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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...
Identifying the leading edge of a biological invasion can be difficult. Many management and research entities have biological samples or surveys that may unknowingly contain data on nonindigenous species. The new Nonindigenous Aquatic Species (NAS) Database automated online tool “SEINeD” (Screen and Evaluate Invasive and Non-native Data) will allow a user to search for these nonindigenous occurrences at a push of a button. This new tool will enable stakeholders to upload a biological dataset of fishes, invertebrates, amphibians, reptiles, or aquatic plants collected anywhere in a U.S. State or Territory and screen that data for non-native aquatic species occurrences. In addition to checking for the nativity of species...