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DNA PROJECT

The Georgia and South Carolina Department of Natural Resources and the North Carolina Wildlife Resources Commission Sea Turtle Programs are participating in a multi-state genetics research project along with the University of Georgia to answer several basic loggerhead sea turtle nesting questions. The answers to these questions will help biologists better understand how the loggerhead population is doing. Currently, the actual number of loggerhead sea turtles that nest in these three states is not known (loggerheads nesting in these three states make up the Northern Recovery Unit which is genetically distinct from loggerheads nesting in Florida and other parts of the world). By collecting an egg from every single nest, we will use DNA genetic fingerprinting (CSI for sea turtles) to identify individual loggerhead nesting females. This information will provide a census of the actual nesting population. In addition to estimating how many females are nesting in Georgia, North and South Carolina each year, we also have the potential to answer the following questions:
  • How many clutches of eggs does each nesting female lay in a year?
  • Is the female nesting on more than one beach?
  • How far apart are her nests?
  • How many turtles are nesting in more than one state?
  • Most individual females do not nest every year. How often does each turtle nest: every two years, three years, four or more years?
  • How precisely does a daughter return to her hatching site to lay her eggs?
  • For more specific information, please visit:http://www.dnr.sc.gov/seaturtle/volres/genetics.pdf
South Carolina Department of Natural Resources      SeaTurtle.org


                                  2012 Nesting Season DNA Results:


Nests:                                                                        9

DNA Samples Assigned:     9 (100.0%)
Unique DNA Fingerprints (individual females):    4
Potential Unobserved Nests:
Maximum Number of Beaches Visited:                 3

Maximum Number of Nests:                                   5
Mean Internesting Period:                              13.60 days
Mean Site Fidelity Index:                               104.63 km
Minimum Index:                                                0.73 km
Maximum Index:                                            295.78 km



TURTLE #1--Garden City and then Briarcliffe

         
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
05/24/2012
Garden City
111
104
12GRD03
2
06/08/2012
NMB-Briarcliffe
85
79
12-NMB-01

TURTLE #2--All 4 nests on Briarcliffe
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/10/2012
NMB-Briarcliffe
128
122
12-NMB-02
2
06/24/2012
NMB-Briarcliffe
123
120
12-NMB-03
3
07/08/2012
NMB-Briarcliffe
118
104
12-NMB-04
4
07/18/2012
NMB-Briarcliffe
103
99
12-NMB-07

TURTLE #3--Georgia, NMB (10th Ave S) then Topsail, NC
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/25/2012
Wassaw, Georgia
120
102
#73
2
07/12/2012
North Myrtle Beach
118
77
12-NMB-05
3
07/25/2012
Topsail Island 
102
89
TPS-67
Turtle #4--Cape Hatteras, NC to MB then NMB (34th Ave S)
                    then to Briarcliffe then back to NMB (43rd Ave S)
                    This turtle was seen on Briarcliffe and then on NMB
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/12/2012
Cape Hatteras, NC
108
107
NH34
2
06/27/2012
Myrtle Beach
135
123
12MYB-6
3
07/12/2012
North Myrtle Beach
130
126
12-NMB-06
4
07/23/2012
NMB-Briarcliffe
118
108
12-NMB-08
5
08/04/2012
North Myrtle Beach
117
97
12-NMB-09

            
                         2011 Nesting Season DNA Results:

Turtle #1---NMB Nest #1, 60th Ave N
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
05/13/11
North Myrtle Beach
109
94
11-NMB-1
2
05/29/11
Waties
100
88

3
06/11/11
Waties
96
80

4
06/23/11
Waties
58
34

5
07/04/11
Waties
86
78

6
07/18/11
Waties
85
72


Turtle #2---NMB Nest #2-9th Ave N
Nest
Date Beach Eggs
Hatchlings
Ref #
1
06/01/11
North Myrtle Beach
134
126
11-NMB-2



Turtle #3---NMB Nest #3-11th Ave S,  NMB Nest #18-6th Ave N (2nd one)
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/04/11
North Myrtle Beach
139
111
11-NMB-3
2
06/18/11
Waties Island
136
22

3
07/17/11
North Myrtle Beach
120
89
11-NMB-18


Turtle #4---NMB Nest #6-18th Ave N, NMB Nest #9-17th Ave N, NMB Nest #16-Briarcliffe (Crossover)N, NMB Nest #19-Briarcliffe (Lands End)
 Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/04/11
Surfside Beach
137
120
11SRF01
2
06/17/11
North Myrtle Beach
115
112
11-NMB-6
3
06/28/11
North Myrtle Beach
100
97
11-NMB-9
4
07/11/11
North Myrtle Beach
96
0
11-NMB-16
5
07/24/11
North Myrtle Beach
107
82
11-NMB-19


