Filters: Extensions: Citation (X) > partyWithName: Jason B. Dunham (X)
Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > National CASC ( Show direct descendants )
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Abstract (from ScienceDirect): Rarity and life history traits inform multiple dimensions of intrinsic risk to climate and environmental change and can help systematically identify at-risk species. We quantified relative geographic rarity (area of occupancy), climate niche breadth, and life history traits for 114 freshwater fishes, amphibians, and reptiles in the U.S. Pacific Northwest. Our approach leveraged presence-only, publicly available data and traits-based inference to evaluate area of occupancy, climate sensitivity (i.e., climate niche breadth), and a Rarity and Climate Sensitivity (RCS) index of all species across multiple geographic extents, grain sizes, and data types. The RCS index was relatively stable...
Categories: Publication;
Types: Citation;
Tags: Area of occupancy,
Climate change,
Drought,
Drought, Fire and Extreme Weather,
Ectothermic vertebrates,
Abstract: Processes that influence habitat selection in landscapes involve the interaction of habitat composition and configuration and are particularly important for species with complex life cycles. We assessed the relative influence of landscape spatial processes and local habitat characteristics on patterns in the distribution and abundance of spawning steelhead ( Oncorhynchus mykiss), a threatened salmonid fish, across ~15,000 stream km in the John Day River basin, Oregon, USA. We used hurdle regression and a multi-model information theoretic approach to identify the relative importance of covariates representing key aspects of the steelhead life cycle (e.g., site access, spawning habitat quality, juvenile...
Categories: Publication;
Types: Citation;
Tags: Data Visualization & Tools,
Fish,
National CASC,
Rivers, Streams and Lakes,
Science Tools For Managers,
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