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  • Florida  (101)
  • Oceanography  (98)
  • Engineering  (26)
  • Physics
  • conferences
  • St. Petersburg, FL  (87)
  • Training Department, Southeast Asian Fisheries Development Center  (26)
  • Florida Sea Grant College Program  (23)
  • University of Florida, Coastal and Oceanographic Engineering Department  (22)
  • 2020-2022  (158)
  • 1990-1994
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  • 1
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    Mercury levels in marine and estuarine fishes of Florida (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26026 | 20978 | 2018-10-15 00:08:23 | 26026 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Because mercury, a toxic metallic element, has been shown to bioaccumulate in fish tissue, humans consuming fish can potentially consume significant levels of mercury. Limited information is available on mercury levels in Florida’s marine and estuarine fish species. We examined the concentration of mercury in 2,832 fish representing 81 species from 32 families. Species represented all major trophic groups, from primary consumers to apex predators. Mercury concentrations in individual fish varied greatly within and among species. However, the majority of individuals we examined contained low concentrations. Species with very low mean or median mercury concentrations tended to be planktivores, detritivores, species that feed on invertebrates, or species that feed on benthic invertebrates and small fish. Apex predators typically had the highest mercury concentrations. In most species, mercury concentration increased as fish size increased. Sampling in Florida waters is continuing, and future research relating mercury levels to fish age, feeding ecology, and the trophic structure of Florida’s marine and estuarine ecosystems will help us to further identify important sources of variation.
    Keywords: Biology ; Fisheries ; Pollution ; mercury ; fishes ; Florida
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 35
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  • 2
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    Use of least-cost pathways to identify key road segments for Florida panther conservation (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26076 | 704 | 2018-11-06 20:06:47 | 26076 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Roads fragment wildlife habitat, and the vehicles that travel them are often a source of wildlife mortality. Often, wildlife populations can absorb this unnatural mortality without suffering declines, but for endangered large mammals like the Florida panther, if their remaining habitat is fragmented or their mortality is increased in other ways (e.g., roadkill), their existence may be imperiled. A landscape approach is critical to identifying key road segments that are important for maintaining unimpeded panther movement. Least-cost pathway (LCP) modeling considers elements within the landscape that facilitate movement and minimize impediments when an animal travels from one area to another. Our analyses identified the most likely LCPs for panthers to use in moving between six major use areas in southwest Florida, and we identified 16 key road segments where these LCPs intersected improved roadways. These intersections correlated well with documented panther roadkill locations and overlapped fixed-kernel panther home ranges. One of our LCPs coursed through an area dominated by citrus groves; this area is strategically located between large blocks of panther habitat, which explains the cluster of panther roadkills at this location. Our analyses supported the habitat stewardship areas of the 2002 Collier County Rural Lands Stewardship Plan; however, we recommend additional protection for the pathway north of County Road 858 and west of State Road 29. We believe that by using a landscape approach, panthers and their habitat can be protected as current road networks are improved, new roads are constructed, and existing panther habitat is altered or disturbed. We did not attempt to map all possible panther–road conflict areas; however, this technique could be applied to other areas, such as possible panther reintroduction areas, as needs arise.
    Keywords: Conservation ; Florida panther ; Puma concolor coryi ; conservation ; endangered species ; Florida ; Everglades National Park
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 44
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  • 3
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    Distribution of dinoflagellate cysts in the surface sediment of the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26350 | 23782 | 2019-03-22 06:25:19 | 26350 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: To obtain more information on the distribution of dinoflagellate cysts in Thai and Malaysian waters, the surface sediment samples of 48 stations in the Gulf of Thailand and the east coast of Peninsular Malaysia were collected by M.V. SEAFDEC during the research cruise in September 1995 and repeated again in April 1996. Cysts of 20 species belonging to Goniolacoid, Tuberculodinioid and Peridinioid were found in the surface sediments collected from both cruises. Spiniferites spp. (=Gonyaulax spp.) were the dominant cyst in Thai and Malaysian waters. No cysts of harmful species were observed during this study.
    Keywords: Fisheries ; Oceanography ; Dominant species ; Cysts ; Sediments ; Benthos ; Gonyaulax ; Dinoflagellata ; Spiniferites ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 294-309
    Format: 16
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  • 4
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    Proceedings of the Second Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam Waters, 14-15 December 1998, Kuala Lumpur, Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26397 | 23782 | 2019-04-11 08:14:12 | 26397 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Due to gross over-exploitation and a paucity of adequate information on fishery oceanographic, environmental and biological conditions that sustain the fisheries of the South China Seas region, the fisheries have become greatly impoverished. The deficiency in scientific intelligence has also circumscribed all attempts at substantive and tangible planning or management of fisheries throughout the region. The NAGA Oceanographic Expedition of 1959-1961, organized jointly by the United States of America, The Kingdom of Thailand and the erstwhile Republic of Vietnam, achieved pioneering oceanographic work in the Gulf of Thailand and the South China Seas. This invaluable scientific data acquisition was not pursued for a number of reasons, and thus, a holistic and dependable profile of oceanographic conditions and their seasonal variations and patterns failed to develop. Perceiving the vital importance and the deficiency of fundamental information and data for fisheries planning and management, the SEAFDEC Training Department (TD) and the Marine Fisheries Resources Development and Management Department (MFRDMD), jointly launched an inter-Department Collaborative Research program in 1995, to evaluate the fisheries resources of the South china Sea as a basal objective in the development of sustainable fisheries.
    Keywords: Fisheries ; Oceanography ; Oceanography ; Oceanographic surveys ; Primary production ; Check lists ; Abundance ; Biomass
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 370
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  • 5
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    Dissolved oxygen and carbonate-carbon dioxide in the sea water of the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26321 | 23782 | 2019-03-27 07:09:15 | 26321 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Dissolved oxygen and carbonate system in seawater in the Gulf of Thailand and the east coast of Peninsular Malaysian September 1995 and April-May 1996 were determined. It was found that surface water was well in equilibrium with the atmosphere. The sub-pycnocline water in the Gulf had the chemistry that was distinctly different from the mixed layer as well as from sub-pycnocline water in the South China Sea near the mouth of the Gulf, even with the same depth. There were some evidences that intermediate water in the South China Sea might flow into the Gulf along the central axis and the coast of Vietnam and Cambodia, and exited the Gulf along the Thai-Malay Peninsular coast. The chemistry of deep water in the South China Sea off the coast of Western Malaysia varied its chemistry by a great deal among seasons which might be due to the prevailing monsoon. Seawater in the Gulf of Thailand and South China Sea was supersaturated with respected to the mineral calcite.
    Keywords: Chemistry ; Oceanography ; Carbonates ; Calcite ; Chemical oceanography ; Carbon dioxide ; Dissolved oxygen ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 6-11
    Format: 6
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  • 6
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    Some physical and chemical characteristics of bottom sediments in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26322 | 23782 | 2019-03-28 08:23:35 | 26322 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Investigations on horizontal and vertical distribution in levels of total organic matter contents (TOM), acid volatile sulfides contents (AVS), and water contents (WC) of bottom sediments from the eastern and western parts of the Gulf of Thailand and the eastern part of the Peninsular Malaysia have been carried out during 5-28 September 1995 and 24 April to 17 May 1996 by M.V. SEAFDEC. The overall results indicated comparatively low amount of organic matters and sulfides deposited in the sediments. Considering on the vertical profiles, coupled efforts of low rate of sedimentation of the organic matters and high rate of their decomposition should play an important role providing fast diagenesis of their organic substances. Nevertheless, the particulate matters which had settled onto the sea bed and formed the sediments can be remarkably observed to accumulate in two major zones in the Gulf of Thailand; one in the central part of the upper gulf (around Station 7) and another one in the western part of the gulf, near Samui Island (around Station 23). Such an accumulation pattern was considered to be directly controlled by the bottom topography and current effort. The accumulation of organic materials there also implied the mode of biological fishery resources. High abundant of organisms in the benthic community should be observed. Moreover, according to biogeochemical interaction between the sediment-water interface, phytoplankton production in the overlying water column should be enhanced and, consequently, a congregation of organisms in the upper trophic levels especially those of fish species were accordingly expected. Future assessment for development of the fishery resources in the Gulf of Thailand and the eastern part of Peninsular Malaysia has been discussed.
    Keywords: Fisheries ; Oceanography ; Biogeochemical cycle ; Organic matter ; Phytoplankton ; Sedimentation ; Trophic levels ; Sediment analysis ; Vertical profiles ; Benthos ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 12-33
    Format: 22
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  • 7
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    Polynuclear aromatic hydrocarbon (PAH) and total aliphatic hydrocarbon (TAH) in the bottom sediment of the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26327 | 23782 | 2019-03-28 08:37:18 | 26327 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Surface sediment (0-2cm) from 23 stations in the Gulf of Thailand and the South China Sea were analysed for Polynuclear Aromatic Hydrocarbon (PAH), and Total Aliphatic Hydrocarbon (TAH). PAH was found to be in the range between 0.7047 mmg/g dry wt. (Stn 70) to 26.6066 mmg/g dry wt. (Stn 52) to 25.5314 mmg/g dry wt. (Stn 41). Long chain aliphatic hydrocarbon (n〉20) were found to be dominant species in the most of the sample.
    Keywords: Oceanography ; Pollution ; Saturated hydrocarbons ; Aromatic hydrocarbons ; Sediment analysis ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 100-104
    Format: 5
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  • 8
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    Distribution of macrobenthos in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26349 | 23782 | 2019-03-22 06:20:51 | 26349 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: A study on the macrobenthos profile was conducted using the research vessel MV SEAFDEC in almost all parts of the Gulf of Thailand and the East Coast of Peninsular Malaysia. A total of 44 stations were located within the Gulf of Thailand and 37 within that of East Coast of Peninsular Malaysia. Two cruises were carried out during the pre-and post-north-east monsoon. Macrobenthos showed greater density in Malaysian waters during the pre-monsoon period with 2500 individuals (at an average 67.6 individuals/m2) compared to the Gulf of Thailand which showed 860 individuals (average 19.5 individuals/m2). However, sampling after the monsoon has indicated quite the reverse, with 2680 individuals (60.9 individuals/m2) found in the Gulf of Thailand compared to 620 individuals (16.8 individuals/m2) in the East Coast of Peninsular Malaysia. All samples from both cruises were dominated by polychaete worms, followed by crustacea. Other groups such as echinoderms, molluscs, nemertians and sipunculids were also observed in lesser quantities. In terms of diversity, the Gulf of Thailand showed less families/taxa before the monsoon (with 20 families) than after the monsoon (with 35 families). The reverse holds true for the east coast of Peninsular Malaysia when 33 families were uncovered before the monsoon compared to 26 families after the monsoon. Among the dominant families/taxa were the polychaetes Cirratulidae, Orbiniidae, Eunicidae and Maldanidae; caridean shrimps and ophiuroids (brittle star).
