USDA Forest Service

Pacific Southwest Research Station

Pacific Southwest
Research Station

800 Buchanan Street
Albany, CA 94710-0011
(510) 883-8830
United States Department of Agriculture Forest Service. USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.

The ecology of curly leaf pondweed and the potential for control using bottom barriers in Lake Tahoe

Principal Investigators:
Marion Wittmann, now at University of Notre Dame
Sudeep Chandra, University of Nevada-Reno
John Reuter, University of California-Davis
Allison Gamble, now with the Minnesota Department of Natural Resources
Geoff Schladow, University of California-Davis

Proposal [pdf]

Final Report [pdf]

Please contact Dr. John Reuter with questions regarding the final report.

Project Summary

Potamogenton crispus,or curly-leaf pondweed, is a relatively recent example of a nearshore aquatic invasive species in Lake Tahoe. Because of its unique life history traits, including turion production, this species has competitive advantages over native aquatic plants. Due to its recent introduction, and restricted range in the southern portion of Lake Tahoe, curly-leaf pondweed is considered to be in an early invasion stage and thus could be a potential candidate for eradication or control if a feasible methodology can be found.

The goal of this research was to study turions (vegetative buds) produced by curly-leaf pondweed to determine their relationship to plant biomass and assess their susceptibility to non-chemical treatment using gas permeable and impermeable benthic bottom barriers.