Research Work Order no. 52
    Keywords: Conservation ; Management ; Biology ; West Indian manatee ; Trichechus manatus ; human activities ; Kings Bay ; Crystal River ; Florida
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    Comparison of cattail (Typha sp.) occurrence on a photo-interpreted map versus a satellite data map (2021)
    Florida Cooperative FIsh and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1116 | 3 | 2011-09-29 21:06:16 | 1116 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-05
    Description: A comparison between a 1985 photo-interpreted vegetation mapand a vegetation map made from classified 1987 satellite data ofthe Loxahatchee National Wildlife Refuge showed that 81% ofsamples taken in areas occupied by cattail (Typha sp.) on thephoto-interpreted map corresponded with cattail on the satellitedata map.(5 page document)
    Keywords: Biology ; Limnology ; Engineering ; Loxahatchee National Wildlife Refuge ; satellite imagery ; cattail ; Typha sp.
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    Two-dimensional finite-difference model for moving boundary hydrodynamic problems (2021)
    University of Florida, Department of Coastal and Oceanographic Engineering | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1069 | 3 | 2011-09-29 21:11:07 | 1069 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-05
    Description: To predict the hydrodynamics of lakes, estuaries and shallow seas, a two 'dimensionalnumerical model is developed using the method of fractional steps. Thegoverning equations, i.e., the vertically integrated Navier-Stokes equations of fluidmotion, are solved through three steps: advection, diffusion and propagation. Thecharacteristics method is used to solve the advection, the alternating direction implicitmethod is applied to compute the diffusion, and the conjugate gradient iterativemethod is employed to calculate the propagation. Two ways to simulatethe moving boundary problem are studied. The first method is based on the weirformulation. The second method is based on the assumption that a thin water layerexists over the entire dry region at all times. A number of analytical solutions areused to validate the model. The model is also applied to simulate the wind drivencirculation in Lake Okeechobee, Florida.(135 page document)
    Keywords: Oceanography ; Limnology ; Engineering ; hydrodynamics ; simulations ; lakes ; estuaries ; Lake Okeechobee ; Florida ; thesis
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    Categorized bibliography for a conceptual model of salt marsh management on Merritt Island, Florida (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1244 | 3 | 2011-09-29 20:55:15 | 1244 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-06
    Description: Enclosed is a bibliography of 556 published articles,technical reports, theses, dissertations, and books that form thebasis for a conceptual model of salt marsh management on MerrittIsland, Florida (Section 1). A copy of each item is available onfile at the Florida Cooperative Fish and Wildlife Research Unit,Gainesville. Some relevant proprietary items and unpublisheddrafts have not been included pending permission of the authors.We will continue to add pertinent references to our bibliographyand files. Currently, some topics are represented by very fewitems. As our synthesis develops, we will be able to indicate asubset of papers most pertinent to an understanding of theecology and management of Merritt Island salt marshes.(98 page document)
    Description: Research Work Order no. 15
    Description: Supported by: The National Aeronautics and Space Administration in cooperation with U.S. Department of the Interior Fish and Wildlife Service Cooperative Agreement No. 14-16-0009-1544
    Keywords: Conservation ; Management ; Biology ; salt grass ; Merritt Island ; Florida
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    Issues and options related to management of Silver Springs rhesus macaques (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1246 | 3 | 2011-09-29 20:55:35 | 1246 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-06
    Description: Management options for the Silver Springs free-rangingrhesus macaque population range from removal to activemaintenance of the population in situ. Selection of a managementoption is dependent upon which issues are perceived to be trueproblems. Management options are presented along with theireffectiveness in dealing with issues previously described.(31 page document)
    Description: Research Work Order no. 15
    Keywords: Conservation ; Management ; Biology ; Silver Springs ; Florida ; rhesus macaque ; Macaca mulatta ; management
