An Inventory of the Natural Areas of Dare County, North Carolina
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AN INVENTORY OF THE NATURAL AREAS OF DARE COUNTY, NORTH CAROLINA Bruce A. Sorrie Inventory Biologist North Carolina Natural Heritage Program Office of Land and Water Stewardship Department of Environment and Natural Resources Raleigh, NC Funding provided by the North Carolina Natural Heritage Trust Fund July 2014 Cover photograph: Buxton Woods, Maritime Shrub Swamp (Dogwood Subtype) taken by Bruce A. Sorrie. AN INVENTORY OF THE NATURAL AREAS OF DARE COUNTY, NORTH CAROLINA Bruce A. Sorrie Inventory Biologist North Carolina Natural Heritage Program Office of Land and Water Stewardship Department of Environment and Natural Resources Raleigh, NC Funding provided by the North Carolina Natural Heritage Trust Fund July 2014 ABSTRACT This inventory of the natural areas, biological communities, and rare species of Dare County was funded by the North Carolina Natural Heritage Trust Fund. The inventory identifies the most significant natural areas in the county, describes their features, and documents all natural communities and rare species of plants and animals associated with them. Habitat conditions, natural processes, and threats are also described. The inventory is intended to provide guidance for land use decisions by county, state, and federal governments, conservation and land management organizations, and interested citizens. Field work was carried out by Bruce A. Sorrie of the North Carolina Natural Heritage Program during 2012 and 2013. The inventory identifies 34 areas of outstanding ecological significance as determined by criteria established by the North Carolina Natural Heritage Program. ACKNOWLEDGMENTS Many individuals and agencies contributed to the planning, progress, and completion of this inventory. Jame Amoroso, Misty Buchanan, John Finnegan, Harry LeGrand, Janine Nicholson, and Linda Rudd reviewed the draft report and maps and assisted in the production of the final copy. I am particularly indebted to the following public agencies and personnel: Linda Pearsall, Laura Robinson, Steve Hall, and Mike Schafale of the North Carolina Natural Heritage Program; Jeff Beane and Alvin Braswell of the North Carolina Museum of Natural Sciences; Debo Cox and Ed Corey of the NC Division of Parks and Recreation; Alexander Krings of North Carolina State University; Sara Strickland of the National Park Service; Dennis Stewart and Wendy Stanton of the US Fish and Wildlife Service; Judy Roughton of the US Army Corps of Engineers Research Facility; and Robert Montgomery, Range Biologist with Seymour Johnson Air Force Base. Private individuals and agencies that contributed significantly are: Aaron McCall of The Nature Conservancy; Todd Miller of the North Carolina Coastal Federation; Claudia Jones of the North Carolina Coastal Reserve Program; Alicia Jackson of J.H. Carter, III, and Associates; and John Fussell of Morehead City. ii TABLE OF CONTENTS INTRODUCTION .......................................................................................................................... 1 Objectives .................................................................................................................................... 1 Methods ....................................................................................................................................... 1 DESCRIPTION OF THE STUDY AREA ..................................................................................... 6 Dare County ................................................................................................................................ 6 Climate ........................................................................................................................................ 6 Topography and Physiography .................................................................................................... 6 General Vegetation .................................................................................................................... 10 Geology and Soils ..................................................................................................................... 11 Land Use ................................................................................................................................... 11 Dare County and Sea Level Rise ............................................................................................... 12 RESULTS AND DISCUSSION ................................................................................................... 15 Natural Areas ............................................................................................................................. 15 Natural Communities ................................................................................................................ 19 Natural Community Descriptions – Mainland Dare .............................................................. 20 Natural Community Descriptions – Outer Banks .................................................................. 24 Flora and Fauna ......................................................................................................................... 39 LANDOWNER PROTECTION INITIATIVES .......................................................................... 54 BIOLOGICAL SURVEYS AND ENDANGERED SPECIES LAWS ........................................ 55 Federal Law ............................................................................................................................... 55 State Law ................................................................................................................................... 56 REFERENCES ............................................................................................................................. 57 SITE DESCRIPTIONS ................................................................................................................. 59 ALLIGATOR RIVER REFUGE - SOUTHEAST MARSHES ................................................ 61 ALLIGATOR RIVER/SOUTH LAKE SWAMP FOREST ..................................................... 65 ALLIGATOR RIVER SWAMP FOREST ............................................................................... 69 BODIE ISLAND LIGHTHOUSE POND ................................................................................. 73 BODIE ISLAND PONDS, MARSHES, AND DUNES ........................................................... 77 BUXTON WOODS ................................................................................................................... 81 CAPE HATTERAS POINT ...................................................................................................... 85 CLAM SHOAL ......................................................................................................................... 89 DARE COUNTY POCOSIN .................................................................................................... 91 DURANT ISLAND ................................................................................................................... 95 FAIRCLOTH ROAD POND PINE POCOSIN ........................................................................ 99 FORT RALEIGH MARITIME FOREST ............................................................................... 103 GULL ISLAND ....................................................................................................................... 107 HATTERAS INLET BIRD NESTING ISLANDS ................................................................. 109 HATTERAS ISLAND MIDDLE SECTION .......................................................................... 113 HATTERAS SAND FLATS ................................................................................................... 117 JOCKEY’S RIDGE STATE PARK ........................................................................................ 121 KITTY HAWK BAY ISLANDS ............................................................................................ 125 KITTY HAWK WOODS ........................................................................................................ 127 MASHOES MARSHES .......................................................................................................... 131 MASHOES POCOSIN ............................................................................................................ 135 iii MOTHER VINEYARD NATURAL AREA .......................................................................... 139 NAGS HEAD WOODS/RUN HILL ....................................................................................... 143 OREGON INLET/ROANOKE SOUND BIRD NESTING ISLANDS .................................. 147 PEA ISLAND NATIONAL WILDLIFE REFUGE ................................................................ 151 PINE ISLAND/CURRITUCK CLUB NATURAL AREA .................................................... 155 PINE ROAD SWAMP ............................................................................................................ 159 ROANOKE ISLAND JUNCUS MARSH .............................................................................. 161 ROANOKE/STUMPY POINT MARSHES AND POCOSIN ................................................ 165 SOUTHERN SHORES CYPRESS SWAMP ......................................................................... 169 TAYLOR ROAD NATURAL AREA .................................................................................... 173 TURTLE POND AND (CAPE HATTERAS) LIGHTHOUSE POND .................................