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d <br /> development proposed on a lot which contains or adjoins a wetland to provide a <br /> fence or other structural protection at the edge of the wetland buffer to minimize <br /> encroachment into and disturbance of the wetland and buffer area after <br /> construction. <br /> 2. The city may require the applicant to provide informational signs in conspicuous <br /> locations on the fence or near the wetland to identify the wetland as an <br /> environmentally sensitive area and the importance of maintaining it in a clean <br /> and undisturbed condition. Such signs shall meet the requirements for incidental <br /> signs as specified in Section 19.36 of the Everett Municipal Code. <br /> C. Increased Standard Wetland Buffer Width. The minimum buffer width stated in <br /> subsection A of this section shall be increased when the city finds, based upon a site- <br /> specific wetland analysis, that impacts on the wetland from a proposed development <br /> can only be mitigated by a greater buffer width. The standard wetland buffer width <br /> shall be increased: <br /> 1. When the wetland is used by salmonids, plant and/or animal species proposed or <br /> listed by the federal government or state as an endangered, threatened, rare, <br /> candidate, sensitive or monitored; or has critical or outstanding potential habitat <br /> for those species or has unusual nesting or resting sites such as heron rookeries <br /> or raptor nesting trees, and the increased buffer is necessary to protect such <br /> habitat; <br /> 2. When the adjacent land is susceptible to severe erosion and erosion control <br /> measures will not effectively prevent adverse wetland impacts; or <br /> 3. When the standard buffer has minimal or degraded vegetative cover that cannot <br /> be improved through enhancement; or <br /> 4. When the minimum buffer for a wetland extends into an area with a slope of <br /> greater than twenty-five percent, the buffer shall be the greater of: <br /> a. The minimum buffer for that particular wetland; or <br /> b. Twenty-five feet beyond the point where the slope becomes twenty-five <br /> percent or less. <br /> D. Standard Wetland Buffer Width Reduction. The planning director may, using <br /> Review Process II.C, reduce the standard wetland buffer width only when there has <br /> previously been substantial legal alteration of the wetland and/or buffer on the subject <br /> lot or adjoining lots. The planning director shall require buffer width averaging rather <br /> 2 <br />