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    Productivity of Florida Springs: Second annual report to Biology Branch, Office of Naval Research progress from January 1 to December 31, 1954 (2021)
    University of Florida, Gainesville, Department of Biology | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/373 | 3 | 2011-09-29 22:09:11 | 373
    Details
    Publication Date: 2021-06-29
    Description: Production measurements at different times of the year indicate a linear relationship of light intensity and overall production at about 8% of the visible light energy reaching plant level. Measurements of a coral reef at Eniwetok indicate 6%. Further evidence of breeding at all seasons but with a quantitative pulse in the seasons of maximum light indicates that the seasonal fluctuation in primary production is routed through reproduction rather than through major changes in populations. The succession of plants and anmals of the aufwuchs has been shown with glass slides and counts from Sagittaria blades. Losss of oxygen bubbles during the day and emergence of aquatic insects at night have been measured with funnels. Bell jar measurements are reported for bacterial metabolism on mud surfaces. pH determined CO2 uptake agrees with titration determinations. A few rough estimates of herbivore production have been made from caged snails, aufwuchs succession, and fish tagging. Nitrate uptake a night by aufwuchs communities has been confirmed in a circulating microcosm experiment as well as in bell jars in the springs. Distributions of oxygen and organisms have been used to criticize the saprobe stream classification system. Theoretical consideration of maximum photosynthetic rates in teh literature data indicates logarithmic rate variation inversely with organismal size just as for respiratory metabolism. Extreme pyramid shapes are thus shown for communities in which organismal size decreases up the food chain and for other communities with the same energy influx but with organismal size increasing up the food chain. Literature data is used to further demonstrate the validity of the optimum efficiency-maximum power principle for photosynthesis. Work on plants by Dr. Delle Natelson indicates essential stability of aquatic plant communities after 3 years and about 10-20% reproducibility in previous biomass estimates by Davis. Work on an animal picture of the fishery characteristics by Caldwell, Barry, and Odum is half completed. The study of aquatic insects in relationship to spring gradients by W.C. Sloan has been completed an an M.S. thesis. J. Yount has begun a study of affect of total productivity on community composition using aufwuchs organisms on glass slides placed in different current and light conditions in Silver Springs. (49pp.)
    Keywords: Ecology ; Limnology ; Silver springs ; springs ; insects ; algae ; aufwuchs ; diatoms ; productivity ; Florida ; fishes
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    Physical effects of vegetation on wind-blown sand in the coastal environments of Florida (2021)
    University of Florida Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/472 | 3 | 2020-08-24 02:58:29 | 472 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: One and two-dimensional, second order turbulence plant canopy flowmodels were developed for the purpose of estimating the effect ofcoastal vegetation on wind blown sand transport. The computer programthat solves the governing differential equations uses measured leafarea density profiles and drag coefficients for crop plants similar inshape and size to the more common coastal vegetation in Florida. (Document has 57 pages.)
    Keywords: Atmospheric Sciences ; Engineering ; Earth Sciences ; coastal vegetation ; dunes ; winds ; sediment transport
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    Laboratory experiments on cohesive soil bed fluidization by water waves (M.S. Engineering Thesis) (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/497 | 3 | 2020-08-24 03:02:42 | 497 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: The mechanism by which fluid mud is formed by water wave motion over coastal andestuarine cohesive soil beds is of evident interest in understanding and interpreting themicrofabric of flow-deposited fine sediments in shallow waters, and hence the erodibilityof muddy beds due to hydrodynamic forcing. This study investigated water wave-inducedfluidization of cohesive soil beds composed of a 50/50 (by weight) mixture of a commercialattapulgite and a kaolinite in a laboratory flume. Temporal and spatial changes of theeffective stress were measured during the course of wave action, and from these changesthe bed fluidization rate was calculated. A previously developed hydrodynamic wave-mudinteraction model of the two-layered water-mud system was employed to study the natureand the degree of wave