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A Method for Comparing the Precision of a Set of Age Determinations
An index of average percent error is a better estimate of the precision of age determinations than the conventional percent agreement method because it is not independent of the age of a species.KeyExpand
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The Forgotten Requirement for Age Validation in Fisheries Biology
Abstract A survey of 500 studies published between 1907 and 1980 that included estimates of fish age indicated that only 65% mentioned age validation or attempted to validate the ageing technique. InExpand
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Adult Biology of the River Lamprey (Lampetra ayresi) and the Pacific Lamprey (Lampetra tridentate) from the Pacific Coast of Canada
River lamprey (Lampetra ayresi) metamorphose in late July with downstream migration occurring in the following year from May to July. Once adults enter salt water they begin to feed immediately byExpand
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Evidence That Reduced Early Marine Growth is Associated with Lower Marine Survival of Coho Salmon
Abstract Coho salmon Oncorhynchus kisutch from the Strait of Georgia were used to test the hypothesis that slower growing fish in their first ocean year had lower survival over the late fall andExpand
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Pacific salmon production trends in relation to climate
Pink (Oncorhynchus gorbuscha), chum (O. keta), and sockeye salmon (O. nerka) represent approximately 90% of the commercial catch of Pacific salmon taken each year by Canada, Japan, the United States,Expand
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Ecosystems and Their Goods and Services
Follow this and additional works at: http://lib.dr.iastate.edu/ge_at_pubs Part of the Climate Commons, Environmental Indicators and Impact Assessment Commons, and the Systems Biology Commons TheExpand
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General Effects of Climate Change on Arctic Fishes and Fish Populations
Abstract Projected shifts in climate forcing variables such as temperature and precipitation are of great relevance to arctic freshwater ecosystems and biota. These will result in many direct andExpand
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An Overview of Effects of Climate Change on Selected Arctic Freshwater and Anadromous Fishes
Abstract Arctic freshwater and diadromous fish species will respond to the various effects of climate change in many ways. For wide-ranging species, many of which are key components of northernExpand
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Are multispecies models an improvement on single-species models for measuring fishing impacts on marine ecosystems?
We review the application of multispecies models as tools for evaluating impacts of fishing on marine communities. Four types of model are identified: descriptive multispecies, dynamic multispecies,Expand
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