    Keywords: Fisheries ; Oceanography ; Geographical distribution ; Species diversity ; Population density ; Zoobenthos ; Polychaeta ; Crustacea ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 285-293
    Format: 9
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  • 9
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    Movements of radio-tagged manatees in Tampa Bay and along Florida’s west coast, 1991–1996 (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26023 | 20978 | 2018-10-15 00:08:58 | 26023 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Manatees wintering in Tampa Bay, Florida, were captured and fitted with satellite- and radio-telemetry equipment during a research project conducted from 1991 to 1996. Forty-four manatees were tagged after their capture in Tampa Bay; an additional 15 animals were tagged at other west coast locations. Locations of individual animals were estimated via satellite up to eight times per day, and observations of manatee locations were made in the field one or more times per week. These data were entered into a relational database and converted to a format accessible as points within a geographic information system (GIS). Seasonal densities of satellite locations were mapped for 33 manatees tagged in Tampa Bay. Within the bay, manatees aggregated at or near warm-water locations during winter. In other seasons, manatee density was highest in areas that had abundant sea grass and were close to fresh-water sources. Sequential data points for individual manatees were transformed into probable travel routes by using a GIS-based cost-path analysis. A map was created for each tagged manatee depicting estimated travel paths, and detailed descriptive information summarized major movements, tagging history, and physical characteristics. The travel patterns of male manatees were characterized by almost continual movement, often along predictable routes or circuits. Most males larger than 265 cm ranged 100 km or more away from Tampa Bay during non-winter months whereas smaller males remained in or near the bay. As males matured, their travel ranges appeared to expand. Female manatees used two general movement patterns. Small females and females with calves would use specific areas within a day’s travel of the warm-water sources for extended periods before moving to similar nearby areas for protracted stays. Females without calves and females longer than 330 cm with calves added long migrations between areas chosen for foraging.The ranges of some females extended south to Charlotte Harbor,the Caloosahatchee River,and the Everglades. Two tagged females traveled from Florida’s west coast to the east coast: one traveled south around the peninsula, and the other apparently moved east through Lake Okeechobee and the lock system.
    Keywords: Biology ; Conservation ; Manatees ; Trichechus manatus latirostris ; Tampa Bay ; Florida ; travel patterns ; migration
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 156
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  • 10
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    Resource guide for public health response to harmful algal blooms in Florida: based on recommendations of the Florida Harmful Algal Bloom Task Force Public Health Technical Panel (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26035 | 425 | 2018-11-06 20:18:25 | 26035 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Florida Department of Health
    Description: Florida Fish and Wildlife Conservation Commission
    Description: Florida Department of Health Grant Award, U50-CCU423360-01
    Description: U.S. Centers for Disease Control and Prevention
    Keywords: Conservation ; Health ; Pollution ; Harmful algal blooms ; HAB ; Karenia brevis ; Cyanobacteria ; Florida
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 132
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  • 11
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    Temporal changes in the abundance of macrobenthos in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26345 | 23782 | 2019-03-22 05:43:06 | 26345 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The ecology of macrobenthic fauna in the Gulf of Thailand and the east coast of Peninsular Malaysia was studied for two periods of time at pre NE monsoon (4 Sep.- 4 Oct. 1995) and post NE monsoon (23 Apr. -23 May, 1996). It was found that the overall abundance of macrobenthic fauna presented the highest density at station 52 (920 ind. m-2). Polychaete was the dominant group in the benthic communities. The result of the survey of the ecology of benthic fauna shows that the fauna density increases with a decreasing water depth. Polychaete, Crustacea and Echinoderm groups displayed a marked change in density with the during period of the monsoon and the diversity index showed different patterns during the pre and post NE monsoon periods.
    Keywords: Fisheries ; Oceanography ; Species diversity ; Abundance ; Population density ; Zoobenthos ; Monsoons ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 156-171
    Format: 16
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  • 12
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    Numerical simulations of the net current in the gulf of Thailand under different monsoon regimes (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26324 | 23782 | 2019-03-27 08:48:29 | 26324 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Net circulation in the three layers in the Gulf of Thailand 0-10 m, 10-40 m and 〉40 m were simulated by a hydrological model using tri-monthly average of observed temperature, salinity, depth and wind. Prevailing monsoon was an important factor controlling current speed and direction of water above the pycnocline (0-40 m). The water in the upper 10 m flew from the South China Sea during the Northeast Monsoon and opposite during the Southwest Monsoon. The water in the near surface layer in all simulations was replenished mainly by the opposite flow in the mid-depth layer and only slightly from the deep, nutrient enriched, water below 40 m. The true circulation gyre could not be seen in our simulations but different degrees of eddies and meanders were evident in almost all runs. These features could play very important roles in the distribution and dispersion of dissolved, particulate and biological species, including pollution and larvae, and deserved more in depth studies in the future.
    Keywords: Oceanography ; Water currents ; Water circulation ; Monsoons ; South China Sea ; Gulf of Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 54-72
    Format: 19
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  • 13
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    Biogeochemical implications of dissolved trace metal concentration and distribution in the South China Sea, Area 1: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26326 | 23782 | 2019-03-28 08:33:06 | 26326 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Dissolved cadmium, copper, iron, lead and nickel in seawater at different depths were analyzed using the cobalt-APDC coprecipitation technique. The concentrations found were low and within the range found in natural seawater elsewhere. Terrestrial sources, especially near the head of the Gulf of Thailand and the Nakorn Sri Thammarat-Songkhla area on the Thai-Malay Peninsular, were clearly observed especially during the high runoff season. External input and horizontal dispersion dominated over internal recycling and removal in controlling concentration and distribution of iron and copper but it was the opposite for cadmium, nickel and lead where biological removal near surface and bottom regeneration might explain the nutrient type vertical profiles of these elements.
    Keywords: Oceanography ; Biochemistry ; Trace metals ; Vertical profiles ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 86-99
    Format: 14
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  • 14
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    Microplankton (including dinoflagellate and foraminifera) in the South China Sea, Area I: Gulf of Thailand and Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26351 | 23782 | 2019-03-22 06:50:38 | 26351 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Joint collaborative research surveys in the Gulf of Thailand and the South China Sea around the east coast of Peninsular Malaysia during the pre northeast monsoon (4 September - 4 October, 1995) and the post northeast monsoon (24 April - 17 May, 1996) periods were carried out on board the MV SEAFDEC. The microplankton from the sampling stations consisted of more than 205 taxa consisting predominantly of blue green algae (2 species), diatoms (〉 120 species), dinoflagellates (〉 80 species) and microzooplankton (〉 30 groups). The dominant diatom species comprised of Chaetoceros lorenzianum, C. coastatum, Thalassionema frauenfeldii, Skeletonema costatum, Pleurosigma elongatum, Bacteriastrum comosun, Bacillaria paxillifera, Coscinodiscus jonesianus and Rhizosolenia calcar-avis. The genera Chaetoceros, Rhizosolenia, Coscinodiscus, Bacteriastrum and Ceratium were found to contain a wide range of species. Skeletonema bloom (1.12 x 106/m3; 47% of the total cell count) occurred around the Johore waters of the South China Sea. Dinoflagellate was also present during the premonsoon period, especially in offshore waters of the Gulf of Thailand and Terengganu nearshore waters of the South China Sea. The microzooplankton consisted of more than 30 species dominated by copepod nauplii while the foraminifera consisted mainly of the Globigerina species. The diversity index (H) and evenness index (J) values were usually high at stations near to the coast.
    Keywords: Fisheries ; Oceanography ; Dominant species ; Species diversity ; Plankton ; Foraminifera ; Bacillariophyta ; Dinoflagellata ; Cybiosarda elegans ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 310-335
    Format: 26
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  • 15
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    Geostrophic current, divergence and convergence in the South China Sea, Area II: Sabah, Sarawak and Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26399 | 23782 | 2019-04-10 08:29:25 | 26399 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Current and circulation patterns for the area where water depth exceeded 500 m were calculated from geostrophic balance. Divergence and convergence inferred from horizontal circulation matched quite well with the observed vertical migration of the pycnocline, i.e. an indication of upwelling and downwelling. The spatial circulation pattern for July-August 1996 was quite different from that for May 1997, despite a generally similar prevailing wind. Eddies and meanders were the main features causing the difference. Interpretation of chemical and biological data of the area should take into consideration these local and sporadic physical phenomena.
    Keywords: Oceanography ; Ocean currents ; Geostrophic flow ; Convergence ; Ocean circulation ; Divergence ; Current observations ; South China Sea ; Malaysia ; Sarawak ; Borneo ; Sabah ; Indonesia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 23-31
    Format: 9
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  • 16
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    Sedimentological characteristics of sediments of the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26402 | 23782 | 2019-04-11 06:32:00 | 26402 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Surficial investigation of bottom sediments was conducted within the waters off the coast of Sabah, Sarawak and Brunei Darussalam. Two sampling of bottom sediments were conducted, one before (September 1996) and one after (April 1997) the Northeast monsoon period, which normally lasts from November to February annually. During the pre-monsoon cruise, fifty-one samples were collected while 52 samples were collected during the post-monsoon exercise. The collected samples were analysed for their sedimentological characteristics of mean, sorting, skewness and kurtosis. Analyses revealed that the post-monsoon sediments are finer, better sorted in arrangement, more symmetrical and less peaked than the pre-monsoon sediments. Deeper water sediment shows the same characteristics as described above when compared to shallow water sediments. In general, the near-shore sediments are coarsest, more poorly sorted, more positively skewed and most peaked in characteristics when compared to the mid-shore and off-shore sediments.
    Keywords: Oceanography ; Sediment sampling ; Sediment properties ; Sedimentology ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 95-110
    Format: 16
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  • 17
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    Distribution and composition of photosynthetic pigments in the South China Sea, Area II: Sabah, Sarawak and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26406 | 23782 | 2019-04-11 06:59:05 | 26406 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Depth integrated biomass of phytoplankton in the southern part of the South China Sea off Sarawak, Brunei Darussalam and Sabah in July 1996 and May 1997 was represented by in situ fluorescence. The total biomass in the study area was not much different between the 2 surveys. However, the spatial distribution of biomass clearly showed a unique pattern for each cruise. In overall, the local biomass per unit area did not correlate strongly with surface mixed layer thickness and sea surface temperature, two indicators of upwelling used in this study. Yet, anomalously high biomass of phytoplankton found in the vicinity of Stations 37 and 38 for both survey periods could be partially related by upwelling nearby.
    Keywords: Oceanography ; Upwelling ; Photosynthetic pigments ; Phytoplankton ; Biomass ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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  • 18
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    Species composition and diversity of fishes in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26412 | 23782 | 2019-04-10 07:50:47 | 26412 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The collaborative research on species composition and diversity of fishes in the Sabah and Sarawak waters was carried out by using otter-board trawling, through K.K. Manchong, including taxonomic survey for commercial coastal fishes landed in the markets of Sarikei, Bintulu, Miri, Labuan and Kota Kinabalu. Totally 518 species from 24 orders and 108 families were obtained. Hundred and three economic species were obtained from trawling survey and 106 species from the markets. The station point at St. 33 and 48 is the highest species richness, 69 and 70 species found. The highest CPUE were obtained at St. 44 and 48 (196 and 144 kg). Demersal species form main composition of the catches with the 9 dominant economic species. This trawling survey obtained few amount of 37 pelagic species. This survey also found the third record of Hapalogenys analis and Pomadasys auritus from the Southeast Asian waters.
