| snippet:
|
Occurrence of invasive freshwater mussels, including Quagga Mussels, Zebra Mussels, Golden Mussels and Undefined Dreissena sp. as documented by the USGS Nonindigenous Aquatic Species (NAS) database as of 6/17/2026. These data are published here for ease of use in efforts to prevent the introduction and spread of aquatic invasive species. For more information about these data and to access best available data directly from the authoritative source visit: https://nas.er.usgs.gov/taxgroup/Mollusks/default.aspx |
| summary:
|
Occurrence of invasive freshwater mussels, including Quagga Mussels, Zebra Mussels, Golden Mussels and Undefined Dreissena sp. as documented by the USGS Nonindigenous Aquatic Species (NAS) database as of 6/17/2026. These data are published here for ease of use in efforts to prevent the introduction and spread of aquatic invasive species. For more information about these data and to access best available data directly from the authoritative source visit: https://nas.er.usgs.gov/taxgroup/Mollusks/default.aspx |
| extent:
|
[[-122.10872,29.2532400000001],[-66.87515,54.9825500000001]] |
| accessInformation:
|
|
| thumbnail:
|
thumbnail/thumbnail.png |
| maxScale:
|
1.7976931348623157E+308 |
| typeKeywords:
|
["ArcGIS","ArcGIS Server","Data","Map Service","Service"] |
| description:
|
|
| licenseInfo:
|
|
| catalogPath:
|
|
| title:
|
Invasive Freshwater Mussel Occurrence _USGS NAS 2026 |
| type:
|
Map Service |
| url:
|
|
| tags:
|
["Aquatic Invasive Species"] |
| culture:
|
en-US |
| portalUrl:
|
|
| name:
|
Invasive_Freshwater_Mussel_Occurrence__USGS_NAS_2026 |
| guid:
|
4134AB8C-0325-46D8-B328-ACD21056D5BF |
| minScale:
|
0 |
| spatialReference:
|
GCS_WGS_1984 |