Island habitat: Islands are upland and/or high zone wetland habitats distinguished by their isolation and particular uses, and completely surrounded by water or wetlands.Examples are tidal flats, oyster beds, seagrass meadows, fishing reefs, clam flats, and freshwater aquatic plant beds. Aquatic habitat: Submerged habitats extending from near sea, river, or lake level down several feet. Types may range from bare ground to mature forest. Upland habitat: A broad category of terrestrial communities, characterized by vegetation not normally subject to inundation.These are most commonly tidal freshwater and saltwater marshes, relatively permanently inundated freshwater marshes, bottomland hardwoods, freshwater swamps, and freshwater riverine and lake habitats. Wetland habitat: This is a broad category of periodically inundated communities, characterized by vegetation that survives in wet (hydric) soils.Seven broad categories of beneficial uses have been identified, based on their functional use of dredged sediment at placement sites. Innovative beneficial uses appear to be unlimited, and over 1,300 cases of beneficial uses of disposal sites have been documented in North America alone. Beneficial Use Beneficial Use Categories (see USACE Engineer Manual 25 for more details)ĭredged sediment provides opportunities for a number of environmental, economic, and aesthetic beneficial uses.
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