biological integrity
the capability of supporting and maintaining a balanced, integrated and adaptive community of organisms. The community is one that a natural habitat of a region would support

Dictionary of ichthyology. 2009.

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  • Biological integrity — is associated with how “pristine” an environment is and its function relative to the potential or original state of an ecosystem before human alterations were imposed. Biological integrity is built on the assumption that a decline in the values… …   Wikipedia

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  • Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… …   Wikipedia

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  • History of the National Wildlife Refuge System — The National Wildlife Refuge System in the United States has a long and distinguished history.Early years (1864 1920)By Executive Order of March 14, 1903, President Theodore Roosevelt established Pelican Island National Wildlife Refuge, along… …   Wikipedia

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