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  • Limnology  (16)
  • General Chemistry
  • Cell & Developmental Biology
  • Environment Agency South West Region
  • 1
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 52
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  • 2
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 31
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  • 3
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 41
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  • 4
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    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)
    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
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 37
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  • 5
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    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)
    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
    Format: application/pdf
    Format: 26
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  • 6
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 23
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  • 7
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 38
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  • 8
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    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)
    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
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 37
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  • 9
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 39
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  • 10
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    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)
    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
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 42
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  • 11
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    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)
    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
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 23
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  • 12
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    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)
    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
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 34
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  • 13
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    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)
    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
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 25
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  • 14
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 38
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  • 15
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    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)
    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
    Format: application/pdf
    Format: application/pdf
    Format: 38
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  • 16
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    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)
    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
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 33
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