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For thousands of years, Pacific lamprey and Pacific eulachon have been important traditional foods for Native American tribes of the Columbia River Basin and coastal areas of Oregon and Washington. These fish have large ranges – spending part of their lives in the ocean and part in freshwater streams – and they require specific environmental conditions to survive, migrate, and reproduce. For these reasons, Pacific lamprey and Pacific eulachon are likely threatened by a variety of climate change impacts to both their ocean and freshwater habitats. However, to date, little research has explored these impacts, despite the importance of these species to tribal communities. This project will evaluate the effects of...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2013,
Alaska,
Alaska CASC,
CASC,
Completed,
In this report we utilized statistical models and G.I.S-based approaches to analyze available life cycle, abundance and distribution data from the last 80 years on Pacific lamprey (Entosphenus tridentatus) and Pacific eulachon (Thaleichthys pacificus), and determine how climate change may potentially impact these species in the Columbia River basin. Both species have experienced substantial declines in this basin, and are in urgent need of protection and restoration. While data on these species have incomplete spatial and temporal coverage in this region, some inferences can be derived on possible adverse effects of climate change and subsequent impacts on persistence and resilience of populations. The quantified...
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