New features of this product are currently in Beta Testing - please report any problems or make suggestions to oar.glerl.glansis@noaa.gov
GLANSIS Home, GLANSIS Search Portal

GLANSIS Map Explorer

Guidance on using this tool

This search interface is designed to provide direct access to the USGS NAS species database and allow species' locations to be easily compared with habitat layers provided by the Great Lakes Aquatic Habitat Framework or downloaded to your own GIS. You may select GLAHF layers, and scroll down to select species (up to 3 species may be displayed at once, select them sequentially).

Shore Class:
Depth:
Link to the Great Lakes Aquatic Habitat Framework page





Mapped Species (Click for USGS and GLANSIS factsheets)
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Mapping species, please wait...

Quick map species: Click any of the 'hot button' species below to plot their extent across the US Great Lakes and St. Lawrence states. If you would like to perform a search for a species in a specific area or collected at a certain time, click 'Start Over', select your search region and year below, and then click 'Search'.

Ctenopharyngodon idella
Grass Carp
Hypophthalmichthys molitrix
Silver Carp
Hypophthalmichthys nobilis
Bighead Carp
Mylopharyngodon piceus
Black Carp
Orconectes rusticus
Rusty Crayfish
Craspedacusta sowerbyi
Freshwater Jellyfish
Echinogammarus ischnus
Scud
Gammarus tigrinus
Amphipod
Bythotrephes longimanus
Spiny Waterflea
Cercopagis pengoi
Fishhook Waterflea
Bosmina coregoni
Water Flea
Dreissena polymorpha
Zebra Mussel
Dreissena rostriformis
Quagga Mussel
Neogobius melanostomus
Round Goby

Specific Species Search

Query for species, one-at-a-time, in the NAS database below. Results will be mapped above, and you may map up to 3 species at once, which will be indicated in the 'Species slot's above. Clear the map with the 'Start Over' button.

Each submitted query will generate its own set of tabulated results below. Copy and paste your tabulated results for each query to save your work.







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Georeferenced Report Data

Below are the results of your most recent query in comma delimited format. Copy, paste into a text editor, and save as 'insert_file_name.csv'. You should then be able to open it in your favorite spreadsheet program.

Associated References

Below are the references for the results of your most recent query in tab delimited format. Copy, paste into a text editor, and save as 'insert_file_name.txt'. You should then be able to open it in your favorite spreadsheet program.

This list may be incomplete. Be sure to click on the factsheet links directly below the map for potentially more references.