dissipation, in terms of energy dissipation rate, during the bed fluidizationprocess. By evaluating the mud rheological properties separately, a mud viscositymodel was developed, which was then used in conjunction with the wave-mud interactionmodel to obtain an effective sheared thickness of the bed resulting from wave action. Thisthickness, considered to be a representative of the fluidized mud thickness, was comparedwith the latter obtained from pressure measurements. Also, through this wave-mud modelthe relationship between the rate of fluidization and the rate of wave energy dissipationduring fluidization was examined. In general, for a given wave frequency, a larger wave fluidized the bed at a faster rateand to a greater depth than a smaller one. Furthermore, increased bed consolidation timedecreased the rate of fluidization due to increased mud rigidity. The rate of bed fluidizationwas typically greater at the beginning of wave action and decreased with time. Eventuallythis rate approached zero, while in some cases the wave energy dissipation rate approached aconstant value, which increased with wave height. As the fluidization rate approached zero,there appeared to occur an equilibrium value of the bed elevation, and hence a fluid mudthickness, for a given wave condition. During the fluidization process the bed apparentlylost its structural integrity by loss of the effective stress through a build-up of the excesspore water pressure. After wave action ceased, the bed structure exhibited recovery bydissipation of the excess pore water pressure.Further studies will be required in which the hydrodynamic model must be improved viaa more realistic description of mud rheology and relaxation of the shallow water assumption,and better pressure data must be obtained than in the present study. Nevertheless, thisinvestigation has been instructive in demonstrating relationships between the degree of mudfluidization, wave energy dissipation and bed consolidation time, and thus offers insight intoan important mechanism by which coastal and estuarine muds are eroded by wave action. (Document has125 pages.)
    Description: Thesis, M.S., Engineering
    Keywords: Oceanography ; Engineering ; Earth Sciences ; Muds ; Rheology ; Waves
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    Demography and movements of Snail kites in Florida (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/958 | 3 | 2010-12-14 16:04:20 | 958 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: Document has 183 pages; text is non-searchable.
    Description: Prepared in cooperation with U.S. Fish & Wildlife Service (Jacksonville Ecological Services Office and South Florida Ecosystem Field Office); Everglades National Park and Big Cypress National Preserve, National Park Service; U.S. Army Corps of Engineers, Jacksonville District; U.S. Geological Survey, Florida Caribbean Science Center; South Florida Water Management District; and St. Johns River Water Management District.
    Keywords: Ecology ; Conservation ; Biology ; Snail Kites ; Florida ; demography ; Rostrhamus sociabilis
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    Crystal River National Wildlife Refuge public use survey report (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/984 | 3 | 2011-09-29 21:19:51 | 984 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: In creating a management plan that includes both the needs of the manatee and the desiresof the public, the Crystal River National Wildlife Refuge must necessarily gather together a great dealof information. This project was intended to find out more about the people who use Kings Bay, todiscaver what they know about the manatee and to d i i e r how well they understand theprotection measures as they exist today(Document has 104 pages.)
    Description: Save The Manatee Club
    Keywords: Conservation ; Management ; Biology ; West Indian manatee ; Trichechus manatus ; human activities ; Kings Bay ; Crystal River ; Florida ; survey
    Repository Name: AquaDocs
    Type: monograph
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    Feeding ecology and habitat affinities of Kemp's ridley sea turtles (Lepidochelys kempi) in the Big Bend, Florida: final report (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/957 | 3 | 2011-09-29 21:21:16 | 957 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: The goals of the NMFS/USGS ridley research in the Florida Big Bend area have been todefine patterns of occurrence, relative abundance (vis-a-vis other sea turtle species),growth rate, sex ratio, size frequency distribution, habitat use, and movement. To betterunderstand how Kemp's ridleys utilize benthic habitats we have also begun examiningtheir prey selection and preference during FY 98. (Document has 15 pages.)
