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Marine wetland boundary definition : evaluation of methodology

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https://ir.library.oregonstate.edu/concern/defaults/0c483p369

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  • With legislation to protect wetlands and current pressures to convert them to other uses, it is often necessary to accurately determine a wetland­-upland boundary. We investigated 6 methods to establish such a boundary based on vegetation. Each method was applied to a common data set obtained from 295 quadrats along 22 transects between marsh and upland in 13 Oregon and Washington intertidal wetlands. The multiple occurrence, joint occurrence, and five percent methods required plant species to be classified as wetland, upland, and non-indicator; cluster and similarity methods required no initial classification. Close agreement between wetland-upland boundaries determined by the 6 methods suggests that preclassification of plants and collection of plant cover data may not be necessary to arrive at a defensible boundary determination. Examples of each method and lists of indicator plant species for coastal California, Oregon, and Washington are provided .
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  • description.provenance : Approved for entry into archive by Digital Production(digitalproduc@gmail.com) on 2007-07-13T18:41:20Z (GMT) No. of bitstreams: 1 Marine_Wetland_ocr.pdf: 1835959 bytes, checksum: 87d3d2b5dff506898f1b54b84dd8a938 (MD5)
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