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Quantifying Pacific Lamprey (Entosphenous Tridentatus) Ammocoete Habitat Availability And The Risk Associated With The Summer Hydrograph Recession Limb In Coastal Northern California, Katrina Clare Nystrom
Quantifying Pacific Lamprey (Entosphenous Tridentatus) Ammocoete Habitat Availability And The Risk Associated With The Summer Hydrograph Recession Limb In Coastal Northern California, Katrina Clare Nystrom
Cal Poly Humboldt theses and projects
Pacific lamprey (Entosphenus tridentatus) are an anadromous fish that evolved before dinosaurs and are critical to the Pacific coastal stream ecosystems and Native American cultures. Pacific lamprey are threatened by past natural resource exploitation (logging, mining, dams, and streamflow diversion) and climate change (warming temperature and changing precipitation regime). The lamprey larva, known as ammocoetes, live in fine sediment deposits in coastal streams for three to seven years. The objective of this research was to predict ammocoete habitat based on channel morphology in coastal Northern California, USA and explore the impact of streamflow diversions on their habitat. I …