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Articles 1 - 16 of 16
Full-Text Articles in Aquaculture and Fisheries
Using Gis Mapping Of The Extent Of Nearshore Rocky Reefs To Estimate The Abundance And Reproductive Output Of Important Fishery Species, Jeremy Claisse, Daniel Pondella, Jonathan Williams, James Sadd
Using Gis Mapping Of The Extent Of Nearshore Rocky Reefs To Estimate The Abundance And Reproductive Output Of Important Fishery Species, Jeremy Claisse, Daniel Pondella, Jonathan Williams, James Sadd
James Sadd
Kelp Bass (Paralabrax clathratus) and California Sheephead (Semicossyphus pulcher) are economically and ecologically valuable rocky reef fishes in southern California, making them likely indicator species for evaluating resource management actions. Multiple spatial datasets, aerial and satellite photography, underwater observations and expert judgment were used to produce a comprehensive map of nearshore natural rocky reef habitat for the Santa Monica Bay region (California, USA). It was then used to examine the relative contribution of individual reefs to a regional estimate of abundance and reproductive potential of the focal species. For the reefs surveyed for fishes (i.e. 18 …
Nesting Piping Plover And Least Tern On The Kansas River, William Busby, Daniel Mulhern, P. Gregory Kramos, David Rintoul, William Tuttle
Nesting Piping Plover And Least Tern On The Kansas River, William Busby, Daniel Mulhern, P. Gregory Kramos, David Rintoul, William Tuttle
Daniel Mulhern
A portion of the Kansas River in northeastern Kansas was surveyed by boat and air in 1996 and 1997 for nesting colonies of piping plover (Charadrius melodus) and least tern (Sterna antillarum). Both species were found breeding on sandbars at a total of five sites along a 30-km reach of the Kansas River. In 1996, at least two breeding pair of piping plovers and seven breeding pair of least terns were documented. In 1997, at least one pair of piping plovers and five pairs of least terns bred. These are the first known breeding records for the piping plover in …
Disease Will Limit Future Food Supply From The Global Crustacean Fishery And Aquaculture Sectors, G. Stentiford, D. Neil, E. Peeler, J. Shields, H. Small, T. Flegel, J. Vlak, B. Jones, F. Morado, S. Moss, J. Lotz, Lyric Bartholomay, D. Behringer, C. Hauton, D. Lightner
Disease Will Limit Future Food Supply From The Global Crustacean Fishery And Aquaculture Sectors, G. Stentiford, D. Neil, E. Peeler, J. Shields, H. Small, T. Flegel, J. Vlak, B. Jones, F. Morado, S. Moss, J. Lotz, Lyric Bartholomay, D. Behringer, C. Hauton, D. Lightner
Lyric Bartholomay
Seafood is a highly traded food commodity. Farmed and captured crustaceans contribute a significant proportion with annual production exceeding 10 M metric tonnes with first sale value of $40bn. The sector is dominated by farmed tropical marine shrimp, the fastest growing sector of the global aquaculture industry. It is significant in supporting rural livelihoods and alleviating poverty in producing nations within Asia and Latin America while forming an increasing contribution to aquatic food supply in more developed countries. Nations with marine borders often also support important marine fisheries for crustaceans that are regionally traded as live animals and commodity products. …
Assessment Of Oyster Shell Structural Properties For The Development Of 'Green' Composite Materials, Yuhchae Yoon, Andrew Mount, Douglas Hansen, Karolyn Hansen
Assessment Of Oyster Shell Structural Properties For The Development Of 'Green' Composite Materials, Yuhchae Yoon, Andrew Mount, Douglas Hansen, Karolyn Hansen
Karolyn Hansen
Abstract of Technical Paper Presented at the 101st Annual Meeting National Shellfisheries Association Savannah, Georgia March 22–26, 2009
Determining Winter Flounder Spawning Sites In Two Connecticut Estuaries, Eric Schultz, Jose Pereira, Peter Auster
Determining Winter Flounder Spawning Sites In Two Connecticut Estuaries, Eric Schultz, Jose Pereira, Peter Auster
Jose J Pereira
Winter flounder (Pseudopleuronectes americanus) come inshore during the late winter and early spring to lay their eggs in shallow bays and estuaries along the coast. Unlike most fish eggs, which are buoyant, these eggs are demersal and sink to the seafloor. This makes them vulnerable to burial from various types of natural and human caused disturbances (e.g., storms, mobile fishing gear, maintenance dredging). Our objective was to map spawning areas in two harbors and search for generalities among these sites that would allow us to predict where winter flounder might spawn in other areas. This would allow managers to avoid …
Likely Effectiveness Of Netting Or Other Capture Programs As A Shark Hazard Mitigation Strategy Under Western Australian Conditions, Daryl Mcphee
Daryl McPhee
No abstract provided.
