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Welcome to the technical sessions schedule for the 2015 SEAFWA Annual Meeting.

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Monday, November 2 • 1:00pm - 1:20pm
Distribution and Conservation Status of the Grandfather Mountain Crayfish

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Todd Ewing, North Carolina Wildlife Resources Commission; Roger Thoma, Midwest Biodiversity Institute, Inc.; Jesse Pope, Grandfather Mountain Stewardship Foundation; William Russ, North Carolina Wildlife Resources Commission; Stephen Fraley, North Carolina Wildlife Resources Commission

The Grandfather Mountain Crayfish (Cambarus eeseeohensis) was described in 2005 from the Linville River in western North Carolina and considered to be endemic to the main stem Linville River upstream of Linville Falls. Because of its limited distribution and the presence of exotic crayfish in the Linville River watershed, this species is considered imperiled. However, there has been limited survey effort for this species and information about the actual threats is limited. Surveys were conducted in 2011 throughout the Linville River watershed and surrounding watersheds to better determine the distribution of the Grandfather Mountain crayfish. Targeted surveys were also conducted in areas known to contain exotic crayfish in an effort to determine if they negatively affected the Grandfather Mountain crayfish. An evaluation of land ownership and water quality classifications was also conducted to determine what protections were in place. Surveys found the Grandfather Mountain crayfish to be widely distributed throughout the Linville River watershed in headwater streams, mid-order tributaries and the main stem Linville River. The species was also found in the adjacent Watauga River and Johns River watersheds. Grandfather Mountain Crayfish numbers in areas with exotic crayfish are similar to those in other parts of the species’ range. A large portion of the current range is in public ownership and a high percentage of the streams have water quality classifications that provide protections. The Grandfather Mountain Crayfish appears to be at low risk of extinction but should remain a priority for monitoring.

Monday November 2, 2015 1:00pm - 1:20pm EST
Ballroom Salon A

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