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|Vegetative study at the Duck Field Research Facility, Duck, North Carolina
|Levy, Gerald F.
Duck Field Research Facility
Duck, North Carolina
|Coastal Engineering Research Center (U.S.)
Engineer Research and Development Center (U.S.)
|Miscellaneous report (Coastal Engineering Research Center (U.S.)) ; no. 76-6.
Abstract: A vegetative study of the Duck Field Research Facility of the U.S. Army Coastal Engineering Research Center, at Duck, North Carolina, was conducted from March 1974 through June 1975. A vegetation map of this area was prepared using aerial infrared photographs and ground-truth surveys. Eleven different plant communities were delimited. Adequate stratified random sampling of these communities produced frequency and biomass data for 10 of the communities and frequency and density data for the eleventh community. Biomass data were obtained using the clip quadrat method. Ordination techniques confimed the distinctiveness of the foredune, wetland, oceanside shrub, sound-side shrub, and sound-side disturbed communities. The remaining six communities were floristically similar but quantitatively distinct. Two of these latter communities appear natural while the remaining four are manmade. The natural communities were designated low dune grass and oceanside intershrub communities. The beachgrass and bitter panicum communities were deliberately established. The spurge-sandgrass and sandgrass-buttonweed communities were affected by sandgrass planting and fertilization. Perrnanent plots were located and mapped in each of the designated community types. Floristic collections made throughout the study period revealed a flora of approximately 178 species in 132 genera representing 58 families.
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