Emergence trap set in the San Joaquin River to study newborn salmon

As part of the ongoing salmon restoration project on the San Joaquin River, biologists set up an emergence trap over a redd - a nest made of gravel where female salmon lay eggs - to catch and study newly hatched Chinook salmon.
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As part of the ongoing salmon restoration project on the San Joaquin River, biologists set up an emergence trap over a redd - a nest made of gravel where female salmon lay eggs - to catch and study newly hatched Chinook salmon.

San Joaquin River salmon make big gains, but don’t call it a comeback yet

November 22, 2018 02:02 PM