SANTA FE RIVER TURTLE PROJECT
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Santa Fe River Turtle Project
​The Santa Fe River Turtle Project is a collaborative effort by scientists, students, and citizens to learn about the turtles inhabiting the Santa Fe River and to promote conservation of the entire Santa Fe River ecosystem in northern Florida. Since 2004, we have conducted a mark-recapture study of all turtle species throughout the river. Our capture methods include trapping with baited hoop nets and hand capture while snorkeling. To date we have captured, measured, marked, and released more than 8,000 turtles. More than 200 students and citizens have participated in this project during the past 16 years.

The Santa Fe River and its associated spring habitats are home to 11 native turtle species and 4 non-native taxa. Few places on Earth have as many turtle species living together. In fact, approximately 25% of all North American freshwater turtle species inhabit this small river system. Each species has a unique story of how it manages to live in the Santa Fe River.
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Our research activity is guided by questions such as: 
  • How do springs influence the behavior, morphology, demography, life history, and community structure of turtles in the Santa Fe River drainage?
  • How do human activities affect turtle populations?
  • How do turtles affect the river and springs ecosystems? 
  • How do the different species partition the habitat to coexist?
  • How do changes in aquatic vegetation affect turtle populations?

Some interesting things we have learned so far:
  • Some springs are nurseries for River Cooters (Pseudemys concinna) and Snapping Turtles (Chelydra serpentina).
  • Suwannee Alligator Snapping Turtles (Macrochelys suwanniensis) grow slowly (1-2 cm/year) and probably require 20 years to reach sexual maturity. 
  • Spring-influenced areas of the lower Santa Fe River have more than twice as many turtles as blackwater areas in the upper SantaFe River.
  • Between Rum Island and Ginnie Springs, there are approximately 4,000 turtles.
  • Suwannee Cooters and Snapping Turtles eat the invasive plant Hydrilla verticillata. 
  • More than 25% of River Cooters are severely damaged by boat propellers. 
  • Cooters in the Santa Fe River sometimes travel to and from the Ichetucknee River or Suwannee River. One turtle travelled 130 km,the longest distance ever recorded for a freshwater turtle in North America.
  • Prior to a recent genetic study, the River Cooter was called the Suwannee Cooter.
  • Both snapping turtle species eat persimmon fruit and disperse the seeds into habitats upriver.

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Turtle Conservancy ––– Santa Fe River Turtle Project

​TC partners with the Santa Fe River Turtle Project in an effort to better understand native turtles in the United States and human impacts on their populations.
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https://www.turtleconservancy.org/santa-fe-river-turtle-project


What Does a Turtle Ecologist do?
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  • Home
  • MEET THE TURTLES
    • BASKING
    • Snapping Turtles
    • LITTLE BOTTOM WALKERS
    • ODDBALLS
    • NON-NATIVES
    • DEFINITIONS
  • RESEARCH
    • MEET THE RESEARCHERS
    • PUBLICATIONS
    • ORAL PRESENTATIONS
  • SANTA FE RIVER
  • THREATS
  • SLIDE SHOW
  • LINKS
  • CONTACT