    Description: Research Work Order no. 189
    Keywords: Conservation ; Ecology ; Biology ; Kemp's ridley sea turtles ; Lepidochelys kempi ; habitat ; Big Bend ; Florida ; Apalachee Bay
    Repository Name: AquaDocs
    Type: monograph
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    Biology of pelagic sea turtles: effects of marine debris (2021)
    University of Florida, Florida Cooperative Fish and Wildlife Research Unit | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/960 | 3 | 2011-09-29 21:20:55 | 960 | Florida Cooperative Fish and Wildlife Research Unit
    Details
    Publication Date: 2021-07-04
    Description: Objectives:1. Quantify the sub-lethal effect of debris ingestion (nutrient dilution) on nutrient gain2. Model sub-lethal effects of debris ingestion on nutrient intake and growth3. Evaluation of stress from entanglement on the loggerhead sea turtle4. Movement patterns and behavior of pelagic-stage loggerheads in the eastern Atlantic5. Document the genetic relationships of pelagic-stage loggerheads in the easternAtlantic with rookeries in the southeast US (Document has 14 pages; lists publications resulting from research)
    Description: Research Work Order no. 118
    Keywords: Conservation ; Biology ; Sea turtles ; pollution ; marine debris
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    Type: monograph
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    Relations of environmental contaminants, algal toxins, and diet with the reproductive success of American alligators on Florida Lakes (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1076 | 3 | 2011-09-29 21:11:49 | 1076 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: (113 page document)
    Description: Research Work Order no. 193
    Keywords: Management ; Conservation ; Pollution ; Biology ; Limnology ; endocrine disruption ; American alligator ; Florida ; reproduction
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    Type: monograph
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    Avon Park Air Force Range project: distribution and abundance of sensitive wildlife species at Avone Park Force Range (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1072 | 3 | 2011-09-29 21:11:35 | 1072 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: Executive Summary. We surveyed for seven species ofsensitve wildlife (Florida gopher frogs,gopher tortoise, eastern indigo snake, eastern diamondback rattlesnake, Florida mouse, Floridaroundtail muskrat, Sherman's fox squirrel) between October 1996 and May 1998 at Avon ParkAir Force Range (APR). The presence of 87 other species ofamphibians, reptiles, and mammalsalso were detected. Selected species ofbirds were noted, particularly if they were found dead onAPR roads. We recorded nine new county records ofamphibians and reptiles from Polk andHighlands counties, based on range maps presented in Ashton and Ashton (1981, 1985, 1988).We discuss a biogeographic model based on the vertebrates recorded from APR, the Lake WalesRidge, and the low dune region along SR 64 to explain some of the distributional anomaliesassociated with the Bombing Range Ridge and vicinity. (199 page document)
    Description: Research Work Order no. 169
    Keywords: Conservation ; Biology ; Avon Park Air Force Range ; Florida ; species survey ; military bases
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    Incubation temperatures and sex ratios of loggerhead sea turtles (Caretta caretta) hatched on Northwest Florida beaches (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1097 | 3 | 2011-09-29 21:08:31 | 1097 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: The purpose ofthis project was to collect sand and nest temperature information from loggerhead nestingbeaches and in situ nests in Northwest Florida, perform sex ratio analysis on eggs collected from those nests, anddescribe general sand characteristics and variations in weather conditions within the experimental area. Thisinformation was to be used to determine what variations in sand temperatures and loggerhead nest incubationtemperatures exist across Northwest Florida, evaluate differences in sand characteristics and weather conditionsthroughout the Florida Panhandle and how these differences relate to variations in incubation temperatures, anddetermine the sex ratios of loggerhead sea turtles produced on Northwest Florida beaches.(3 page document)
    Description: Research Work Order no. 197A
    Description: Project final report
    Keywords: Conservation ; Biology ; St. George Island ; St. Joseph peninsula ; Walton County ; Perdido Key ; Florida ; marine turtles ; nesting ; Loggerhead turtles ; incubation ; sex ratios ; Caretta caretta
