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Disruptive selection for alternative life histories in salmon
Many salmon species include males which mature as much as 50% younger and as small as 30% of the adult body size of other males in the population1–8. In the semelparous Pacific salmon OncorhynchusExpand
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BREEDING COMPETITION IN A PACIFIC SALMON (COHO: ONCORHYNCHUS KISUTCH): MEASURES OF NATURAL AND SEXUAL SELECTION
In the breeding system of Pacific salmon, females compete for oviposition territories, and males compete to fertilize eggs. The natural selection in females and sexual selection in males likely hasExpand
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One species with two biologies: Atlantic salmon (Salmo salar) in the wild and in aquaculture
Today, over 94% of all adult Atlantic salmon (Salmo salar) are in the aquaculture niche and wild numbers continue to decline while aquaculture numbers increase. The developmental and evolutionaryExpand
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Breeding Success of Hatchery and Wild Coho Salmon (Oncorhynchus Kisutch) in Competition.
The divergence of hatchery fish in traits important for reproductive success has raised concerns about their ability to rehabilitate wild populations, and the threat that their inevitable strayingExpand
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Evolutionary consequences of fishing and their implications for salmon
We review the evidence for fisheries‐induced evolution in anadromous salmonids. Salmon are exposed to a variety of fishing gears and intensities as immature or maturing individuals. We evaluate theExpand
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EVOLUTION OF ADULT FEMALE LIFE HISTORY AND MORPHOLOGY IN A PACIFIC SALMON (COHO: ONCORHYNCHUS KISUTCH)
Female competition on the spawning grounds can generate strong natural selection on female coho salmon (Oncorhynchus kisutch). We examined the morphology and investment into egg production of 13 wildExpand
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Parental investment decision rules: a test in bluegill sunfish
SummaryWe review parental investment decision theory and provide an experimental test of the decision rule used by male bluegill sunfish (Lepomis macrochirus) in allocating parental investment toExpand
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Chinook salmon invade southern South America
We document the invasion of Chinook salmon (Oncorhynchus tshawytscha) to southern South America providing historical, current and future perspectives. We conducted field sampling, angler surveys, andExpand
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Predation and the evolution of colonial nesting in bluegill sunfish (Lepomis macrochirus)
Summary1.Male bluegill sunfish (Lepomis macrochirus) construct nests in densely packed colonies characterized by high breeding synchrony. Females deposit eggs in the nests and males alone provideExpand
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Canada's Species at Risk Act
Abstract Canadian salmon are now eligible for protection under a federal Species at Risk Act proclaimed in June 2003 and fully implemented in June 2004. The act has four major steps dealing withExpand
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