Compensating for Wetland Losses Under the Clean Water Act (2001) / Chapter Skim
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Appendix B: Case Studies
Appendix B: Case Studies
Pages 199-210
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From page 199... ...
consisting of abandoned agricultural land that is surrounded by Everglades National Park land with its native vegetation (Doren 1997, ENP 1998~. Recently acquired by the park, this tract is being rid of its monotypic exotic vegetation through a massive and intensive eradication program that involves removal of the exotic trees, their roots, and the soil, then allowing the native wetland vegetation to reestablish itself.
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200 APPENDIX B ability of Schinus terebinthifolius to establish and expand following agriculture: (1) abandonment and exposure of an artificial soil and (2)
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per year. The current marl prairie restoration program is conducted with mitigation funds that result from a cooperative program involving Everglades National Park, Dade County, the Florida Department of Environmental Protection, and the U.S.
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The mitigation area was then extensively planted with tree, shrub, and herbaceous riparian plant species to create four plant associations, including streamside, floodplain, valley oak forest, and slope communities. The monitoring plan for the mitigation site called for measurement of various site parameters over a 15-year period to track the success of the site and its overall status.
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It was designed to provide riparian woodland habitat common to California's Santa Clara Valley, as partial replacement for riparian habitat impacts on nine creeks along the proposed State Route 85 corridor. The Coyote Creek mitigation site is located near U.S.
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Mitigation Monitoring Parameters and Success Criteria The mitigation monitoring plan established short- and long-term success criteria, including percent survival and percent cover (H.
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Actions implemented to respond to the September 1993 monitoring results included weed control, mulch application, installation of foliage protectors, erosion control remedial measures, installation of groundwater monitoring systems, and insect/rodent abatement. Mitigation Monitoring and Site Development Due to funding and contracting issues associated with the California Department of Transportation, mitigation monitoring reports for 1994,
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The report recommended that field observation with documented field notes and photographs be used to monitor flow frequency and stability of the diversion channel. The monitoring report also noted that the diversion channel did not receive water from Coyote Creek throughout the monitoring period from spring through fall of 1997 (California Department of Transportation 1997~.
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Further, it was recommended in the monitoring report that only the percent cover criterion be evaluated in future reports since the "other vegetative parameters do not contribute information to the trend for percent cover which is the long-term success criterion for the site" (California Department of Transportation 2000~. It was also recommended that the length of sampling be reduced such that all monitoring would be concluded by year 10 (2003)
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Development and implementation of basinwide wetland and riparian restoration plans for each of the state's 17 river basins was a statutory mandate of the program. A key component of the basinwide approach is development of local watershed plans (LWPs)
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An applicant may satisfy compensatory wetland mitigation requirements by the following actions, provided those actions are consistent with the basinwide restoration plans and also meet or exceed the requirements of the Corps: payment of a fee established by DENR into the Wetlands Restoration Fund (WRF) ; donation of land to the Wetlands Restoration Program (WRP)
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The Basinwide Wetlands and Riparian Restoration Plan contains the following information: a statement of the restoration goals for each river basin; a map of each priority subbasin showing water-quality information, watershed boundaries, and land cover by type (agricultural, forested, or developed) ; a narrative overview of the river basin, including general information on existing water-quality-related problems; summary information on natural resources; descriptions of each priority subbasin; and data on wetland impacts.
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