    Keywords: Fisheries ; Oceanography ; Marine fish ; Catch composition ; Trawling ; Fishery surveys ; Species diversity ; Commercial species ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam ; Hapalogenys analis ; Pomadasys auritus
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  • 19
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    Nutrient diagenesis in sediments of the South China Sea, Area II: Sabah, Sarawak, and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26403 | 23782 | 2019-04-11 06:41:16 | 26403 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Study on nutrient diagenesis and physico-chemical characteristics of bottom sediments of the Sabah, Sarawak and Brunei Darussalam waters had been carried out under the ongoing SEAFDEC Collaborative Research Project. The results indicated that organically enriched offshore sediments consisted high levels of pore water nitrate and phosphate concentrations. For the whole study area, the levels of nitrate and phosphate concentrations in pore water were in the ranges of 0.05 to 77.12 µg at NO3--N/L and 0.07 to 13.13 µg at PO43--P/L, respectively. Upward diffusive fluxes of pore water nitrate widely changed in stations. At the nearshore area, the fluxes of pore water nitrate had an average of 26.5 mg at NO3--N/m2/d and were about one order of magnitude higher than those of phopsphate. However, phosphate upward fluxes were apparently high at deep areas off Sabah. Pore water ammonium concentrations were commonly very low but tended to be more accumulated at nearshore organically enriched areas. The ammonium concentrations for the whole study area ranged from non-detected level to 81.76 µg at N/L. The nearshore stations showed very high upward fluxes of ammonium, which were nearly 10 times higher than those of nitrate and phosphate. Sedimentary organic levels were comparatively high in two distinct regions; (I) a shallow nearshore region of Sarawak, and (II) a deep offshore region of Sabah and Brunei Darussalam. The sources of organic materials settled in Regions (I) and (II) were suggested to be derived from different origins. The Northeast monsoon can somewhat enhance organic accumulation in the nearshore region. Overall our results obtained from this study had been used to characterize the bottom sediments into three distinct regions and discussed for further fishery resource development and management.
    Keywords: Oceanography ; Sediment chemistry ; Phosphates ; Nitrates ; Sediment properties ; Biogeochemical cycle ; Fishery oceanography ; Nutrients (mineral) ; Diagenesis ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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    Format: application/pdf
    Format: 111-128
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  • 20
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    Trace metals in surface sediment of the South China Sea, Area II: Sarawak, Sabah and Brunei (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26405 | 23782 | 2019-04-11 06:55:23 | 26405 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The trace metals composition of surface sediment of the South China Sea off Sarawak, Sabah and Brunei were measured. Total metal concentrations in the 63 µm fraction are reported in this study. For the pre-monsoon cruise, the metal concentrations ranged between 1.01 – 13.0 µgg-1 Pb, 8.28 – 99.8 µgg-1 Cu, 27.8 – 137.0 µgg-1 Zn, 10.1 – 75.7 µgg-1 Cr, 175 – 1166 µgg-1 Mn, 0.83 – 4.57% and Fe 0.16 – 2.25%. The range of metal concentrations measured in the post-monsoon cruise varied between 1.63 – 18.9 µgg-1 Pb, 7.52 – 38.0 µgg-1 Cu , 14.4 – 105 µgg-1 Zn, 19.6 – 87.6 µgg-1 Cr, 157– 1890 µgg-1 Mn, 1.37 – 9.83 % Al and 0.51 – 4.47 % Fe. The distribution of metals in the sediment showed different patterns between the pre-monsoon and the post-monsoon periods. The Rajang River seems to be one of the major factors affecting the distribution of metals in the seabed off Sarawak.
    Keywords: Oceanography ; Sediment pollution ; Pollution monitoring ; Industrial wastes ; Heavy metals ; Pollution dispersion ; River discharge ; Trace metals ; Monsoons ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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    Format: application/pdf
    Format: 146-155
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  • 21
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    Ortho-phosphate in the sea water of the South China Sea. Area II: Sabah, Sarawak and Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26400 | 23782 | 2019-04-10 08:34:23 | 26400 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The distribution of ortho-phosphate in the South China Sea off Sarawak, Sabah and Brunei Darussalam waters was studied in the SEAFDEC Interdepartmental Collaborative Research Survey: Area II. The samples were collected by M.V. SEAFDEC on 8 July to 3 August 1996 (pre monsoon period) and 1 to 24 May 1997 (post monsoon period). Seventy-nine stations were established in this study. The average concentration of ortho-phosphate of the pre monsoon period at 0-1 meter, 10 meter, 20 meter, 50 meter, 100 meter and 200 meter, 500 meter, 1000 meter and 1500 meter depth of the third survey cruise were 0.14 μM, 0.09 μM, 0.10 μM, 0.09 μM, 0.50 μM, 0.90 μM, 1.94 μM, 2.59 μM and 3.10 μM respectively. The average concentration of ortho-phosphate of the post monsoon period at 0-1 meter, 10 meter, 20 meter, 50 meter, 100 meter, 200 meter, 500 meter, 1000 meter and 1500 meter depth were 0.24μM, 0.28 μM, 0.20 μM, 0.25 μM, 1.15 μM and 2.27 μM, 4.13 μM, 5.19 μM and 5.41 μM respectively. The ortho-phosphate levels were low in the surface water and increase with depth. The results indicated that the deep water of the study area is very rich in phosphate.
    Keywords: Oceanography ; Biological production ; Orthophosphate ; Nutrients (mineral) ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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    Format: application/pdf
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  • 22
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    Distribution, abundance and biological studies of economically important fishes in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26418 | 23782 | 2019-04-10 08:23:26 | 26418 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The studies were carried out between 9th July and 3rd August 1996 (3rd cruise) and 30th April and 30th May, 1997 (4th cruise) in the Exclusive Economic Zone of Sarawak and the western part of Sabah. The species distribution, abundance, composition and length-weight relationships of some commercially important fish were investigated and compared for both cruises. The results indicate that the overall catch rate ranged from 3.5 to 194 kg/hr and averaged at 55.9 kg/hr during the 3rd cruise. For the 4th cruise, it ranged from 10.9 to 90.5 kg/hr and averaged at 50.2 kg/hr. During the 3rd cruise, 46.9% of the catch were dominated by demersal fish followed by 41.6% trash fish, 7.8% pelagic fish and 3.1% cephalopod. Priacanthidae was the most dominant family, which made up of 14.1% of the catch followed by Nemipteridae (10.8%), Carangidae (5.0%), Lutjanidae (3.7%) and Mullidae (2.1%). The ten most dominant species found during the 3rd cruise were 1. Priacanthus macracanthus (13.2%), 2. Nemipterus bathybius (3.3%), 3. Abalistes stellaris (2.8%), 4. Arius spp.(2.5%), 5. N. nematophorus (2.2%), 6. Gymnocranius griseus (1.9%), 7. N. marginatus (1.7%), 8. Sepia spp. (1.7%), 9. Decapterus spp. (1.6%) and 10. Carcharhinus spp (1.3%). During the 4th cruise, the family Nemipteridae (12.7%) formed the most dominant fish family followed by Carangidae (8.7%), Mullidae (7.1%), Lutjanidae (4.9%) and Priacanthidae (2.2%). The ten most dominant species were: 1. Loligo spp. (5.7%), 2. Nemipterus bathybius (4.2%), 3. Abalistes stellaris (4.0%), 4. Upeneus moluccensi (3.8%), 5. Nemipterus nemurus (3.8%), 6. Gymnocranius griseus (3.2%), 7. Carangoides malabaricus (3.2%), 8. Plectorhynchus pictus (3.1%), 9. Upeneus bensasi (2.4%) and 10. Arius spp. (1.8%). The morphometric study shows that the population of fish are normally distributed.
    Keywords: Fisheries ; Oceanography ; Marine fish ; Fishery surveys ; Pelagic fisheries ; Demersal fisheries ; Commercial species ; Fishery biology ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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  • 23
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    Stock assessment by hydro-acoustic method in the South China Sea Area II: Sabah, Sarawak, Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26417 | 23782 | 2019-04-10 08:18:26 | 26417 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Acoustic resource surveys were conducted by M/V SEAFDEC off Sarawak, Brunei and the east coast of Sabah from July 10 to August 2, 1996 for pre-NE monsoon season and from May 1 to May 24, 1997 for post-NE monsoon season, using the scientific echo sounder FQ-70, developed by Furuno Electric Co. Japan. Collected raw values of backscattering strength (SV) from the 200 kHz transducer were carefully corrected and filtered to eliminate the influence of plankton. These corrected SV values were divided into pelagic and demersal fish, and were used to estimate the biomass of pelagic and demersal multi-species in the limited coastal waters off Sarawak. Decapterus macrosoma for pelagic fish and Priacanthus macracanthus for demersal fish were selected as representative species, based on the fisheries statistics, landing place survey, and research vessel survey in order to estimate biomass. The standard length (SL) and weight of these representative species were obtained from research vessel survey and supported by previous literatures. Target strength (TS) of these representative species were calculated using formula TS = 20 log(SL) - 66. The distribution of the SV values for pelagic fish showed distinct difference between pre and post Northeast (NE) monsoon seasons along the coastal waters. Greater concentrations of SVs were observed from depth 100 and 200m on the continental shelf along the survey area for both the seasons. The estimated biomass of multi-species fish off coastal Sarawak waters for the pre and post NE monsoon seasons was 120,000 tonnes (100,000 tonnes of pelagic fish and 2x105 tonnes of demersal fish) and 470,000 tonnes (360,000 tonnes of pelagic fish and 110,000 tonnes of demersal fish), respectively. Estimated Maximum Sustainable Yield (MSY) was 83,000 tonnes for pelagic fish and 31,000 tonnes for demersal fish when using Cadima’s model.
    Keywords: Fisheries ; Oceanography ; Marine fisheries ; Pelagic fisheries ; Fishery surveys ; Stock assessment ; Demersal fisheries ; Echo surveys ; Fishery resources ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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    Format: 338-352
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  • 24
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    Physical characteristics of watermass in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26398 | 23782 | 2019-04-08 06:33:50 | 26398 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This study provides new information on the physical characteristics of water masses in Sabah and Sarawak waters. The aim was to determine the effect of Southwest (SW) monsoon on the variability of water masses, in Sabah and Sarawak waters. Physical characteristics data were obtained using an instrument called “Integrated Conductivity Temperature Depth” (iCTD), during the third (July 1996) and fourth (May 1997) cruises of the MV SEAFDEC research vessel, conducted during the SW monsoon season. Vertical distributions and profiles of temperature, salinity and density were analyzed and their variations between the two cruises compared. It is concluded that there were no great variations of temperature, salinity and density values in the study area, during both cruises. This is because both cruises were conducted during the SW monsoon season. However, variations of temperature, salinity and density values were observed between shallow and deep waters, as well as coastal and offshore waters. Based on their vertical distributions and profiles obtained during the two cruises, water properties in shallow waters were found to vary slightly from the deeper ones. As a result, in the southern tip of the South China Sea, where the water was shallow, its properties here differed a little from the rest of the study area. This was due to the pronounced mixing effect of surface waves in shallow waters. At the same time, lower salinity and consequently, lower density values were detected in coastal waters, resulting from of the influx of freshwater from Sabah and Sarawak rivers during this monsoon season.
    Keywords: Oceanography ; Salinity data ; Water masses ; Physical oceanography ; Density ; Temperature data ; Vertical profiles ; Monsoons ; South China Sea ; Sarawak ; Malaysia ; Sabah
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  • 25
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    Distribution of dinoflagellate cysts in the surface sediment of South China Sea: Area 2. Off Sabah, Sarawak and Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26415 | 23782 | 2019-04-10 08:04:47 | 26415 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The surface sediment samples of 47 stations in Sabah, Sarawak and Brunei Darussalam waters were collected by M.V. SEAFDEC for identification and quantitative analysis of benthic dinoflagellate cysts. A total of 18 dinoflagellate cyst belonging to family Gonyaulacaceae, Pyrophacaceae and Protoperiniaceae were identified. The cyst density in this area was in a range of 6 to 278 cysts/cm3 with Spiniferites bulloideus was the dominant species. Cysts of harmful species were not observed in this study but a small number of Alexandrium cyst-like was found at a station near coastal area of Sarawak.
