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Full-Text Articles in Life Sciences
Feeding Success Of Harbor Seals In Relation To Hunting Technique At Whatcom Creek, Mackenna Newmarch
Feeding Success Of Harbor Seals In Relation To Hunting Technique At Whatcom Creek, Mackenna Newmarch
Scholars Week
Factors that influence hunting success of seals and sea lions are underrepresented in studies of animal behavior. This is a critical interaction to understand when evaluating the top-down effects of pinnipeds on endangered Pacific salmon (Oncorhynchus spp.). In the Pacific Northwest, harbor seals (Phoca vitulina) consume a very large number of individual salmon, species that are a valuable resource and the subject of costly restorative efforts. A salmon hatchery in Whatcom Creek estuary of downtown Bellingham, Washington, attracts harbor seals that prey on returning adult Pacific salmon. The convenient location and small size of the site allows consistent observation of …
Evaluation Of The Stream Function Assessment Methodology (Sfam) In Watersheds Of The Puget Sound Lowlands, Michelle Bahnick
Evaluation Of The Stream Function Assessment Methodology (Sfam) In Watersheds Of The Puget Sound Lowlands, Michelle Bahnick
WWU Graduate School Collection
Effective stream management requires identification of anthropogenic degradation effects on stream functioning. However, few stream assessment protocols aim to evaluate stream functions (i.e., ecosystem processes), integrate multiple disciplines, and combine stream reach assessment with landscape-level context. To address these shortcomings, several agencies in Oregon collaborated to develop the Stream Function Assessment Methodology (SFAM). However, SFAM has yet to be tested against established protocols and some SFAM metrics have no equivalent data sources outside of Oregon. I conducted SFAM (2015 draft version) on 36 stream reaches in Water Resource Inventory Area 8 in Washington State. I compared SFAM scores to commensurate …