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USGS - science for a changing world


The Aquatic Gap Program is an element of the overall USGS Gap Analysis Program, focusing on species found in coastal and inland waters. The goal of the National Aquatic GAP is to evaluate aquatic biological diversity and aquatic habitats using spatial analysis and habitat suitability models to identify gaps in species distribution and work toward more effective conservation prioritization. The Aquatic GAP analysis process, while still in progress in many regions of the United States, has already produced a large amount of modeled fish, crayfish and mussel distribution data for certain regions.

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  • USGS Gap Analysis Program (GAP)




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