    Keywords: Oceanography ; Biological surveys ; Cysts ; Sediment analysis ; Benthos ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam ; Protoperiniaceae ; Zoomastigophora ; Spiniferites bulloideus ; Gonyaulacaceae ; Pyrophacaceae
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    Format: 310-322
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  • 26
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    Temporal changes in the abundance of macrobenthos in the South China Sea, Area II: Sarawak, Brunei and Sabah (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26416 | 23782 | 2019-04-10 08:09:08 | 26416 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The macrobenthic fauna in the South China Sea (Sarawak, Brunei and Sabah) was surveyed during pre NE monsoon (4 Jul.- 8 Aug. 1996) and post NE monsoon (25 Apr.-31 May 1997). Over 90 species were collected by Smith-McIntyre grab of 47 stations. The overall density of macrobenthic fauna in Sarawak, Brunei and Sabah area was 100 ind. m-2 on average in the pre NE monsoon and 167 ind.m-2 on average in the post NE monsoon. Most species were carnivore/scavengers followed by deposit-feeder and fewer suspension-feeder or herbivores both in the pre and post NE monsoon. There was a marked seasonal variation in faunal composition between the pre and post NE monsoon. During the pre NE monsoon polychaeta was the most abundance followed by crustacea while during the post NE monsoon crustacea was the most abundance followed by polychaete and the remaining groups of macrobenthic fauna which were poorly represented in the survey areas both in the pre and post NE monsoon periods. All the diversity indices decline from the pre to post NE monsoon.
    Keywords: Fisheries ; Oceanography ; Species diversity ; Abundance ; Population density ; Zoobenthos ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam ; Polychaeta ; Crustacea
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 323-337
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  • 27
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    Kind, abundance and distribution of the fish larvae in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26413 | 23782 | 2019-04-10 07:55:08 | 26413 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Fish larvae samples were obtained from 79 stations in South China Sea of the Sarawak , Brunei and Sabah during the pre northeast monsoon season (August - September 1996) and the post northeast monsoon (April - May 1997). The standard larvae net and bongo net were used for the surface and oblique sampling. The specimens were identified which comprise of 112 families and 186 species of fish larvae observed from both cruises. For the pre northeast monsoon sampling there were 5,156 individuals observed from 86 families and 125 species in the surface horizontal haul and 16,277 individuals from 96 families and 149 species in the oblique haul. The post northeast monsoon collection showed 6,595 individuals from 79 families and 114 species collected in the surface horizontal hauls and 24,450 individuals from 94 families and 158 species observed in the oblique hauls. From the surface horizontal sampling, the abundant larvae observed were Stolephorus sp., Sardinella sp., Upeneus sp., Myripristis sp., Holocentrus sp., Gobiidae, Decapterus sp. and Diaphus sp. Specimens from the oblique hauls, Gobiidae, Bregmaceros rarisquamosus, Nemipterus sp., Stolephorus sp. and Callionymus sp. were the most species observed abundant in the collection. The mesopelagic fish larvae, Hygophum sp., Myctophum sp., Pollichthys sp. and Lampadena sp. were found abundant in the oblique specimens in the deep sea stations. The larvae were collected in more abundant during the early morning, night time and cloudy day sampling.
    Keywords: Fisheries ; Oceanography ; Marine fish ; Distribution records ; Quantitative distribution ; Check lists ; Biomass ; Fish larvae ; Fishery resources ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam ; Stolephorus ; Gobiidae ; Upeneus ; Myripristis ; Decapterus ; Sardinella ; Holocentrus ; Diaphus
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    Format: application/pdf
    Format: 243-287
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  • 28
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    Biomass estimation by hydro-acoustic methods in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26419 | 23782 | 2019-04-10 08:26:18 | 26419 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The abundance of fisheries resources and their structure off shore of Sarawak, Sabah and Brunei Darussalam were investigated under the SEAFDEC Collaborative Research Survey. Hydro-acoustic surveying by using a scientific echo sounder model FQ-70 was conducted for estimating the fish abundance and biomass. Two survey cruises were carried out by M.V. SEAFDEC during 10 July to 2 August 1996 and 1 to 24 May 1997 for pre and post-northeast monsoon seasons, respectively. The scientific echo-sounder was equipped with an echo-integrator and two quasi-ideal beam transducers with operating frequencies of 50 and 200 kHz. For pre and post-northeast monsoon season was 1,717,852 tons and 956,397 tons, respectively. The maximum fish abundance were found at the water depth between 100 to 200 m was 92.4% and 49.8% of total abundance for pre and post-northeast monsoon season, respectively.
    Keywords: Fisheries ; Oceanography ; Marine fisheries ; Fishery surveys ; Abundance ; Stock assessment ; Echo surveys ; Fishery resources ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam
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    Format: application/pdf
    Format: 362-370
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  • 29
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    Response of estuarine nekton to the regulated discharge of treated phosphate-production process water (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26941 | 9413 | 2019-11-27 23:48:35 | 26941 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Florida is one of the world’s leading producers of phosphate. The mining and processing of phosphate produce a large volume of nutrient-rich, highly acidic process water that must either be stored or be treated and then discharged into the environment. Environmental effects of the regulated discharge of treated phosphate-production process water have not been well studied; however, eutrophication has been shown to negatively affect estuarine systems. We characterized the nekton community in Bishop Harbor during the discharge of treated process water (November 2003–October 2004) and compared these data with data collected during a nondischarge period (January 1993–December 1993) to identify possible effects of the discharged water on nekton communities. Overall fish community structure and species composition during the nondischarge and discharge time periods did not markedly differ. Several taxa exhibited subtle shifts in spatial distribution in Bishop Harbor; these shifts may be partially attributable to altered salinity from the combined effects of wastewater discharge and enhanced precipitation during the active 2004 hurricane season. Although we did not discern any effects of the discharge of treated process water on nekton communities, regulated discharges might have contributed to a large macroalgal bloom, which was harvested to reduce the possibility of decomposition-related hypoxia. Such an approach was practical only because Bishop Harbor is relatively small (~ 200 ha), and would not have been cost-effective for a larger system. Given the importance of Florida’s phosphate industry, it is critical that better alternatives to the treatment and disposal of process water be developed.
    Keywords: Environment ; Pollution ; estuarine nekton ; nekton ; phosphate ; phosphate-production ; Bishop Harbor ; Florida
    Repository Name: AquaDocs
    Type: monograph
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    Seagrass Integrated Mapping and Monitoring Program: Mapping and monitoring report no. 2 (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26943 | 9413 | 2019-11-28 00:20:27 | 26943 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: This is the second edition of the Seagrass Integrated Mapping and Monitoring (SIMM) report, providing mapping and monitoring information for seagrasses throughout Florida’s coastal waters. Each regional chapter has been updated, and we have added information on management programs and water quality and clarity. For most regions, seagrass maps nowshow data gathered between 2010 and 2014. Exceptions include the Big Bend, Cedar Keys, Waccasassa Bay, the Charlotte Harbor region, Estero Bay, the Ten Thousand Islands, and Biscayne Bay; however, imagery was acquired in 2014 or 2015 with photo-interpretation underway for these remaining regions except Cedar Keys, Waccasassa Bay, and Biscayne Bay.The primary indicators derived from mapping projects are seagrass areal coverage and habitat texture (i.e., continuous or patchy). Secondary indicators of seagrass condition and health determined by mapping projects are estimates of gains and losses in cover and changes in texture determined from analyses of two most recent sets of imagery having the same spatial extent. Where successive imagery data sets are available, we have updated changes in seagrass acreage.
    Description: Version 2 of TR-17
    Keywords: Conservation ; Environment ; seagrass ; seagrass abundance ; seagrass mapping ; seagrass monitoring ; water quality ; Florida
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    Type: monograph
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    Stock boundaries for spotted seatrout (Cynoscion nebulosus) in Florida based on population genetic structure (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26945 | 9413 | 2019-12-10 18:44:36 | 26945 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: The Spotted Seatrout Cynoscion nebulosus (Sciaenidae) is an estuarine fish of economic importance, commercially and recreationally, in Florida. Harvesting of this fish has been steadily decreasing since the 1950s. In the late 1980s, the Florida Fish and Wildlife Conservation Commission (FWC) implemented a major effort to stop the decline in landings and classified the species as restricted, regulating the importation, transportation, and possession of these fish. Over the period 1981-2012, combined recreational and commercial landings of Spotted Seatrout have been flat, primarily because of regulation of the fishery. In the absence of a well-resolved population genetic structure for the Spotted Seatrout, the FWC has relied on coastal watershed features and reproductive differences among estuaries to demarcate regions for management purposes. ... In the present study we identify three genetic stocks of Spotted Seatrout in Florida waters, each with a unique range: 1) from the western border of Florida to Apalachicola Bay, 2) east of Apalachicola Bay through Biscayne Bay, and 3) from Sebastian Inlet to the northeast border of the state. The genetic patterns observed indicate that little if any contemporaneous reproductive exchange takes place between these stocks and that recruitment usually occurs in the natal estuary. The geographic boundaries that frame the FWC’s periodic stock assessments and other demographic evaluations of Spotted Seatrout are not a perfect match with those of the genetically identified stocks. We recommend that, in its assessments of Florida stock of the Spotted Seatrout, the FWC use the genetic stock boundaries that we describe here.
    Keywords: Conservation ; Management ; spotted seatrout ; restricted species ; geographic boundaries ; biological units ; population genetic structure ; microsatellite markers ; stock assessments ; Florida
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    Aerial surveys of manatee distribution in Florida, 1984–2004 (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26946 | 9413 | 2019-12-10 18:58:03 | 26946 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: This Florida Fish and Wildlife Conservation Commission–Fish and Wildlife Research Institute (FWC-FWRI) Technical Report describes and summarizes the FWC-FWRI aerial-survey projects conducted from 1984 to 2004 to document manatee distribution in Florida and it provides details of the methods used in the studies. Surveys reported here were conducted by FWC or in conjunction with other agencies. This report is intended for use by local, state, and federal agencies and others involved in assessing the impacts of human activities on manatees and their habitat. It provides basic summaries of these surveys, their methods, the resulting data, and includes maps showing where manatees were sighted. Aerial survey data (manatee sightings and flight routes) from this technical report are available in a Geographic Information System (GIS) computer mapping format (shapefiles) on the FWC–FMRI Atlas of Marine Resources CD–ROM or on the FWC website. The analyses reported do not address in detail the environmental and habitat factors that may influence aerial surveys. The data and analyses described in this report provide a starting point for researchers who want to further investigate the seasonal distribution and habitat use of manatees in Florida. Other available data sets pertaining to manatee management and protection are also described. The information presented in this document is current to 2004 and does not include projects or surveys conducted after 2004.
