A single juvenile coho salmon.
A single juvenile coho salmon. Climate change has led to earlier spring blooms for wildflowers and ocean plankton but the impacts on salmon migration are more complicated, according to new research. In a new study, published in the journal Nature, Ecology & Evolution , Simon Fraser University (SFU) researcher Sam Wilson led a set of diverse collaborators from across North America to compile the largest dataset in the world on juvenile salmon migration timing. The dataset includes 66 populations from Oregon to B.C. to Alaska. Each dataset was at least 20 years in length with the longest dating back to 1951. Only wild salmon, and not salmon from hatcheries, were included. Sam Wilson, a postdoctoral researcher in the Salmon Watersheds Lab at SFU and lead author on the review, says, -Field scientists from many different organizations work really hard to collect data on the migration of smolts, day after day, year after year.
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