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1 June 2015 A Survey of the New River Aquatic Plant Community in Response to Recent Triploid Grass Carp Introductions into Claytor Lake, Virginia
Matthew A. Weberg, Brian R. Murphy, Andrew L. Rypel, John R. Copeland
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Abstract

Aquatic plant communities play critical roles in the form and function of stream ecosystems. In this study, we surveyed the aquatic-plant community along a 39-km reach of the New River, VA, in response to triploid Ctenopharyngodon idella (Grass Carp) stockings to control Hydrilla verticillata (Hydrilla) in Claytor Lake. We utilized drift-net sampling methods and visual observations to document the current plant community in this reach. Nine of 12 aquatic plant species identified in our survey have been documented as preferred forage for Grass Carp. These findings may indicate that migrating Grass Carp could alter the plant community in this reach. We recommend continued monitoring of this system to characterize any future effects of Grass Carp herbivory.

Matthew A. Weberg, Brian R. Murphy, Andrew L. Rypel, and John R. Copeland "A Survey of the New River Aquatic Plant Community in Response to Recent Triploid Grass Carp Introductions into Claytor Lake, Virginia," Southeastern Naturalist 14(2), 308-318, (1 June 2015). https://doi.org/10.1656/058.014.0211
Published: 1 June 2015
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