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Biology and Ecology

	name	description	type	publication date	metadata	download
	Bird Species	Wild bird species nesting and breeding in RI with their probable areas of distribution.		12/1996		s44nbs96.zip (0.1 MB) E00; birds.zip (0.1 MB) SHP
	Degraded Coastal Wetlands of Narragansett Bay	Internally degraded coastal wetland sites in Narragansett Bay delineated from 1996 true color aerial photography.		04/2003		nbdegrade_e00.zip (0.7 MB) E00; nbdegrade_shp.zip (0.5 MB) SHP
	Eelgrass (Line)	Eelgrass beds estuarine and marine wetlands in narragansett bay with feature attribute coding for wetlands and deepwater habitats to USFWS standards for beds less than 40 feet wide.		06/2000		s44nel99.zip (0.1 MB) E00; eelline.zip (0.1 MB) SHP
	Eelgrass (Polygon)	Eelgrass beds estuarine and marine wetlands in narragansett bay with feature attribute coding for wetlands and deepwater habitats to USFWS standards for beds greater than 40 feet wide.		06/2000		s44nep99.zip (1.3 MB) E00; eelpoly.zip (1.2 MB) SHP
	Natural Heritage Areas	Estimated habitat and range (polygons) of rare species and noteworthy natural communities in Rhode Island, August 1990 (Formerly titled "Rare Species".)		08/1990		natHeritage90.zip (0.2 MB) SHP
	Wetlands	Wetlands as interpreted from 1988 aerial photography to one quarter acre polygon resolution by Cowardin 16 classification scheme.		10/1993		s44wwt93.zip (20 MB) E00

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