    Keywords: Conservation ; aerial surveys ; manatee distribution ; Florida
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    Development of microsatellite markers for Permit (Trachinotus falcatus), cross-amplification in Florida Pompano (T. carolinus) and Palometa (T. goodei), and species delineation using microsatellite markers (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26947 | 9413 | 2019-12-28 20:08:14 | 26947 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Three of the 20 species in the genus Trachinotus, in the jack family, Carangidae, are found in Florida waters. These are Florida Pompano (T. carolinus), Permit (T. falcatus), and Palometa (T. goodei). Florida Pompano is a coastal pelagic species found in estuarine and marine waters; it spawns in multiple batches in offshore waters. Permit is the largest and longest lived of the three species and also spawns offshore in multiple batches, near reefs. As adults, Permit can be found nearshore and offshore and are often associated with reefs, but as juveniles they are common estuarine inhabitants. Palometa is a marine species, similar in size to Florida Pompano, and has the widest latitudinal distribution of the three species. Palometa spawn in offshore waters throughout the year with two peaks of activity. All three species support commercial or recreational fisheries on both the Gulf of Mexico coast and Atlantic coast of Florida. Very little has been done to evaluate movement patterns of Trachinotus species. Based on a few tagging studies, it appears that Pompano do not travel far from coastal waters. The only preliminary investigation of genetic stock structure for the Florida Pompano population from Tampa Bay, FL, and Puerto Rico was based on microsatellite markers developed for the Pompano. The report’s key conclusion was that Pompano from Puerto Rico and from Florida belong to two highly distinct genetic stocks. This study was conducted to re-examine, using different microsatellite markers, the genetic status of Pompano stocks in Florida and Puerto Rico. The objectives of this study, therefore, were the following: 1) to develop microsatellite markers for Permit; 2) to cross-amplify the markers in Pompano and Palometa; and 3) to use these markers to confirm the status of Puerto Rico Pompano as a novel genetic stock using the methods of Bayesian population assignment, phylogenetic clustering, and factorial correspondence analysis. ... Three methods were used to investigate the relationship among the taxa using the microsatellite genotype data obtained from the samples. The results from the three analytical methods, based on Bayesian population assignment tests, phylogenetic clustering, and factorial correspondence analysis of genetic relationships among the four Trachinotus samples, showed that Florida and Puerto Rico Pompano samples belong to two highly distinct gene pools. But other multiple molecular tools, particularly nuclear-DNA sequences from many introns, and nonmolecular tools, such as morphological and meristic data, should be used together to determine species-level categorical designation for the Puerto Rico Pompano.
    Keywords: Biology ; Oceanography ; Florida Pompano ; Permit ; Palometa ; genetic stock ; microsatellite markers ; species delineation
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    Oyster Integrated Mapping and Monitoring Program report for the State of Florida (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26967 | 9413 | 2020-02-21 18:58:25 | 26967 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Oysters provide a variety of critical ecosystem services to coastal communities in Florida. They improve water quality and clarity as they filter feed, lessen shoreline erosion, and provide a habitat or food source for a wide variety of birds, fish, and invertebrates. Oysters are commercially valuable as a harvested food source, and historically their shell has been mined extensively for construction material. The eastern oyster (Crassostrea virginica) is the only reef-building oyster in Florida and forms both subtidal and intertidal reefs. Numerous other species of non-reef-building oysters are less frequent. This report focuses primarily on the eastern oyster, because it is the most abundant oyster in Florida and because it is important as both a keystone species and an ecosystem engineer.
    Keywords: Conservation ; Florida ; oyster ; eastern oyster ; Crassostrea virginica ; Oyster Integrated Mapping and Monitoring Program ; OIMMP ; oyster reef
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    Updated statewide abundance estimates for the Florida manatee (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26968 | 9413 | 2020-02-21 19:10:47 | 26968 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Knowing how many manatees live in Florida is critical for conservation and management of this threatened species. Martin and others flew aerial surveys in 2011–2012 and estimated abundance in those years using advanced techniques that incorporated multiple data sources. We flew additional aerial surveys in 2015–2016 to count manatees and again applied advanced statistical techniques to estimate their abundance. We also made several methodological advances over the earlier work, including accounting for how sea state (water surface conditions) and synchronous surfacing behavior affect the availability of manatees to be detected and incorporating all parts of Florida in the area of inference. We estimate that the number of manatees in Florida in 2015–2016 was 8,810 (95% Bayesian credible interval 7,520–10,280), of which 4,810 (3,820–6,010) were on the west coast of Florida and 4,000 (3,240–4,910) were on the east coast. These estimates and associated uncertainty, in addition to being of immediate value to wildlife managers, are essential new data for incorporation into integrated population models and population viability analyses.
    Keywords: Conservation ; Florida ; manatees ; population ; abundance estimate
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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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    The commercial aspects of spiny lobster farming (2021)
    Florida Board of Conservation, Marine Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/304 | 3 | 2011-09-29 22:16:03 | 304
    Details
    Publication Date: 2021-06-28
    Description: The Florida spiny lobster, Panulirus argus, is an important item inFlorida fisheries, rating high among fishery products. The fishery iscentered in south Florida and the Florida Keys but the commercial rangemay extend into other areas as more exploratory research is done. Themajority of the catch is made using wooden traps and discarded ice cans,but large numbers are taken at certain times of the year in bully nets,shrimp trawls, and by hand. The catch is sold alive. The U. S. catchescannot satisfy the demand for this tasty product and each year millionsof pounds are imported from South America, Africa, Australia, and othercountries.Because of the fairly high market price placed on this animal and becauseof the large number imported, several persons have become interestedin the artificial propagation of the spiny lobster and have requested informationon the commercial feasibility of lobster farming. It is for thatreason this paper is prepared. (4 page document)
    Description: Reissued September 1968. 4pp.
    Keywords: Fisheries ; Florida ; spiny lobster ; Panulirus argus
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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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    Fathom Magazine, v. 8, no. 2, Summer 1996 22pp :Florida sharks (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/415 | 3 | 2020-08-24 02:50:40 | 415 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-29
    Description: CONTENTS.Protecting the Predators, by Jay Humphrey. Economics Create Responsible SharkManagement,by Jay Humphreys. The Healing Power of Sharks,by Kelly Marie Sokol. Shark!by Jay Humphreys. Florida's Sharks. Entering the Sharks' Environment,by Susan Grantham. Regulations Affect the CommercialShark Fishing Industry,by Susan Grantham. Fishing for Information,by Susan Grantham. Tagging, not Bagging,by Robert Hueter, Mote Marine Laboratory. Shark Sites of Interest on the Internet.
    Keywords: Fisheries ; Biology ; sharks ; Florida
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    Ponce de Leon channel shoaling and erosion studies Punta Gorda, Florida (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/428 | 3 | 2020-08-24 02:56:50 | 428 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: The shoaling and bank erosion at Ponce de Leon channel, Punta Gorda, Florida, havecaused concern of harming the mangrove community along the channel. Three factorswere identified that could contribute to the bank erosion of Ponce channel. Theyare tidal induced current, wind waves penetrating from the Charlotte Harbor, andwakes caused by boat traffic. According to the field experiments and numericalmodeling studies, it was determined that the combined wind wave and tidal currentforce is the major cause to the bank erosion. Wind wave appears to play a moreimportant role because of its dynamic nature. For the present cross-sectionalchannel condition the tidal current alone is only a moderate erosional force.It was also found that reopening the barge canal would cut the tidal currentstrength in the Ponce channel by a half. This current reduction would reduce butnot eliminate bank erosion in the lower reach as the wind-wave induced force willremain to be an important erosional factor.A number of remedial alternatives were given in the report. The most direct methodis to provide bank protection. The extent of the protection depends upon theextent of wind wave penetration which could be as deep as 150 m into the channelunder the present channel entrance condition. (This document has 49 pages. )
    Keywords: Oceanography ; Engineering ; tidal current ; erosion ; channels ; Ponce de Leon channel ; Florida ; mangroves ; Punta Gorda
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    Video monitoring techniques in the coastal environment (2021)
    University of Florida, Coastal and Oceanographic Engineering Department
    In:  http://aquaticcommons.org/id/eprint/478 | 3 | 2020-08-24 02:59:47 | 478 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: Abstract of Thesis Presented to the Graduate Schoolof the University of Florida in Partial Fulfillment of theRequirements for the Degree of Master of EngineeringVIDEO MONITORING TECHNIQUES IN THECOASTAL ENVIRONMENTByThe field of coastal engineering has primarily utilized traditional measurementtechniques such as boat surveys and beach profiles. Aerial photography has played amajor role in the mapping of coastlines and ocean currents. More recent technology hasprovided the ability to make field measurements with precision electronicinstrumentation, but the problem of making large-scale measurements within economicbounds remains. The video revolution and, in particular, desktop video has greatlyenhanced the ability of scientists and engineers to visualize events over greater periods oftime and larger scales than ever before.The uses of video, benefits, shortcomings, and future expectations are presentedas applicable to the field of coastal engineering. This feasibility study incorporates someapplications which have previously been explored, as well as others which result fromtwo unique video data sets that were collected between 1991 and the present.
    Description: Masters
    Description: UFL/COEL/93/006
    Keywords: Oceanography ; Engineering ; Earth Sciences ; coastal changes ; video monitoring
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    Type: thesis
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    A method for predicting local structure-induced sediment scour based on near bottom flow measurements (2021)
    University of Florida, Coastal and Oceanographic Engineering Department
    In:  http://aquaticcommons.org/id/eprint/475 | 3 | 2020-08-24 03:09:11 | 475 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: A method of predicting equilibrium scour depths around multiple pile structuresbased on pre-scoured bottom shear stress was developed in this study. It washypothesized that a relationship exists between the pre-scoured bottom shear stress andthe equilibrium scour depth. A series of hydrodynamic tests were conducted in whichnear-bottom flow measurements were made in the vicinity of a variety of multiple pilestructures. The distribution of bottom shear stress was estimated from these flowmeasurements. Scour tests were then made in the same flume using the same structures.A simple relationship between the equilibrium scour depth and the pre-scoured bottomshear stress was formulated and the data from the two sets of experiments were used tocalibrate and test the formulation. The formulation gives reasonable predictions for therange of conditions tested. The approach appears promising as an alternative way of estimating equilibrium local scour depths for complex multiple pile structures. Inaddition, a number of interesting and useful findings were made regarding the rate atwhich a local scour hole forms near complex structures. (Document contains 146 pages.)
    Description: Masters
    Description: UFL/COEL/93/003
    Keywords: Engineering ; Scouring ; models
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    Flow and transport characteristics at a canal network Burnt Store Isles, Punta Gorda, Florida (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/535 | 3 | 2020-08-24 03:04:05 | 535 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This report presents results of field measurements and numerical modeling of thehydrodynamic and sedimentary behaviors at a boat lock located in Section 15, BurntStore Isles of Punta Gorda, Florida. The purpose of the study is to establish thequantities of tidal flows through the lock in comparison with the flows bypassing thelock through other outlets between Section 15 and the Alligator Creek. The amountof sediment and pollutant transporting through the lock are also estimated in thestudy. (Document has 68 pages.)
    Keywords: Engineering ; Environment ; Punta Gorda ; Florida ; canals ; Alligator Creek ; Flow exchange ; Boat lock ; Pollutant transport
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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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    Sebastian Inlet physical model studies. Final report: movable bed model (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/533 | 3 | 2021-02-27 20:20:10 | 533 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This report presents results of the experiments of the existing inlet and eightstructural alternatives to the Sebastian Inlet from a movable bed model. It is intendedto find solutions for improvement of boating safety and protection of beaches adjacentto the inlet. Based upon the experimental results from here and the fixed bed modelstudy, which is summarized in Part I report, an optimum structural modification planwas then recommended providing a general frame of improvement scheme.The research in this report was authorized by the Sebastian Inlet District Commissionof September 15, 1989. The University of Florida was notified to proceedon November 14, 1989. The study and report were prepared by the Department ofCoastal and Oceanographic Engineering, University of Florida. Coastal TechnologyCorporation was the technical monitor representing the Sebastian Inlet District. (Document has 109 pages.)
    Keywords: Oceanography ; Engineering ; Planning ; Erosion ; Sediment transport ; Shore erosion ; Structural alternative ; Sebastian Inlet ; Florida
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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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    Flow and transport characteristics at a canal network: Burnt Store Isles, Punta Gorda, Florida (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/542 | 3 | 2020-08-24 03:05:43 | 542 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-30
    Description: This report presents results of field measurements and numerical modeling of thehydrodynamic and sedimentary behaviors at a boat lock located in Section 15, BurntStore Isles of Punta Gorda, Florida. The purpose of the study is to establish thequantities of tidal flows through the lock in comparison with the flows bypassing thelock through other outlets between Section 15 and the Alligator Creek. The amountof sediment and pollutant transporting through the lock are also estimated in thestudy. (68 pp.)
