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Sandbars of large sand-bedded rivers of the Central U.S. serve important ecological functions to many species, including the endangered Interior Least Tern (Sternula antillarum) (ILT). ILT are colonial birds which feed on fish and nest primarily on riverine sandbars during their annual breeding season of approximately May through July, depending on region. During this time, ILT require bare sand of sufficient elevation so as not to be inundated during the period between nest initiation and fledging of hatchlings. ILT were originally listed as endangered due in part to decreases in available sandbar habitat from river channelization and impoundment. Sandbars in Central U.S. rivers used by ILT are highly dynamic,...
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This dataset represents the producing, dry holes, wildcat wells and wells that have other well type categories other than the ones mentioned previously in Louisiana. These wells were used to create gas and oil field polygons. The field polygons include discovery data, number of producing wells in the field, average measured depth of those well, total gas and oil production from 1977-2014, gas oil ratio (GOR), and field type. Also, included is a table with historic gas and oil production from 1977-2014.
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Acadia, Allen, Ascension, Assumption, Avoyelles, All tags...


    map background search result map search result map Interior least tern sandbar nesting habitat measurements from Landsat TM imagery Louisiana Gas and Oil Fields with Cumulative Production from 1977 - 2014 Louisiana Gas and Oil Fields with Cumulative Production from 1977 - 2014 Interior least tern sandbar nesting habitat measurements from Landsat TM imagery