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5.0 Environmental Analysis 5.1 Land Use <br />Avion Project SEIR <br />Page 5.1-4 <br />Plan was approved in March 1997 and covers approximately 206,000 acres within the City’s <br />jurisdictional boundary. The City, U.S. Fish and Wildlife Service (USFWS) and the California <br />Department of Fish and Wildlife have signed an MSCP Implementing Agreement that allows the City <br />to issue incidental take authorizations for “MSCP Covered” species. The MSCP identifies <br />approximately 57,000 acres as MHPA that is considered to be 90 percent conserved in order to <br />adequately preserve habitat for the MSCP covered species. <br />MHPA lands are those that have been included within the City’s MSCP Subarea Plan for habitat <br />conservation. These lands have been determined to provide the necessary habitat quality, quantity, <br />and connectivity to sustain the unique biodiversity of the San Diego region. MHPA lands are <br />considered by the City to be a sensitive biological resource. <br />MHPA lands once occurred over the majority of the project site. In 1998, the Subarea Plan EIR <br />evaluated whether the project site (Southeast Perimeter Parcel C) and several other perimeter <br />properties would impact the MHPA. As part of this subarea plan, an MHPA Boundary Line <br />Adjustment (BLA) was approved that reconfigured the MHPA boundary over the project site to <br />further exclude portions of the central ridge and lower flat land, while still including the canyons to <br />the east and west of the ridge. Approximately 18.97 acres of the project site are included within the <br />City’s MHPA as a result of the BLA approved for the Subarea Plan. <br />The MSCP Subarea Plan northern area has four general guidelines, none of which apply to the <br />project site. Land uses that are considered compatible with the objectives of the MSCP and which <br />are permitted uses in MHPA open space include: <br />• passive recreation; <br />• utility lines and roads (must adhere to MHPA construction and maintenance policies); <br />• limited water facilities and essential public facilities; <br />• limited low-density residential use; <br />• brush management zone-2; and <br />• limited agriculture. <br />For properties that are entirely within the MHPA, allowable development of up to 25 percent of the <br />site can occur. San Diego's MSCP Subarea Plan states that adjustments to the MHPA boundary line <br />are permitted without the need to amend San Diego's Subarea Plan, as discussed below. <br />a. Boundary Line Adjustment <br />An MHPA BLA may be requested by projects to move the MHPA boundary, as long as the adjustment <br />provides an equivalent MHPA. The MHPA BLA requires approval from the City and Wildlife Agencies. <br />For an MHPA BLA to be considered, it must meet six functional equivalency criteria to demonstrate <br />the habitat conveyed is of equal or higher value. The comparison of biological value must analyze <br />the following: <br />1. Effects on significantly and sufficiently conserved habitats (i.e., the exchange maintains or <br />improves the conservation, configuration, or status of significantly or sufficiently conserved <br />habitats);