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Water levels, rapid vegetational changes, and the endangered Cape Sable seaside-sparrow

Animal Conservation

By:
, , , , , , , , , and

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Abstract

The legally endangered Cape Sable seaside-sparrow (Ammodramus maritimus mirabilis) is restricted to short-hydroperiod, marl prairies within Florida's Everglades National Park and Big Cypress National Preserve. Marl prairies are typified by dense, mixed stands of graminoid species usually below 1 m in height, naturally inundated by freshwater for 3-7 months annually. Water levels affect the birds directly, by flooding their nests, and indirectly by altering the habitat on which they depend. Managed redistribution of water flows flooded nearly half of the sparrow's geographical range during several consecutive breeding seasons starting in 1993. Furthermore, these high water levels rapidly changed plant communities, so jeopardizing the sparrow's survival by reducing the availability of nesting habitat.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Water levels, rapid vegetational changes, and the endangered Cape Sable seaside-sparrow
Series title:
Animal Conservation
Volume
1
Issue:
1
Year Published:
1998
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Animal Conservation
First page:
23
Last page:
32