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    Dry Down Tolerance of the Florida Apple Snail (Pomacea paludosa, Say): Effects of Age and Season (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1065 | 3 | 2011-09-29 21:10:33 | 1065 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: This Research Work Order includes three experiments to look at apple snail dry downsurvival as a function of age and season. Two of those experiments have been completedand the third one will likely run through February (depending on snail survival). The thirdexperiment began on September 2 1, 1998. The detailed results of Experiment # 1 and #2were reported in the update report of 10/15/98. The overall survival for Experiments #I and#2 are included herein for comparison with Experiment #3. (7 page document)
    Description: Research Work Order no. 182
    Keywords: Biology ; Limnology ; Florida Apple Snail ; Pomacea paludosa ; Say ; Florida ; dry down ; water levels
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    Winter Movements and Use of Warm-water Refugia by Radio-tagged West Indian Manatees Along the Atlantic Coast of the United States (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1068 | 3 | 2011-09-29 21:11:03 | 1068 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: The West Indian manatee's metabolic physiology constrains it to subtropical and tropicalregions. In waters of the United States, a manatee's ability to find reliable warm-water refugiaduring winter cold periods is critical to its survival. This report documents how radio-taggedmanatees used a network of 14 industrial and 3 "natural" warm-water sites along the east coastof Florida and Georgia duringwinter. Most industrial sites were powerplant discharges but alsoincluded pulp mill effluents. TheU. S. Geological Survey's SireniaProject tracked 71 manateesover 12 winter seasons (1986-1998) using field-based VHF radio-telemetry and Argos satellite based telemetry.Thirty-seven individuals weretracked over periodsofat least 100daysbetween November and March of a given winter, manyfor multiple years. Presence at a warmwaterrefugewasdefinedas a location occurring within 200m (for a VHF field observation) orwithin 1 km (for a satellite-determined location) ofthe site. (133 page document)
    Description: Sirenia Project, Florida Caribbean Science Center, U.S. Geological Survey
    Description: Final Report Prepared for: Florida Power and Light Company Environmental Services Dept. 700 Universe Blvd. Juno Beach, FL 33408 and U.S. Geological Survey, Florida Caribbean Science Center, Sirenia Project 412 NE 16th Ave., Rm. 250 Gainesville, FL 32601
    Keywords: Biology ; Limnology ; Information Management ; West Indian Manatee ; Trichechus manatus ; Florida ; tracking ; water temperature ; movements
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    Research objectives to support the South Florida Ecosystem Restoration initiative-Water Conservation Areas, Lake Okeechobee, and the East/West waterways (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1087 | 3 | 2011-09-29 21:10:01 | 1087 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: The South Florida Ecosystem encompasses an area of approximately 28,000 km2 comprising at least 11major physiographic provinces, including the Kissimmee River Valley, Lake Okeechobee, the Immokalee Rise, theBig Cypress, the Everglades, Florida Bay, the Atlantic Coastal Ridge, Biscayne Bay, the Florida Keys, the FloridaReef Tract, and nearshore coastal waters. South Florida is a heterogeneous system of wetlands, uplands, coastalareas, and marine areas, dominated by the watersheds of the Kissimmee River, Lake Okeechobee, and theEverglades.Prior to drainage, wetlands dominated the ecosystem, covering most of central and southern Florida. Thelandscapes included swamp forests; sawgrass plains; mosaics of sawgrass, tree islands, and ponds; marl-formingprairies dominated by periphyton; wet prairies dominated by Eleocharis and Nymphaea; freshwater marshes;saltwater marshes; cypress strands; and a vast lake-river system draining into Lake Okeechobee. Elevated areasthat did not flood supported pine flatwoods, pine rocklands, scrub, tropical hardwood hammocks, and xerichammocks dominated by oaks. The natural seascapes of South Florida consisted of riverine and fringe mangroveforests; beaches and dunes; seagrass beds; intertidal flats; mud banks; hardbottom communities; coral reefs; andopen, inshore shallows. All these habitats were interconnected on an extremely low topographic gradient (2.8cm/km) with elevations ranging from about 6 m at Lake Okeechobee to below sea level at Florida Bay.The Science SUb-Group (1993) described the defining characteristics of the South Florida Ecosystem and the problems that resulted from hydrologic alterations