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(7i: Biological Resources, MOND &ASSOCIATES Impacts and Mitigations Tracy Facility Expansion Site • result in the substantial reduction or alteration of special-status plant communities. These would include wetlands and other plant communities of local, State, or Federal interest because of limited distribution or other biological significance. r � i 13.1.2 WILDLIFE k Adverse impacts to wildlife resources are normally considered"significant"if the physical habitat disturbance or associated,human activity would: • substantially change the diversity or numbers of any species.of animal, or interfere with the survival, growth, or reproduction of a substantial proportion of a wildlife or fish population; • result in the introduction of new species of animals into an area; • substantially interfere with the movement of any resident or migratory animals; • result in,the substantial deterioration of existing regional wildlife habitat; • result in habitat modification or degradation that actually kills or injures wildlife by significantly impairing essential behavioral patterns,including breeding, feeding or sheltering. ' r 13.1.3 Ti-IREATENED OR ENDANGERED SPECIES , This criterion addresses abroad range of species designated as "special-status species"by local, State, or Federal agencies. Adverse impacts are considered significant if the project would: a • reduce the numbers of any unique,rare,threatened or endangered species of plants or animals; • result in the permanent loss of habitat essential for the continued existence of a species. 13.1.4 "WATERS OF THE UNITED STATES"AND/OR STEAM CHANNELS. 9 Pursuant to Section 404 of the Clean Water Act(33 U.S.C. 1344),the U.S. Army Corps of Engineers (Corps) regulates the disposal of dredged or fill material into "waters of the United, States" (33 CFR Parts 328 through 330). Any impacts to Corps regulated areas on a project site would be considered a significant adverse impact. Under Sections 1601-1603 of the California Fish and Game Code,CDFG regulates activities that divert,obstruct, or alter stream flow,or substantially modify the bed, channel, or bank of a stream or its riparian vegetation. Any proposed activity that would result in any of these modifications to a natural stream channel without prior authorization from CDFG would be considered a significant adverse impact. Y 26