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Western United States Gray Wolf Least-Cost Habitat Centrality This layer represents least-cost (shortest-path) habitat centrality across potentiall suitable habitat for gray wolves in the Western United States. Here, least-cost centrality measures the relative role of a given portion of a potential movement path to facilitating movement of wolves across the landscape. Centrality metrics are based on graph theory. A graph is a set of nodes in which pairs of nodes can be connected by edges representing functional connections (e.g., dispersal) between the nodes. Edges can be assigned weights that represent attributes such as habitat quality. A sequence of nodes connected by edges forms a path. Landscape lattices are graphs in which every cell in a raster is treated as a node... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Canis lupus baileyi L, Endangered Species Act, circuit theory, conservation planning, least-cost distance, All tags... metapopulations, population viability, Fewer tags Database of Biodiversity, Habitat, and Aquatic Resource Quantification Tools Used for Market-based Conservation in the United States (ver. 2.0, June 2022) This comprehensive database describes the core attributes of quantification tools developed for market-based conservation in the United States. It encompasses tools designed for compensatory mitigation, non-compensatory mitigation, and voluntary conservation/restoration programs. The dataset consists of 107 tools. Each tool's features are described using 33 attributes related to general, technical, and ecological/geographic details. This database was first published in 2018. Version 2.0 expands upon the original database by including tools developed for compensatory mitigation under the Clean Water Act section 404 regulatory program. Version 2.0 also provides updates on tool details provided in the original database.... Categories: Data, Data Release - Revised; Tags: Aquatic resource, Assessment methodology, At-risk species, Biodiversity, Biodiversity market, All tags... Biodiversity offset, Clean Water Act section 404, Compensatory mitigation, Conservation, Conservation bank, Contiguous United States, Credit, Debit, Eco-label, Eco-label certification, Endangered species, Endangered species act, Functional acre, Habitat, Habitat assessment, Habitat exchange, Habitat market, Habitat quantification tool, Listed species, Market-based conservation, Mitigation credit, Mitigation lands, Natural resources, Payment for ecosystem services, Threatened species, U.S., USGS Science Data Catalog (SDC), United States, United States of America, Fewer tags