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Present distribution of the threatened snail darter (Percina tanasi) Matt Ashton and James B. Layzer Tennessee Cooperative Fishery Research Unit Department.

Published byRosalind Warner Modified over 9 years ago

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Presentation on theme: "Present distribution of the threatened snail darter (Percina tanasi) Matt Ashton and James B. Layzer Tennessee Cooperative Fishery Research Unit Department."— Presentation transcript:

1 Present distribution of the threatened snail darter (Percina tanasi) Matt Ashton and James B. Layzer Tennessee Cooperative Fishery Research Unit Department of Biology Tennessee Tech University, Cookeville, TN

2 Objectives of study Present distribution of tributary populations

3 Study area

4

5 Sampling methods Electrofishing - Scott 2003 Snorkeling

6 Summary table – 2005 snail darter survey

7 French Broad River

8

9 Survey says? Prescence/Abscence French Broad River Other tributaries Young-of-year

10 Future work Microhabitat use YOY and adult fish French Broad and Hiwassee rivers

11 Acknowledgements Private land owners, graduate students, and undergraduate students providing assistance.

12 Questions?

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