News tagged with fish population

What's cuing salmon migration patterns?

The spring-fed water that flows through Hansen Creek in southwestern Alaska is almost always clear. Its rate and temperature stay relatively constant throughout the year. Each summer, sockeye salmon migrate through the shallow, ...

dateMar 20, 2017 in Ecology
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Integrated approach vital for fisheries management

Evolutionary and ecological factors interact to influence the growth and size of fish, according to a new study published in the journal Proceedings of the National Academy of Sciences (PNAS). The study focuses on Northeast ...

dateDec 12, 2016 in Ecology
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How will salmon survive in a flooded future?

As torrential rain descends on the Pacific Northwest, new research published online in the journal Global Change Biology provides a glimpse of how salmon rivers might fare in a future with larger floods.

dateOct 17, 2016 in Ecology
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Group-navigating species may be vulnerable to collapse

Migrating birds flock together and salmon swim upstream in schools because there's a navigational advantage: By traveling in groups, individuals are more likely to get to their destinations – or so a growing body of research ...

dateJul 18, 2016 in Ecology
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Evolutionary split up without geographic barriers

A fundamental question in evolutionary research is: is a geographic barrier dividing the original population into two genetically separated populations required for the origin of new species? Or is so-called sympatric speciation ...

dateJul 05, 2016 in Evolution
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