    Description: Prepared for City of Punta Gorda, Florida
    Keywords: Engineering ; Boat lock ; flow exchange ; pollutant transport ; Punta Gorda ; Florida
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    Scyllarid lobsters (Crustacea, Decapoda) (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/692 | 97 | 2020-08-24 03:16:24 | 692 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (74pp.)
    Keywords: Oceanography ; Biology
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    Flatfishes (Pleuronectiformes) (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/702 | 97 | 2020-08-24 03:19:25 | 702 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: Document has 135 pages.
    Keywords: Oceanography ; Fisheries ; Biology
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    A new species of Linaresia (Copepoda: Lamippidae) endoparasitic in the octocoral Placogorgia from the Gulf of Mexico (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/737 | 97 | 2020-08-24 03:20:51 | 737 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (7pp.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Copepoda
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    Crangonid shrimps (Crustacea: Caridea), with a description of a new species of Pontocaris (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/743 | 97 | 2020-08-24 03:22:36 | 743 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (39pp)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Crustacea:Caridea
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    Observations on Florida reef corals treated with fish-collecting chemicals (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/766 | 97 | 2020-08-24 03:28:58 | 766 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (24pp.)
    Keywords: Health ; Biology ; Environment ; Florida ; coral
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  • 54
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    A guide to common Florida salt marsh and mangrove vegetation (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/767 | 97 | 2020-08-24 03:29:15 | 767 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (36pp.)
    Keywords: Biology ; Environment ; Florida ; guide ; salt marsh ; mangroves
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  • 55
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    Amphipod Crustacea I. Family Aoridae (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/741 | 97 | 2020-08-24 03:22:01 | 741 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (75pp.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Crustacea:Amphipoda ; Shrimp
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  • 56
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    Sciaenid fishes (Osteichthyes: Perciformes) of western peninsular Florida (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/744 | 97 | 2020-08-24 03:22:57 | 744 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-02
    Description: (73pp.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Osteichthyes:Perciformes ; Sciaenid fishes
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  • 57
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    Holothurians (Echinodermata: Holothuroidea) (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/746 | 97 | 2020-08-24 03:23:42 | 746 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: A total of 213 holothurians, representing 16 species, was collected during Project Hourglass, a28-month systematic survey of ten stations along two transects (6-73 m) off central western Florida.This material, supplemented with 8 1 additional Gulf of Mexico specimens supplied by the FloridaDepartment of Natural Resources, brings the total number of species reported in this paper to 20. Ofthese species, 19 have previously been reported from the Gulf of Mexico. One, Allothyone mexicana,can be considered endemic to the Gulf of Mexico, and another, Thyone crassidisca, was recentlydescribed from material including Hourglass specimens. Systematic accounts, pertinent ecologicaldata and line drawings of taxonomically important skeletal elements are included for each species.Keys to all 60 holothurian species known from the Gulf of Mexico are provided. Range extensionsfor several species are noted. (Document contains 79 pages.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Echinodermata:Holothuroidea ; Holothurians
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    Amphipod Crustacea III. Family Colomastigidae (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/752 | 97 | 2020-08-24 03:25:52 | 752 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: (139pp.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Crustacea:Amphipoda
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    Shallow-water Pycnogonida of the Gulf of Mexico (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/751 | 97 | 2020-08-24 03:25:19 | 751 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: (86pp.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Sea spider: Pycnogonida
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    Synalpheus shrimps (Crustacea: Decapoda: Alpheidae). I. The Gambarelloides group, with a description of a new species (2021)
    Florida Department of Natural Resources, Bureau of Marine Research | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/747 | 97 | 2020-08-24 03:24:02 | 747 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: The genus Synalpheus Bate, 1888, is one of the most diverse and widely distributed generaof caridean shrimps in the world. Often known as snapping shrimps because of the popping soundmade by the major first pereopod when the chela is closed rapidly, members of this genus areimportant components of coral reef and live bottom communities in all tropical and subtropical seas.The Gambarelloides group (a well-defined, homogeneous group within the genus but lackingformal subgeneric status) contains over half the described species of Synalpheus in the Gulf ofMexico and Caribbean. Its many species are distinguished from each other by subtle, and oftenvariable, characters. Accurate inventories of the Gulf fauna have been handicapped by difficulty inseparating these shrimps at the specific level. Distributional data, diagnoses, and references toeach of the 19 species of the group from the Western Atlantic Region are presented in this report.The 11 species known from the Gulf of Mexico are illustrated. Details of specific ecological associations,morphological variation, and life history strategies are also summarized. (Document has 125 pages.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Crustacea:Decapoda ; Gambarelloides
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    Amphipoda Crustacea IV. Families Aristiidae, Cyphocarididae, Endevouridae, Lysianassidae, Scopelocheiridae, Uristidae (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/753 | 97 | 2020-08-24 03:26:12 | 753 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: (150pp.)
    Keywords: Oceanography ; Biology ; Gulf of Mexico ; Florida ; Crustacea:Amphipoda
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    Nearshore marine ecology at Hutchinson Island, Florida: 1971-1974: I. introduction and rationale; II. sediments; III. physical and chemical environment (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/791 | 97 | 2020-08-24 03:35:41 | 791 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-03
    Description: (Document has 85 pages.)
    Keywords: Ecology ; Environment ; Florida ; Hutchinson Island
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    Transplant techniques for sapling mangrove trees, Rhizophora mangle, Laguncularia racemosa, Avicennia germinans, in Florida (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/790 | 97 | 2020-08-24 03:35:20 | 790 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-03
    Description: (20pp.)
    Description: Document has 22 pages.
    Keywords: Ecology ; Environment ; Florida ; transplanting ; techniques ; mangroves ; Rhizophora mangle ; Laguncularia racemosa ; Avicennia germinans
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    Proceedings of the Florida Red Tide Conference 10-12 October 1974 Sarasota, Florida (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/769 | 97 | 2020-08-24 03:29:48 | 769 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: (26pp.)
    Keywords: Oceanography ; Biology ; Florida ; conference ; red tide
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    Fishes of the Florida Middle Ground with comments on ecology and zoogeography (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/770 | 97 | 2020-08-24 03:30:06 | 770 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: (20pp.)
    Keywords: Oceanography ; Fisheries ; Biology ; Florida ; gulf of mexico ; population ; survey
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    Mining of submerged shell deposits: history and status of regulation and production of Florida industry (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/776 | 97 | 2020-08-24 03:30:42 | 776 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: (55pp.)
    Keywords: Law ; Oceanography ; Florida ; shell deposits
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    Techniques for coastal restoration and fishery enhancement in Florida (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/780 | 97 | 2020-08-24 03:31:57 | 780 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: Document has 35 pages.
    Keywords: Oceanography ; Biology ; Florida ; coastal restoration ; techniques
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    Development of spawning and mass larval rearing techniques for brackish-freshwater shrimps of the genus Macrobrachium (Decapoda: Palaemonidae) (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/777 | 97 | 2020-08-24 03:30:58 | 777 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-02
    Description: Document has 34 pages.
    Keywords: Oceanography ; Biology ; Florida ; spawning ; macrobrachium ; brackish-freshwater shrimp
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    Nearshore marine ecology at Hutchinson Island, Florida: 1971-1974. VI. plankton dynamics, 1971-1973, VII. phytoplankton 1971-1973, VIII. zooplankton, 1971-1973, IX. diel plankton, 1973-1974, X. benthic algae species list (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/883 | 97 | 2020-08-24 03:39:23 | 883 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-03
    Description: (Document has 122 pages.)
    Keywords: Oceanography ; Biology ; Florida ; Hutchinson Island ; plankton ; phytoplankton ; zooplankton ; benthic algae ; diel plankton
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    The biology and fishery of Atlantic sailfish Istiophorus platypterus from southeast Florida (2021)
    Florida Department of Natural Resources, Marine Research Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/877 | 97 | 2020-08-24 03:37:25 | 877 | Florida Fish and Wildlife Conservation Commission
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    Publication Date: 2021-07-03
    Description: (Document has 31 pages.)
    Keywords: Ecology ; Fisheries ; Oceanography ; Florida ; Atlantic ocean ; Sailfish ; Istiophorus platyerus
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    Green mussel, Pema viridis (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2064 | 3 | 2010-12-14 16:52:26 | 2064 | Florida Sea Grant College Program
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    Publication Date: 2021-07-11
    Description: (2 page flyer)
    Keywords: Management ; Biology ; Green mussel ; Florida ; invasive species ; Pema viridis
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    Ecology of aquaculture species and enhancement of stocks: proceedings of the thirtieth U.S. - Japan meeting on aquaculture, Sarasota, FL, Dec. 3-4, 2001 (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2061 | 3 | 2011-09-29 19:44:56 | 2061 | Florida Sea Grant College Program
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    Publication Date: 2021-07-11
    Description: CONTENTS:I. U.S.-Japan CooperationOpen Ocean Aquaculture – A Venue for Cooperative Research Between the United States and Japan.............................................................................. 1C. HelsleyII. Growth, Nutrition and Genetic DiversityDaily Ration of Hatchery-Reared Japanese Flounder Paralichthys olivaceus as an Indicator of Release Place, Time and Fry Quality. In situ Direct Estimation and Possibility of New Methods by Stable Isotope............................ 7O. Tominaga, T. Seikai, T. Tsusaki, Y. Hondo, N. Murakami, K. Nogami, Y. Tanaka and M. TanakaNucleic Acids and Protein Content as a Measure to Evaluate the Nutritional Condition of Japanese Flounder Paralichthys olivaceus Larvae and Juveniles........................................................................................................ 25W. GwakGenetic Diversity Within and Between Hatchery Strains of Flounder Paralichthys olivaceus Assessed by Means of Microsatellite and Mitochondrial DNA Sequencing Analysis...................................................................... 43M. Sekino, M. Hara and N. TaniguchiTracking Released Japanese Flounder Paralichthys olivaceus by Mitochondrial DNA Sequencing................................................................................ 51T. FujiiPreliminary Aspects of Genetic Management for Pacific Threadfin Polydactylus sexfilis Stock Enhancement Research in Hawaii........................................ 55M. Tringali, D. Ziemann and K. StuckEnhancement of Pacific Threadfin Polydactylus sexfilis in Hawaii: Interactions Between Aquaculture and Fisheries............................................................. 75D. ZiemannAquaculture and Genetic Structure in the Japanese Eel Anguilla japonica..................... 87M. Katoh and M. KobayashiComparative Diets and Growth of Two Scombrid Species, Chub Mackerel Scomber japonicus and Japanese Spanish Mackerel Scomberomorus niphonius, in the Central Seto Inland Sea, Japan.................................. 93J. Shoji, M. Tanaka and Tsutomu Maehara iiiEvaluating Stock Enhancement Strategies: A Multi-disciplinary Approach................... 105T. M. Bert, R.H. McMichael, Jr., R.P. Cody, A. B. Forstchen, W. G. Halstead, K. M. Leber, J. O’Hop, C. L. Neidig, J. M. Ransier, M. D. Tringali, B. L. Winner and F. S. KennedyIII. Physiological and Ecological ApplicationsPredation on Juvenile Chum Salmon Oncorhynchus keta by Fishes and Birds in Rivers and Coastal Oceanic Waters of Japan................................... 127K. Nagasawa and H. KawamuraInteraction Between Cleaner and Host: The Black Porgy Cleaning Behavior of Juvenile Sharpnose Tigerfish Rhyncopelates Oxyrhynchus in the Seto Inland Sea, Western Japan............................................................................. 139T. Shigeta, H. Usuki and K. GushimaIV. Case StudiesAlaska Salmon Enhancement: A Successful Program for Hatchery and Wild Stocks............................................................................................... 149W. HeardNMFS Involvement with Stock Enhancement as a Management Tool........................... 171T. McIlwainStock Enhancement Research with Anadromous and Marine Fishes in South Carolina...................................................................................... 175T. I. J. Smith, W. E. Jenkins, M. R. Denson and M. R. CollinsComparison of Some Developmental, Nutritional, Behavioral and Health Factors Relevant to Stocking of Striped Mullet, (Mugilidae), Sheepshead (Sparidae), Common Snook (Centropomidae) and Nassau Groupers (Serranidae)........................... 191J. W. Tucker Jr. and S. B. KennedyParticipants in the Thirtieth U.S.-Japan Meeting on Aquaculture................. Inside Back Coveriv (PDF has 204 pages.)
