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Spa$al Pa(erns of Sea Turtle Nests on Bald Head Island, NC Using Geographic Informa$on Science Alyssa Randall BHIC Intern 2013

Spatial Patterns of Sea Turtle Nests on Bald Head Island, NC Using GIS

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Spa$al  Pa(erns  of  Sea  Turtle  Nests  on  Bald  Head  Island,  NC  Using  Geographic  Informa$on  Science  

Alyssa  Randall  BHIC  Intern  2013  

             

What  is  GIS?  •  A  geographic  informa$on  system  (GIS)  integrates  hardware,  soLware,  and  data  for  capturing,  managing,  analyzing,  and  displaying  all  forms  of  geographically  referenced  informa$on.  

Understanding  Spa$al  Pa(erns  

     Used  to  make  future  management  strategies  

Can  reflect  past  condi$ons  Shows  the  effects  of  habitat  altera$on  

Examine  areas  that  are  desirable  for  nes$ng  

ArcGIS  Interface  

Data  Breakdown  •  Maps  created  July  25,  2013  •  99  nest  mapped  including  their  metadata  •  Metadata-­‐  “data  about  data”  

–  Date  Laid  –  GPS  Coordinates  –  Reloca$on  Coordinates  –  Returning  Turtles  –  Satellite  Tagged  Turtles  –  PIT  Scan  ID  –  Flipper  Tag  ID  Number  –  Hatch  Date  –  Hatch  Success  

ArcGIS  A(ribute  Table  (Metadata  Storage)  

               

2013  Nests  

       

Relocated  Nests  

         

Returning  Turtles  

   

Satellite  Tagged  Turtles  

Future  Research  

•  Map  addi$onal  years  to  see  trends  and  correla$ons  in  nes$ng  on  Bald  Head  Island  

•  Examine  the  return  rate  of  turtles  based  on  their  PIT  tag  ID  number  and  flipper  tags  

•  Overlay  a  beach  nourishment  layer  

       

Acknowledgements  

 I  would  like  to  thank  Jaymie  for  her  support  during  this  process  and  for  providing  me  with  all  of  the  current  nes$ng  data.  I  would  also  like  to  thank  Patrick  for  providing  with  the  GIS  soLware  that  was  needed  to  carryout  my  project.  

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