Environmental Sensitivity Index (ESI) Threatened and Endangered Species GIS Services

Environmental Sensitivity Index (ESI) data characterize the marine and coastal environments and wildlife based on sensitivity to spilled oil. Coastal species that are listed as threatened, endangered, or as a species of concern, by either federal or state governments, are a primary focus. A subset of the ESI data, the ESI Threatened and Endangered Species (T&E) databases focus strictly on these species. Species are mapped individually. In addition to showing spatial extent, each species polygon, point, or line has attributes describing abundance, seasonality, threatened/endangered status, and life history. Both the state and federal status is provided, along with the year the ESI data were published. This is important, as the status of a species can vary over time. As always, the ESI data are a snapshot in time.

The biology layers focus on threatened/endangered status, areas of high concentration, and areas where sensitive life stages may occur. Supporting data tables provide species-/location-specific abundance, seasonality, status, life history, and source information. Human-use resources mapped include managed areas (parks, refuges, critical habitats, etc.) and resources that may be impacted by oiling and/or cleanup, such as beaches, archaeological sites, marinas, etc.

ESIs are available for the majority of the US coastline, as well as the US territories. ESI data are available as PDF maps, as well as in a variety of GIS formats.

For more information, go to http://response.restoration.noaa.gov/esi .

To download complete ESI data sets, go to http://response.restoration.noaa.gov/esi_download .

The T&E geodatabase comprise a subset of the original ESI data. They focus on the coastal species and habitats that are federally and/or state listed as endangered, threatened, protected, or as a species of concern. The T&E databases offer a more directed option for accessing some of the most critical biological information for a region.

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These data represent a snapshot in time and are not intended to include all biological resources present in an area. They should be used for a first assessment only. The data providers (listed in the original, atlas- specific metadata) are the experts with regard to individual resources. They should be contacted if you require more current and/or in-depth information about a particular resource.

Network Addresses are assigned individually by each region of interest.;

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DO NOT USE MAPS FOR NAVIGATIONAL PURPOSES. Besides the above warning, there are no use constraints on these data. Note that the ESI database should not be used to the exclusion of other pertinent data or information held by state or federal agencies or other organizations. Likewise, information contained in the database cannot be used in place of consultations with environmental, natural resource, and cultural resource agencies, or in place of field surveys. Recognize that the information contained in the ESI database represents known concentration areas or occurrences of natural, cultural, and human-use resources, but does not necessarily represent the full distribution or range of each species or resource. This is particularly important to recognize when considering potential impacts to protected resources, such as endangered species, wetlands, etc. Acknowledgment of the originators, publishers, contributors, and sources listed would be appreciated in products derived from these data.

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