Tzacking young salmon's first moves in the ocean

摘要

Basic ocean conditions such as current directions and water temperature play a huge role in determining the behavior of young migrating salmon as they move from rivers and hit ocean waters for the first time, according to new research. The findings inform restoration policies and practices focused on boosting endangered salmon species in the US Pacific Northwest.The findings, from ecologists at the Department of Energy's Pacific Northwest National Laboratory, focus on a perilous period in the life of salmon. After their birth in fresh water, salmon migrate to the ocean, where they must quickly adapt to an environment unlike anything they've experienced before — deep water full of new predators, with strong currents and competition from all sides.