Pacific Southwest Research Station

Education

Master of Arts, Biology, Bachelor of Science, Zoology Humboldt State University, Arcata CA

Research Interests/Duties

Study of semi-aquatic reptiles and amphibians with an emphasis on conservation and restoration.

Current Emphases, Studies, Projects

Trinity River Restoration Program

Conservation Strategy for the Western Pond Turtle in California

Selected Publications

Ashton, D.T., S.B. Marks, H.H. Welsh Jr. 2006. Evidence of continued effects from timber harvesting on lotic amphibians in redwood forests of northwestern California. Forest Ecology and Management 221:183-193.

Ashton, D.T. 2007. Actinemys (=Clemmys) marmorata marmorata (Northwestern Pond Turtle) Courtship Behavoir. Herpetological Review 38(3):327-328.

Ashton, D.T. and R.J. Nakamoto. 2007. Rana boylii (Foothill Yellow-legged Frog) Predation. Herpetological Review 38(4):442.