Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Demographic Estimation and Conservation Modeling for the Loggerhead Sea Turtle


October 2016 - September 2019


Successful recovery of the threatened loggerhead sea turtle will hinge on decisions about where to invest limited resources into conservation actions, and these decisions will be informed by predictions of population response to each action. This study focuses on the development of decision or scenario planning models for the northern recovery unit of the turtle. We will first construct a demographic model by integrating data from various sources, including genetic mark-recapture data, nest counts, and in-water monitoring data. Next, we will outfit this model as a scenario/decision analysis tool and simulate the model to product output of use to managers. The main purpose of the model is to help state agency resource managers in the northern recovery unit discern the relative efficacy of actions under their control, to assess the relative contributions of stressors so that broad scope conservation strategies may be devised, and to identify key uncertainties in sea turtle demography to which targeted information gathering would yield more effective conservation delivery.


Current Staff

Federal Staff: 101

Masters Students: 239

Phd Students: 154

Post Docs: 55

University Staff: 241

5 Year Summary

Students graduated: 695

Scientific Publications: 1962

Presentations: 4417



  • Clinton MoorePrincipal Investigator
  • Brian ShamblinCo-Principal Investigator
  • Mark DoddNon-PI Collaborator
  • Bryan NuseNon-PI Collaborator

Funding Agencies

  • Georgia Department of Natural Resources


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey