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05/08/17
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05/08/17
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These two options are offered as a starting point for regional decision-making. Any final policy will <br />need to take into account how current and predicted pressures affect the landscape. An initial <br />evaluation of the effect of both standards will give an indication how the local wetland manager can <br />adapt an individual strategy to maximize resource protection while retaining development benefits to <br />their community. Using GIS-mapping tools will be invaluable for this evaluation. <br />Using this system will classify a wetland into one of four categories: Preserve, Manage 1, Manage 2, <br />or Manage 3. The Preserve category is for exceptional and highest-functioning wetlands or those <br />sensitive wetlands receiving conveyed storm water runoff that have yet retained a medium level of <br />vegetative diversity/integrity. These wetlands are those that should be preserved in (or improved to) <br />their most pristine or highest functional capacity with wide, natural buffers, in perpetuity. In the <br />Manage 1 category are high-quality wetlands that should be protected from development and other <br />pressures of increased use, including indirect effects. Maintaining natural buffers will help to retain <br />the significant function these wetlands provide. In the event that impacts to these wetlands cannot be <br />avoided, replacement ratios for mitigation should exceed the state-required minimums. Manage 2 <br />wetlands provide medium functional levels and the wetland extent should be maintained. These <br />wetlands often provide optimal restoration opportunity. Manage 3 wetlands have been substantially <br />5 <br />disturbed; replacement considerations can be minimized after proper sequencing. <br />Using the Flowchart <br />The process can be followed in Figures 1.1 \[Basic Standard\] and 1.2 \[Increase Protection Standard\]. <br />Begin at the top and follow the arrows and numbered boxes through the diagram until all of the <br />wetlands have been placed in a management category. Find all wetlands that are classified as Critical <br />Resources, as described in Section 2.0; those wetlands are classified in the Preserve category. <br />Wetlands determined to not fit any of the Critical Resources categories are then classified into one of <br />the four management class groups. The suggested wetland management criteria that could be applied <br />to wetlands within each management class are provided in Table 1.1. <br /> <br />5 <br /> Replacement minimized down to a 1:1 ratio (in the counties with less than 50 percent of their historic <br />wetlands) or lower (in counties with more than 50 percent of their historic wetlands). <br />Management Classification 2 <br /> <br />
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