    Description: Correct citation of this Report is: Nakamura, Y., J.P. McVey, K. Leber, C. Neidig, S. Fox, and K. Churchill, (eds.). 2003. Ecology of Aquaculture Species and Enhancement of Stocks. Proceedings of the Thirtieth U.S. – Japan Meeting on Aquaculture. Sarasota, Florida, 3-4 December. UJNR Technical Report No. 30. Sarasota, FL: Mote Marine Laboratory. Series: Mote Marine Laboratory Technical Report No. 883
    Keywords: Management ; Fisheries ; Aquaculture ; aquaculture ; conferences ; United States ; Japan ; fisheries ; fish stocks
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    Fisheries conservation and habitat improvement in marine ecosystems (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2063 | 3 | 2011-09-29 19:45:01 | 2063 | Florida Sea Grant College Program
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    Publication Date: 2021-07-11
    Description: The following discussion presents information on human-made reefs and their role--as one tool of many--in the management of both fisheries and habitat. Principal subjects covered in this paper include a definition of marine habitat improvement and determination of its attainment, the present applications of reef construction technology to environmental situations both generally and in three case-studies, and suggested desirable attributes for incorporation into future use of this technology. (PDF has 11 pages.)
    Description: Authors’ note: This document was the basis for a keynote presentation at the 2004 World Fisheries Congress, in a session on Marine Fisheries Habitat Improvement. Several of the slides shown there are included here, without captions.
    Keywords: Management ; Fisheries ; Engineering ; Environment ; artificial reefs ; Florida ; habitat improvement
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    Farm-raised shrimp: good aquacultural practices for product quality and safety (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2057 | 3 | 2021-02-27 20:12:22 | 2057 | Florida Sea Grant College Program
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    Publication Date: 2021-07-11
    Description: (PDF has 75 pages)
    Keywords: Management ; Health ; Fisheries ; Aquaculture ; Florida ; shrimp ; aquaculture ; food safety
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    Aquiculture and Marketing of the Florida Bay Scallop in Crystal River, Florida (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2056 | 3 | 2011-09-29 19:44:25 | 2056 | Florida Sea Grant College Program
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    Publication Date: 2021-07-11
    Description: The overall goal of this study was to develop a new fishery resource product through open-wateraquaculture for the west coast of Florida that would compete as a non-traditional product through marketdevelopment. Specific objectives were as follows:I. To grow a minimum of 50, 000 juvenile scallops to a minimum market size of40 mm in a cageand float system in the off-shore waters of Crystal River, Florida.2. To determine the growth rate, survival, and time to market size for the individuals in this systemand area to other similar projects like Virginia.3. To introduce local fishermen and the aquaculture students at Crystal River High School to thehatchery, nursery, and grow-out techniques.4. To determine the economic and financial characteristics of bay scallop culture in Florida andassess the sensitivity of projected costs and earnings to changes in key technical, managerial, andmarket related parameters.5. To determine the market acceptability and necessary marketing strategy for whole bay scallopproduct in Florida. (PDF has 99 pages)
    Keywords: Management ; Fisheries ; Aquaculture ; Florida ; bay scallop ; Argopecten irradians ; aquaculture ; Crystal River ; Florida Bay Scallop
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    Histological atlas of Florida Surgeonfish (Acanthuridae) (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2059 | 3 | 2011-09-29 19:44:32 | 2059 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-07-11
    Description: This histological atlas focuses on A. coeruleus and includesmajor organs and tissues. Particularly note the stomach tissues ofboth species, which illustrate the difference in digestive strategies ofthe Carribbean Acanthurids. Acanthurus chirurgus was intentionallyleft out of this atlas, as its tissues are identical to those of ?A.bahianus(PDF has 22 pages)
    Keywords: Fisheries ; Biology ; Florida ; reef fishes ; Acanthurids ; tangs ; histology
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    Enhancing Seed Availability For the Hard Clam (Mercenaria mercenaria) Aquaculture Industry By Applying Remote Setting Techniques (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2060 | 3 | 2011-09-29 19:44:34 | 2060 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-07-11
    Description: The goal of this study was to test a technology that may help ensure a reliable and consistentsupply of high quality and inexpensive clam seed to growers, thus fostering an emergingaquaculture industry by eliminating a seed shortage that limits sustainability. The overallobjectives were to develop, test and demonstrate technical procedures and determine thefinancial feasibility of transferring remote setting technology from the Pacific Northwestmolluscan shellfish industry to the hard clam aquaculture industry in Florida. (PDF has 44 pages.)
    Keywords: Management ; Fisheries ; Aquaculture ; Florida ; hard clam ; Mercenaria mercenaria ; seeding ; fisheries ; aquaculture
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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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    Recreational anglers' valuation of near-shore marine fisheries in Florida (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2553 | 3 | 2011-09-29 18:52:47 | 2553 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-25
    Description: This report describes and summarizes the results from a state-wide survey of Floridaresident saltwater anglers. The survey was designed to provide estimates of the economic valueanglers place on marginal changes in management of selected near-shore marine species.The Contingent valuation method was used to elicit angler willingness to pay for changesin management for redfish, seatrout , mullet, sheepshead, pompano. and king mackerel.Contingent valuation is a process in which respondents are presented with a detailed scenario thatdescribes an opportunity to express their willingness to pay for a proposed change in currentconditions. The process consists of three parts. First. the change in current conditions, or the"good" to be valued is described. Second, the payment method is described. The paymentmethod is usually closely related to typical methods of buying goods similar to the one to bevalued. Finally. the respondent is asked how much they would pay for the good described inthe scenario. A special saltwater fishing license stamp that would allow the holder to takeadvantage of the described management change was used as a payment mechanism. (PDF contains 147 pages.)
    Keywords: Management ; Fisheries ; receational fishing ; Florida ; marine fisheries ; economics ; management
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    Aquaculture and marketing of the Florida Bay Scallop in Crystal River, Florida (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2550 | 3 | 2011-09-29 18:52:23 | 2550 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-25
    Description: The overall goal of this study was to develop a new fishery resource product through open-wateraquaculture for the west coast of Florida that would compete as a non-traditional product through marketdevelopment. Specific objectives were as follows:I. To grow a minimum of 50, 000 juvenile scallops to a minimum market size of40 mm in a cageand float system in the off-shore waters of Crystal River, Florida.2. To determine the growth rate, survival, and time to market size for the individuals in this systemand area to other similar projects like Virginia.3. To introduce local fishermen and the aquaculture students at Crystal River High School to thehatchery, nursery, and grow-out techniques.4. To determine the economic and financial characteristics of bay scallop culture in Florida andassess the sensitivity of projected costs and earnings to changes in key technical, managerial, andmarket related parameters.5. To determine the market acceptability and necessary marketing strategy for whole bay scallopproduct in Florida. (PDF has 99 pages.)
    Description: Final report on Project RlLR·A·20
    Keywords: Aquaculture ; Biology ; Florida Bay Scallops ; Crystal River ; Florida ; aquaculture ; marketing ; Argopecten irradians
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    Striped bass in Florida (2021)
    Florida State Board of Conservation Marine Laboratory | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/306 | 3 | 2011-09-29 22:15:58 | 306
    Details
    Publication Date: 2021-06-28
    Description: The occurence of striped bass, Roccus saxatilis, in northwestand northeast Florida has been noted by many groups and individuals. Whilethe animal is occasionally taken by commercial gear or more frequently, byhook and line, the fishery is not stable or continuing. Periodic requestsare received by state agencies concerning the scarcity of bass in certainareas or the introduction of bass into water systems where they are notabundant or maintaining their numbers. This report attempts to describe inbrief form the biology of the animal and list the information that groupsinterested in increasing the abundance of striped bass should know. (13pp.)
    Description: Reissued September 1968.
    Keywords: Fisheries ; Biology ; striped bass ; Roccus saxatilis ; Florida
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    A methodology for measuring the wind drag coeeficient on coastal dune vegetation: a study on seaoats (Uniloa paniculata) (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/469 | 3 | 2020-08-24 03:07:24 | 469 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: Current plant canopy wind flow models require three aerodynamic parametersto predict the effects of wind on sand transport--the plant drag coefficient, Cd, the leafarea density profile, LAD, and the turbulent eddy transfer coefficient, 6,. The LADand Cd characterize the plant canopy and its effects on air flow and, prior to thisstudy, data on these parameters for dune vegetation did not exist. The purpose of thisstudy was to design and test a methodology for measuring the wind drag coefficient ofcoastal dune plants. The objectives were 1) to measure and record the parametersneeded to calculate Cd, namely, the force, relative velocity and air temperature; 2) tomeasure the leaf area density of sea-oats; 3) to validate the method by measuring thequantities needed to compute the drag coefficient for a right circular data exists; and 4) to explore the Reynolds number dependence of the canopy dragcoefficient. (This document has 76 pages.)
    Description: Masters
    Description: UFL/COEL/92/017
    Keywords: Engineering ; Environment ; sea oats ; Uniola paniculata ; aerodynamic drag ; winds ; coastal vegetation
    Repository Name: AquaDocs
    Type: thesis
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    Wave data summary: Hollywood Beach, Florida, January 1990 to May 1992 (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/468 | 3 | 2020-08-24 02:57:37 | 468 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: The following report presents wave data collected at two near shore locations off Hollywood Beach, Florida beginning inJanuary 1990 and ending May 1992. The methods used to collect and analyze the data are also presented. Significant waveheight, peak wave period, and peak wave direction are presented in time series plots, and summarized monthly in tables.Appendices include the time series plots, wave roses of each deployment period, an overall wave rose for each site and adiskette of the data in ASCII format. (Document has 68 pages; diskette lacking.)
    Keywords: Oceanography ; Engineering ; waves ; Florida ; Hollywood Beach
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    Andrew versus Hugo - damages to residential communities (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/473 | 3 | 2020-08-24 02:58:47 | 473 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: Hugo and Andrew were two of the most costly hurricanes to hit the United States in recordedhistory. They occurred within a time of three years in 1989 and 1992, respectively. The levelsof damage were disproportionately high when compared with past hurricanes of comparablestrength. Residential communities, in particular, were most severe. This report documents andcompares the nature and causes of structural damages inflicted by these two events.The damage nature was found to be very different. Hugo inflicted very severe water damage onresidential structures along the coastal belt spreading over one hundred miles in length. Damageby Andrew, on the other hand, was almost exclusively caused by high wind intensity.Accordingly, the structural damage modes were quite different. A case of reversing the roles ofHugo and Andrew was examined to call attention to the potential hazard of coastal communities. (Document has 70 pages.)
