Special Issue: Catfish 2020—the 3rd International Catfish Symposium
Papers from the third Catfish Symposium are out, compiled into their own special issue of 38 papers, focusing on these important species. Learn more about the expanding role of catfish as an invasive species as well as the ecology and conservation of native catfish. Check out today’s techniques and fisheries management strategies. Explore the trends in catfish science. What can we learn about changing ecosystems by studying catfish?
Population Genetics of Brook Trout in the Southern Appalachian Mountains
Broad-scale patterns of genetic diversity for Brook Trout Salvelinus fontinalis remain poorly understood across their endemic range in the eastern United States. What are the implications for the management and conservation of this important yet imperiled fish?
A Review of Nonprobability Sampling Using Mobile Apps for Fishing Effort and Catch Surveys
There has been great interest in using new methods for collecting fishing effort and catch data and much of that interest has been in using mobile apps and non-probability samples. Fishing effort and catch surveys affect the management of fisheries in some circumstances and high quality sampling methods are needed to rely on the estimates from these surveys
Combined otolith morphometry and microchemistry reveals the importance of estuaries as nursery grounds for the recovery of spring-spawning herrings in the St. Lawrence Estuary and Gulf
What We Don’t Know About the Effects of Temperature on Salmonid Growth
Bioenergetics models sometimes conflict with common assumptions researchers employ. In this featured paper, salmonid biologists, seeking to understand and predict effects of temperature, grapple with those contradictions.
A Review of Nonprobability Sampling Using Mobile Apps for Fishing Effort and Catch Surveys
The availability of new technology such as mobile apps has made using nonprobability samples more attractive because of the speed and low expense that are associated with this approach. We review how the use of nonprobability sampling using mobile apps affects the quality of inferences in fishing effort and catch surveys.
This featured paper highlights the application of high-resolution/broad-extent habitat modeling to a very real and topical problem: the need to prevent extinction of Central Valley spring-run Chinook Salmon via the reintroduction of populations to high-altitude habitats.
Farm-Level Cost Drivers of Salmonid Fish Health Inspections
The importance of fish health inspections in the U.S. has increased and, for a number of diagnostic laboratories, inspection testing has become an important source of revenue. However, state-by-state regulatory frameworks have led to a sometimes confusing array of varying requirements for fish farmers in terms of the required frequency of testing, sample sizes, and other requirements. In addition, U.S. fish farmers have increasingly reported increased compliance cost burdens on their farms.
Maximum Economic Yield and Nonlinear Catchability
Maximum economic yield (MEY) as derived from Schaefer’s (1957) bioeconomic model was potentially a major contribution to fishery management, but it has been hard to apply to fishery management in reality. Can MEY be the same as MSY? This paper shows that the answer can be a “Yes” or a “No.”
[Image Credit: Minling Pan]
This is the first comprehensive study of the recreational bay scallop fishery as well as the first comprehensive study using a combination of fishery-independent and fishery-dependent methods to evaluate the recreational harvest of bay scallops (Argopecten irradians ssp. concentricus Lamarck) in Florida.
[Image Credit: Carol Lyn Parrish]
After a 50 plus year absence, Sockeye Salmon were reintroduced into Skaha Lake, British Columbia. This project contributes to the vision of the Okanagan Nation Alliance to reconnect indigenous people to a historic salmon fishery to sustain food, social and cultural values.
[Image Credit: Tim Buss]
How do you achieve balance when managing conflicts between native species whose stakeholders may have philosophically differing values?
[Image credit: Idaho Department of Fish and Game]
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