Turtle #5---NMB Nest #7-Atlantic Beach, NMB Nest #10- 37th S, NMB Nest #17-21st Ave S----This turtle was observed all 3 times she came ashore before 11PM
Nest
Date
Activity
Eggs
Hatchlings
Ref #
1
06/17/11
North Myrtle Beach
114
103
11-NMB-7
2
06/30/11
North Myrtle Beach
92
89
11-NMB-10
3
07/13/11
North Myrtle Beach
76
76
11-NMB-17


Turtle #6---Hilton Head and then NMB Nest #8-15th Ave N
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/12/11
Hilton Head Island
95
46

2
06/27/11
North Myrtle Beach
118
101
11-NMB-8
3
07/13/11
Edisto Town Beach
110
0



Turtle #7---NMB Nest #11-42 Ave N
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
unknown
Myrtle Beach
0
0
11-MYB-16
2
06/20/11
Waties Island
130
125

3
07/05/11
North Myrtle Beach
113
104
11-NMB-11
4
07/28/11
Oak Island, NC
123
27
106
5
06/20/11
Cape Lookout NS, NC
119
85
SCB 134


Turtle #8--NMB Nest #12-34th Ave S
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
Unknown
Surfside Beach
96
84
11SRF5
2
06/07/11
South Litchfield
103
91
11-SLT-04
3
06/24/11
Kiawah Isalnd, SC
100
73
11.03
4
07/06/11
North Myrtle Beach
94
90
11-NMB-12
5
08/21/11
Litchfield by the Sea
0
0
11-LTS-06


Turtle #9--NMB Nest #13-6th Ave N
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
05/15/11
North Litchfield
115
105
11-NLT-02
2
06/13/11
South Litchfield
113
107
11-SLT-05
3
06/25/11
Pawleys Island
119
99
11-PAW-13
4
07/07/11
North Myrtle Beach
46
38
11-NMB-13


Turtle #10---NMB #14-47th Ave S
 Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
Unknown
Myrtle Beach
0
0
11MY15
2
06/15/11
Myrtle Beach
94
89
11MYB05
3
06/29/11
Sunset Beach/Bird Island
0
0

4
07/10/11
North Myrtle Beach
105
104
11-NMB-14


Turtle #11---Debidue then MBSP And then NMB #15-30th Ave N
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/11/11
Debidue Beach
164
151
DEB - 11
2
06/23/11
Myrtle Beach State Park
144
134
11MBP01
3
07/11/11
North Myrtle Beach
112
103
11-NMB-15


Turtle #12---NMB Nest #20-33rd Ave S
 Nest Date Beach Eggs Hatchlings Ref #
1
06/21/11
Waties Island
90
71

2
07/08/11
Pawleys Island
0
0
11-PAW-20
3
07/25/11
Figure 8 Island, NC
77
71
29
4
08/11/11
North Myrtle Beach
78
70
11-NMB-20


Turtle #13---NMB #21-13th Ave S, Then Klure Beach, NC
Nest
Date
Beach
Eggs
Hatchlings
Ref #
1
06/23/11
North Myrtle Beach
149
144
11-NMB-21
2
07/23/11
Klure Beach, NC
0
0
8



                    
             Results of 2010 Turtle Nesting Season on NMB:


Turtle 1

DATE                 BEACH                   # of EGGS          NMB #

06/01/10        Waties Island                   105
06/29/10           NMB                             98                   6
07/12/10           NMB                             72                   8



Turtle 2

DATE                 BEACH                   # of EGGS          NMB #

06/01/10           NMB                            102                  2
06/14/10           NMB                             84                   3
06/27/10           NMB                             93                   5
07/11/10           NMB                            107                  7
07/21/10           NMB                             95                   9
08/01/10      Myrtle Beach                      108












Turtle 3

DATE                 BEACH                   # of EGGS          NMB #

05/22/10           NMB                           123                  1
06/19/10           NMB                           124                  4












Turtle 4

DATE                 BEACH                   # of EGGS          NMB #

Unknown      NMB-Briarcliffe                 136                  11      Wild Nest 
08/10/10      NMB-Briarcliffe                 129                  10





























































   




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