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This dataset was produced to support the mapping of intertidal oyster reefs for research and management of the state's shellfish resources. |
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This dataset was produced to support the mapping of intertidal oyster reefs for research and management of the state's shellfish resources. |
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The South Carolina Department of Natural Resources should be acknowledged in products derived from these data.
Data provided to Charleston County 12/10/2018 |
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5000 |
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<DIV STYLE="text-align:Left;"><DIV><P><SPAN>This dataset contains digitized boundaries of intertidal oyster reefs found along the South Carolina coast. The polygons were originally digitized through a combination of automated and manual techniques using 4-band (blue, green, red, near-infrared) digital orthophotos with a theoretical ground resolution of 0.25 meters. The photos were dated from 2003 to 2006. The project area was selected specifically to cover those sections of the SC coastal critical zone where oysters had historically been mapped by the SC Department of Natural Resources (SCDNR). The area spans 122 USGS quarter quadrangles (DOQQs). Sixty of the DOQQs were ground-truthed, by boat, prior to 2011, to assess accuracy. Some areas were verified through photographs taken from low-altitude helicopter flights conducted from 2006 to 2008 by SCDNR. The initial digitization process met the minimum accuracy requirements of the project (80% correct classification) and was completed through a joint effort between Photo Science Inc. and SCDNR. The entire dataset was reviewed by SCDNR for quality using all known information through 2010. Edits and improvements were completed by SCDNR on April 28, 2011. From 2011 through 2015, low-altitude helicopter photography flights were conducted over selected areas of management interest. Photographs from these flights were used as a reference to individually update and edit reef polygons for selected areas.</SPAN></P></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><P><SPAN>NO WARRANTY: The South Carolina Department of Natural Resources (SCDNR) provides these geographic data "as is" and makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. SCDNR further makes no warranties, either expressed or implied, as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers of SCDNR, no warranty, expressed or implied, is made regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty. LIMITATION OF LIABILITY: In no event shall the SCDNR have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by SCDNR.</SPAN></P></DIV></DIV> |
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FEATURES.SDE.SCDNR_OYSTER_LIVE2015 |
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["2015","South Carolina","biota","intertidal oyster","Crassostrea virginica","South Carolina Department of Natural Resources","boundaries","environment"] |
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en-US |
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150000000 |
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