Gonadal Cycle Of Northern Quahogs, Mercenaria Mercenaria (Linne, 1758), From Fished And Non-Fished Subpopulations In Narragansett Bay, Dora Marroquin-Mora, Michael Rice
Gonadal Cycle Of Northern Quahogs, Mercenaria Mercenaria (Linne, 1758), From Fished And Non-Fished Subpopulations In Narragansett Bay, Dora Marroquin-Mora, Michael Rice
Michael A Rice
To determine if population density in areas closed to fishing in Narragansett Bay is causing differences in the reproductive potential of the organisms, this study used two approaches to determine the reproductive condition of the animals. The first approach consisted in employing a gravimetric condition index (CI) to evaluate the general condition of quahogs from nine different sites, 3 sites open conditionally for fishing (conditional areas) and 6 sites closed to fishing. The second approach was a determination of gonadal index (GI) of a subset of the sample sites, by histological observation of gonadal tissue sections. Initial sampling included determination …
Patterns Of Life History And Habitat Use Of An Important Recreational Fishery Species, Spotfin Croaker, And Their Potential Fishery Implications, Jonathan Williams, Jeremy Claisse, Daniel Pondella, Lea Medeiros, Charles Valle, Michael Shane
Patterns Of Life History And Habitat Use Of An Important Recreational Fishery Species, Spotfin Croaker, And Their Potential Fishery Implications, Jonathan Williams, Jeremy Claisse, Daniel Pondella, Lea Medeiros, Charles Valle, Michael Shane
Daniel Pondella
Spotfin croakers Roncador stearnsii, a prized recreational catch, were collected throughout the Southern California Bight, primarily as bycatch from a long-term, scientific gill-net collection effort. The maximum otolith-based age in the present study was 24 years—14 years greater than in a previous scale-based aging study. Multiple models were used to estimate mean length at age, including models that utilize larvae as well as juveniles and adults, and the model selection results suggest sexual dimorphism in growth patterns. The juvenile and adult catch per unit effort reflected a clear pattern of habitat selectivity, with fish strongly preferring soft-bottom habitats. Catches …
El Niño Periods Increase Growth Of Juvenile White Seabass (Atractoscion Nobilis) In The Southern California Bight, Jonathan Williams, Larry Allen, Mark Steele, Daniel Pondella
El Niño Periods Increase Growth Of Juvenile White Seabass (Atractoscion Nobilis) In The Southern California Bight, Jonathan Williams, Larry Allen, Mark Steele, Daniel Pondella
Daniel Pondella
Studies of the impact of El Niño periods on marine species have usually focused on negative, highly visible eVects, e.g., decreasing growth rates or increasing mortality due to a decline in primary productivity in typically nutrient rich upwelling zones; but positive effects related to elevated water temperature are also known. This study examined how the growth rate of juvenile white seabass, Atractoscion nobilis, responded to changes in ocean temperature in an El Niño period (1997–1998) in the northern portion of the Southern California Bight, USA. Growth rates of juvenile white seabass during their first 4 years of life were …
Ecomorphology Of Plesiosaur Flipper Geometry, F. O’Keefe
Ecomorphology Of Plesiosaur Flipper Geometry, F. O’Keefe
F. Robin O’Keefe
The Plesiosauria is an extinct group of marine reptiles once common in mesozoic seas. Previous work on plesiosaur hunting styles has suggested that short-necked, large-headed animals were pursuit predators, whereas long-necked, small-headed animals were ambush predators. This study presents new data on the aspect ratios (ARs) of plesiosaur flippers, and interprets these data via comparison with AR in birds, bats and aircraft. Performance trade-offs implicit in AR variation are well-understood in the context of aircraft design, and these trade-offs have direct ecomorphological analogues in birds and bats. Knowledge of these trade-offs allows interpretation of variation in plesiosaur AR. By analogy, …
Development Of Co-Management Arrangements For Queensland: Stage 1 - Picking The Winners, Daryl Mcphee
Development Of Co-Management Arrangements For Queensland: Stage 1 - Picking The Winners, Daryl Mcphee
Daryl McPhee
No abstract provided.
Proceedings Of The Third Rhode Island Shellfish Industry Conference, Michael Rice, Elizabeth Gibbs
Proceedings Of The Third Rhode Island Shellfish Industry Conference, Michael Rice, Elizabeth Gibbs
Michael A Rice
Collections of various papers presented at the conference
Proceedings Of The Second Rhode Island Shellfish Industry Conference, Michael Rice, Deborah Grossman-Garber
Proceedings Of The Second Rhode Island Shellfish Industry Conference, Michael Rice, Deborah Grossman-Garber
Michael A Rice
Various papers from presentations at the conference
A Species Profile Of The Quahog In Rhode Island, Sheldon Pratt, Arthur Ganz, Michael Rice
A Species Profile Of The Quahog In Rhode Island, Sheldon Pratt, Arthur Ganz, Michael Rice
Michael A Rice
A compilation of shellfish management studies undertaken in Rhode Island in support of a Rhode Island quahog fishery management plan.
The Northern Quahog: The Biology Of Mercenaria Mercenaria, Michael Rice
The Northern Quahog: The Biology Of Mercenaria Mercenaria, Michael Rice
Michael A Rice
A general overview of the biology, fisheries and aquaculture of the northern quahog, Mercenaria mercenaria.
Proceedings Of The First Rhode Island Shellfish Conference, Michael Rice, Mary Grady, Malia Schwartz
Proceedings Of The First Rhode Island Shellfish Conference, Michael Rice, Mary Grady, Malia Schwartz
Michael A Rice
Papers from presentations at the conference