and other anthropogenic changes.Restoration objectives were proposed for each sub-regionand the region as a whole.The overall goal of the restoration effort is to restore a sustainable South Florida Ecosystem that preservesthe valued properties of South Florida's natural systems and supports productive agriculture-, fishery-, and tourist.based economies and a high quality of urban life. Sustainability means high natural productivity, human andecosystem health, and resiliency to climatic extremes and catastrophic events. It also means accommodation ofneeds of human systems-flood control, irrigation, and drinking water supply.SCOPEThis section addresses the entire ecosystem, cutting across the artificial boundaries of designatedsubregions, as well as geopolitical and geomorphological boundaries, to present the broader issues of deVelopingan interagency and interdisciplinary ecosystem-based science program to support South Florida restoration. Herewe discuss the general premise and the general approach, with brief discussions on monitoring, modeling, andspecial studies. The latter two topics are covered in greater detail in other sections. (PDF contains 119 pages)
    Description: Research Work Order no. 139
    Description: Science sub-meeting, September 27, 1994
    Keywords: Management ; Limnology ; Planning ; South Florida Ecosystem Restoration Initiative ; objectives
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    Conceptual model of salt marsh management on Merritt Island National Wildlife Refuge, Florida: final report (2021)
    Florida Cooperative Fish and Wildlife Research Unit , University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1245 | 3 | 2011-09-29 20:55:33 | 1245 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-06
    Description: Diking and holding water on salt marshes ("impounding" the marsh) is amanagement technique used on Merritt Island National Wildlife Refuge(MINWR) and elsewhere in the Southeast to: a) prevent the reproduction ofsaltmarsh mosquitos, and b) attract wintertering waterfowl and other marsh,shore, and wading birds. Because of concern that diking and holding watermay interfere with the production of estuarine fish and shellfish,impoundment managers are being asked to consider altering managementprotocol to reduce or eliminate any such negative influence. How to changeprotocol and preserve effective mosquito control and wildlife management isa decision of great complexity because: a) the relationships betweenestuarine organisms and the fringing salt marshes at the land-water interfaceare complex, and b) impounded marshes are currently good habitat for avariety of species of fish and wildlife. Most data collection by scientistsand managers in the area has not been focused on this particularproblem. Furthermore, collection of needed data may not be possible beforechanges in protocol are demanded. Therefore, the purpose of this documentis two-fold: 1) to suggest management alternatives, given existing information,and 2) to help identify research needs that have a high probabilityof leading to improved simultaneous management of mosquitos, waterfowl,other wildlife, freshwater fish, and estuarine fish and shellfish on themarshland of the Merritt Island National Wildlife Refuge. (92 page document)
    Description: Research Work Order no. 15
    Description: Supported by: The National Aeronautics and Space Administration in cooperation with U.S. Department of the Interior Fish and Wildlife Service Cooperative Agreement No. 14-16-0009-1544
    Keywords: Conservation ; Management ; Biology ; salt grass ; Merritt Island ; Florida
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    Baseline aquatic faunal survey of Avon Park Air Force Range, Florida: fishes, mollusks, and crayfishes (2021)
    Florida Caribbean Science Center, U.S. Geological Survey | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1288 | 3 | 2011-09-29 20:52:49 | 1288
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    Publication Date: 2021-07-07
    Description: This report presents results of the first systematic study of the diversity anddistribution of fishes and mussels in Avon Park Air Force Range (APR). We alsoprovide information on crayfishes and aquatic snails taken during our fish and musselsampling activities. Our surveys documented the presence of 46 species of fishes (43native and 3 nonindigenous), 9 species of mussels (including 8 native and 1nonindigenous species), 5 species of aquatic snails, and two crayfish species. (347 page document)
    Description: Research Work Order no. 157
    Keywords: Ecology ; Conservation ; Planning ; Avon Park Air Force Base ; aquatic species ; mollusks ; crayfish ; fish
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