    Description: Florida Sea Grant College
    Keywords: Atmospheric Sciences ; hurricanes ; damage ; Florida ; Hurricane Hugo ; Hurricane Andrew
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    Harvest and identification of peeler crabs (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/414 | 3 | 2020-08-24 02:47:18 | 414 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-29
    Description: Peeler crabs are simply hard shell blue crabs (Callinectes sapidus) that show signs of molting.The molting process, commercially called shedding, is when the hard shell is cast off and the new soft shellemerges. In the soft condition, the shell expands to a larger size before rehardening. Peeler crabs is the termgiven to blue crabs that are in a pre-molt stage. Identification of pre-molt crabs is the key to the success of softshell crab operations since prolonged time in a shedding facility increass the chance of mortality, requiresfeeding, decreases water quality and increases operating costs. (2pp.)
    Keywords: Fisheries ; Blue crabs ; Callinectes sapidus ; fisheries ; Florida
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    Biology and fishery of Florida's commercial sponges (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/422 | 3 | 2020-08-24 02:48:07 | 422 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-29
    Description: This fact sheet gives information on the biology and commercial value of sponges found in Florida. Five species in Florida are harvested commercially.Three of these, sheepswool sponge, yellow sponge, and thegrass sponge are the primary marketed sponges. (2pp.)
    Keywords: Fisheries ; Biology ; sponge fisheries ; Florida ; sheepswool sponge ; yellow sponge ; grass sponge
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    Since the net ban: changes in commercial fishing in Florida (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/423 | 3 | 2020-08-24 02:48:22 | 423 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-06-29
    Description: In November 1994, Amendment Three of theFlorida Constitution, otherwise known as the netban, was approved by voter referendum. Thisamendment made it unlawful to use entangling nets(i.e., gill and trammel) in Florida's waters. The useof other forms of nets, such as seines, cast nets, andtrawls, was restricted, but not totally eliminated.The primary species of finfish landed with entanglingnets included striped mullet, spotted sea trout,Spanish mackerel, sheepshead, pompano and bluefish.About two dozen species tend to school inshallow water which made the use of gill and trammelnets an efficient harvesting method. This fact sheet indicates some of the measured changes that have occurred.(3pp.)
    Keywords: Fisheries ; net fishing ; Florida ; bans ; fisheries
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    Florida’s Shad and River Herrings (Alosa species): a review of Population and Fishery Characteristics (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/118 | 3 | 2011-09-29 22:33:04 | 118 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: Of the six shad and river herring species (Clupeidae:Alosa species) found in North America, five occur inFlorida (Figure 1), more than in any other state in theU.S. These species, with one possible exception, areanadromous (i.e., they move from salt water to freshwater to spawn). On Florida’s Atlantic coast, there arethree species: American shad (Alosa sapidissima), hickoryshad (A. mediocris), and blueback herring (A.aestivalis). Two species are present on Florida’s gulfcoast: Alabama shad (A. alabamae) and skipjack herring(A. chrysochloris).The Atlantic species range northwardfrom Florida to as far as Canada, and the gulf speciesrange westward to Louisiana. This document summarizes information about Florida’s populations of Alosa speciesand discusses the status and trends of those populations. (26pp.)
    Keywords: Management ; Fisheries ; shad ; herring ; life histories ; Florida
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    State of Florida Conservation Plan for Gulf Sturgeon (Acipenser oxyrinchus desotoi) (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/119 | 3 | 2011-09-29 22:33:10 | 119 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: Gulf sturgeon are anadromous. They spend thecooler months (October or November through Marchor April) in estuarine or marine habitats, where theyfeed on benthic organisms such as isopods, amphipods,lancets, molluscs, crabs, grass shrimp, and marineworms (Mason and Clugston, 1993). In the spring, gulfsturgeon return to their natal river, where the sexuallymature sturgeon spawn, and the population spendsthe next 6–8 months there (Odenkirk, 1989; Foster,1993; Clugston et al., 1995; Fox et al., 2000). The conservation plan detailed in this documentwill be used to aid recovery of gulf sturgeon populationsthroughout the state of Florida and could be amodel for other gulf states to use. (106pp.)
    Keywords: Conservation ; Biology ; Gulf Sturgeon ; Acipenser oxyrinchus desotoi ; Florida ; recovery plan
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    Scarring of Florida’s seagrasses: assessment and management options (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/114 | 3 | 2018-10-14 23:24:04 | 114 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: Management programs that address scarringof seagrasses should be based on an approach thatinvolves (1) education, (2) channel marking,(3) increased enforcement, and (4) limited-motoringzones. Aerial monitoring and photography ofthe managed area are essential in evaluating theeffectiveness of a program. Management programsthat use this multifaceted approach have beeninstituted by a few local governments and at severalstate parks. Initial results of the programsindicate that in some areas seagrass scarring hasbeen reduced but that in other areas emphasis mayneed to be increased on one or more of the componentsof the four-point approach. A statewidemanagement plan is needed to address the mostegregious scarring over large areas that may bedifficult to regulate at the local-government level.
    Description: Sargent, F.J., T.J. Leary, D.W. Crewz, and C.R. Kruer. 1995. Scarring of Florida’s seagrasses: assessment and management options. FMRI Tech. Rep. TR-1. Florida Marine Research Institute, St. Petersburg, Florida. 37 p. plus appendices.
    Keywords: Conservation ; Ecology ; Oceanography ; seagrasses ; Florida ; management
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    A review of the biology and management of horseshoe crabs, with emphasis on Florida populations (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/123 | 3 | 2018-10-15 02:51:58 | 123 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: In Florida, some horseshoe crabs are fished for eel bait, but they are fished principally by the marine-life industry, which collects the animals live for resale as aquarium, research, or educational specimens. The regulations for the horseshoe crab fisheries are developed by each state in compliance with the Atlantic States Marine Fisheries Commission (ASMFC) Horseshoe Crab Management Plan. This report was written to provide information on the biology,stock status, and management of horseshoe crabs andthe implications relevant to the request for an increasedbag limit by harvesters in the marine-life industry.
    Keywords: Fisheries ; horseshoe crabs ; Limulus polyphemus ; Florida ; fisheries
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    Mercury Levels in Marine and Estuarine Fishes of Florida 1989–2001. 2nd edition revised (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/120 | 3 | 2011-09-29 22:33:26 | 120 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: The Florida Fish and Wildlife Conservation Commission’s Florida Marine Research Institute (FWC-FMRI) hasexamined total mercury levels in muscle tissue from a variety of economically and ecologically important speciesas part of an ongoing study to better understand mercury contamination in marine fishes.The FWC-FMRI MercuryProgram is one of the most comprehensive programs in the United States for monitoring mercury levels inmarine and estuarine fishes. Because mercury, a toxic metallic element, has been shown to bioaccumulate in fishtissue, humans consuming fish can potentially consume significant levels of mercury.We examined the concentrationof total mercury in 6,806 fish, representing 108 species from 40 families. Species represented all major trophicgroups, from primary consumers to apex predators.The majority of individuals we examined contained low concentrationsof mercury, but concentrations in individual fish varied greatly within and among species. Specieswith very low mean or median mercury concentrations tended to be planktivores, detritivores, species that feedon invertebrates, or species that feed on invertebrates and small fish prey.Apex predators typically had the highestmercury concentrations. In most species, mercury concentration increased as fish size increased. Samplingin Florida waters is continuing, and future research relating mercury levels to fish age, feeding ecology, and thetrophic structure of Florida’s marine and estuarine ecosystems will help us better understand concentrations ofthis element in marine fishes. (64pp.)
    Keywords: Pollution ; Fisheries ; Biology ; mercury ; Florida ; fishes
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    A Regional Assessment of Florida Manatees (Trichechus manatus latirostris) and the Caloosahatchee River, Florida (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/121 | 3 | 2011-09-29 22:33:29 | 121 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: (58pp.)
    Description: Series title change begins with no. 10 from Florida Marine Research Institute Technical Report to Fish and Wildlife Research Institute Technical Report.
    Keywords: Conservation ; Biology ; Caloosahatchee River ; Florida ; Florida Manatees ; Trichechus manatus latirostris
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    Checklists of selected shallow-water marine invertebrates of Florida (2021)
    Florida Marine Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/124 | 3 | 2018-11-05 15:48:20 | 124 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-06-26
    Description: The initial draft of this list was based, in part, on information in American Seashells, second edition (Abbott,1974) and on lists of mollusks prepared by the Councilof Systematic Malacologists and the American MalacologicalUnion for the American Fisheries Society (Turgeon et al., 1988; Turgeon et al., 1998).The Florida list was created by selecting from those larger lists the estuarine and marine species known from eastern North America and then by reducing that set of names, first by deleting the names of species not known from Florida and then by deleting the names of several hundred species known only from intermediate and deepwater regions of the continental shelf off Florida.
    Keywords: Biology ; invertebrate ; Florida ; shallow-water
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    The role of wave and current forcing in the process of barrier island overwash (2021)
    University of Florida, Coastal and Oceanographic Engineering Department
    In:  http://aquaticcommons.org/id/eprint/470 | 3 | 2020-08-24 03:08:32 | 470 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: With the rapid growth and development of barrier islands, understanding the long-termstability of these islands is an integral part of future coastal planning. The overwash process isthe largest influence on the long-term stability of these islands and thus a correspondingunderstanding is of major importance. A laboratory experiment was undertaken to physicallymodel the wave and current forcing as they pertain to the overwash process. The physical modelwas subjected to various storm conditions common to the occurrence of the overwash.Combinations of wave height, wave period, and overwash depth were tested in an attempt toisolate the significant parameters. Water surface gradients were also applied to observe theirinfluence on the overwash process. Wave height, current, and bed profile measurements weretaken at different locations throughout the tank. In addition, wave height transformationmodeling and mean current prediction were performed and compared to the laboratory results inan attempt to model the overwash process through computer simulations.The experimental results demonstrate that the water surface gradient is the mechanismfor transporting large quantities of sand on to and over barrier islands. In addition, two otherconclusions were drawn about the overwash process: 1) the overwash depth plays an importantrole in determining the overwash velocity and hence the amount of sand deposited on the barrierisland. 2) There seems to exist a correlation between the strength of the return flow and barformation.It was also determined that modeling the wave height transformation during the overwashprocess is possible if the model is expressly written for the overwash process and not for nonoverwashingcases. The method utilized to predict the mean currents during overwash was notable to predict their strength but was able to substantiate the correlation between return flow andbar formation. As a result of overwash, the increased shoreward mass transport and reducedreturn flow in the water column are able to initiate and sustain a shoreward sediment transport.Finally, it was concluded that in all likelihood only "significant" overwash events affect the longtermstability of the barrier islands.
    Description: Masters
    Description: UFL/COEL/92/018
    Keywords: Oceanography ; Engineering ; Earth Sciences ; barrier islands ; overwash ; modeling ; beach erosion ; ocean waves
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    Type: thesis
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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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    Turbidity data: Hollywood Beach, Florida, January 1990 to April 1992 (2021)
    University of Florida, Coastal and Oceanographic Engineering Department | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/474 | 3 | 2020-08-24 02:59:04 | 474 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-06-29
    Description: This data report contains measurements of turbidity obtained near Hollywood,Florida, during the period of January 1990 to April 1992. Data were obtainedwithin one meter of the seabed in depths of 5 m and 10 m. Turbidity was found tovary significantly under natural conditions, with values during storms sometimesexceeding 29 NTU. Tables and plots of turbidity data are presented. (Document contains 77 pages.)
    Description: Florida Sea Grant College Program
    Keywords: Oceanography ; Engineering ; beach nourishment ; Hollywood ; Florida ; turbidity
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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
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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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
    Details
    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
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 262
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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
    Repository Name: AquaDocs
    Type: monograph
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