Nonnative Brook Trout Salvelinus fontinalis were introduced throughout western North America in the early and mid 1900s, resulting in populations that are difficult to eradicate and that often threaten native salmonids. Male YY Brook Trout (M_YY), created in the hatchery by feminizing XY males and then crossing them with normal XY males, comprise a novel approach to eradicating undesirable Brook Trout populations. If stocked M_YYBrook Trout survive and reproduce with wild females…Read more

The AFS’s Fish Management Chemicals Committee, in cooperation with the rotenone registrants and the U.S. Environmental Protection Agency, developed the 2nd edition of the Manual. The Manual is considered labeling and must be present along with the label at the project work site. The revised Manual contains four chapters, beginning with an expanded introduction that contains up-to-date information and references on the environmental fate, fish and wildlife toxicity, and public…Read more

There has been great progress during the past two decades in the understanding of the ocean ecology of Pacific salmon and their response to climate-induced changes in their ocean environment. This book is a comprehensive summary and interpretation of the research published on the ocean ecology of six species of Pacific salmon (Pink Salmon, Chum Salmon, Sockeye Salmon, Coho Salmon, Chinook Salmon, and Cherry Salmon), steelhead, and coastal Cutthroat Trout by researchers in Canada, Japan, Korea, Russia, and the United States. The book includes a summary…Read more