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National Alert Risk Mapper for Nonindigenous Aquatic Species


The Nonindigenous Aquatic Species (NAS) Database and Alert System ( provides a framework for the rapid dissemination of new invasions as they are incorporated into the NAS Database. The system notifies registered users of new sightings of >1,330 non-native aquatic species as part of national-scale early detection and rapid response systems (EDRR), and in support of several federal programs: National Invasive Species Council, Aquatic Nuisance Species Task Force, and other Department of the Interior agencies. The NAS group has developed a new tool, the Alert Risk Mapper (ARM;, to characterize river reaches, lakes, and other waterbodies at potential [...]


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NAS Alert Risk Mapper
NAS Alert Risk Mapper


  • Community for Data Integration (CDI)



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