Event Title

Capture-Mark-Recapture of Ticks in Southeastern Virginia

Presentation Type

Event

Description/Abstract

In southeastern Virginia, the rise of tick-borne pathogens threatens human and animal health. Surveillance methods are necessary to better understand tick abundance and phenology. Past ecological studies have utilized a capture-mark-recapture (CMR) technique. The goal of our study was to use CMR to estimate tick population size and longevity at two field sites in Portsmouth, Virginia. Ticks were collected using flagging techniques. Captured ticks were marked with finger nail polish prior to release. Marks were distinct colors during each capture event to track individuals over the study period. Organized by species and life stage, recapture rate calculations include newly marked ticks and ticks recaptured one or more times. Population size estimates were calculated using Lincoln-Peterson calculations. The longevity calculations provide information about the maximum period a tick is questing.

Comments

Mentor: Dr. Holly Gaff

Location

Learning Commons @ Perry Library, Northwest Atrium

Start Date

18-2-2017 8:00 AM

End Date

18-2-2017 12:30 PM

Full Text of Presentation

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Feb 18th, 8:00 AM Feb 18th, 12:30 PM

Capture-Mark-Recapture of Ticks in Southeastern Virginia

Learning Commons @ Perry Library, Northwest Atrium

In southeastern Virginia, the rise of tick-borne pathogens threatens human and animal health. Surveillance methods are necessary to better understand tick abundance and phenology. Past ecological studies have utilized a capture-mark-recapture (CMR) technique. The goal of our study was to use CMR to estimate tick population size and longevity at two field sites in Portsmouth, Virginia. Ticks were collected using flagging techniques. Captured ticks were marked with finger nail polish prior to release. Marks were distinct colors during each capture event to track individuals over the study period. Organized by species and life stage, recapture rate calculations include newly marked ticks and ticks recaptured one or more times. Population size estimates were calculated using Lincoln-Peterson calculations. The longevity calculations provide information about the maximum period a tick is questing.