NAS Graphs and Charts


The following graphs are derived from the NAS database. Data includes species that did not persist (including single individuals). Introduced status is defined by drainage not by state.
The graphs are interactive, meaning you can click on a bar or a pie slice and see the data behind that depiction.

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Take Pride in America logoU.S. Department of the Interior | U.S. Geological Survey
URL: https://nas.er.usgs.gov
Page Contact Information: Pam Fuller - NAS Program (pfuller@usgs.gov)
Page Last Modified: Thursday, March 31, 2011

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2017]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/24/2017].

Additional information for authors