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4.9. SR 01-03-2017
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4.9. SR 01-03-2017
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SR
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1/3/2017
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IPaC Trust Resources Report <br />Wetlands <br />Wetlands in the National Wetlands Inventory <br />Impacts to NWI wetlands and other aquatic habitats may be subject to regulation under <br />Section 404 of the Clean Water Act, or other State/Federal statutes. <br />For more information please contact the Regulatory Program of the local U.S. Army <br />Corps of Engineers District. <br />DATA LIMITATIONS <br />The Service's objective of mapping wetlands and deepwater habitats is to produce reconnaissance level information <br />on the location, type and size of these resources. The maps are prepared from the analysis of high altitude imagery. <br />Wetlands are identified based on vegetation, visible hydrology and geography. A margin of error is inherent in the use <br />of imagery; thus, detailed on -the -ground inspection of any particular site may result in revision of the wetland <br />boundaries or classification established through image analysis. <br />The accuracy of image interpretation depends on the quality of the imagery, the experience of the image analysts, <br />the amount and quality of the collateral data and the amount of ground truth verification work conducted. Metadata <br />should be consulted to determine the date of the source imagery used and any mapping problems. <br />Wetlands or other mapped features may have changed since the date of the imagery or field work. There may be <br />occasional differences in polygon boundaries or classifications between the information depicted on the map and the <br />actual conditions on site. <br />DATA EXCLUSIONS <br />Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial <br />imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged <br />aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and nearshore coastal waters. <br />Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. <br />These habitats, because of their depth, go undetected by aerial imagery. <br />DATA PRECAUTIONS <br />Federal, state, and local regulatory agencies with jurisdiction over wetlands may define and describe wetlands in a <br />different manner than that used in this inventory. There is no attempt, in either the design or products of this <br />inventory, to define the limits of proprietary jurisdiction of any Federal, state, or local government or to establish the <br />geographical scope of the regulatory programs of government agencies. Persons intending to engage in activities <br />involving modifications within or adjacent to wetland areas should seek the advice of appropriate federal, state, or <br />local agencies concerning specified agency regulatory programs and proprietary jurisdictions that may affect such <br />activities. <br />This location overlaps all or part of the following wetlands: <br />Freshwater Emergent Wetland <br />PEM1A <br />PEM1 B <br />PEM <br />PEM1 F <br />Freshwater Forested/shrub Wetland <br />9/2/2016 2:01 PM IPaC v3.0.8 Page 6 <br />
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