Title page for ETD etd-06102012-040318

Type of Document Master's Thesis
Author Timothy, Katherine Grace
URN etd-06102012-040318
Title Reliability of avifauna information in a computerized fish and wildlife information system
Degree Master of Science
Department Fisheries and Wildlife Sciences
Advisory Committee
Advisor Name Title
Stauffer, Dean F. Committee Chair
Fraser, James D. Committee Member
Giles, Robert H. Jr. Committee Member
Orth, Donald J. Committee Member
  • Fish populations
Date of Defense 1988-10-05
Availability restricted
This study was designed to test the reliability of avifauna information retrieved from Biota

of Virginia, BOVA, a computerized fish and wildlife information system developed at Virginia

Polytechnic Institute and State. University. Reliability was defined as the percent of species that were detected during field surveys that also were listed by BOVA to occur. Six habitat types were

selected for study within the Blacksburg Ranger District of the Jefferson National Forest in

Southwestern Virginia. These were Mixed (oak-pine) Seedling/Sapling, Mixed Pole, Mixed

Mature, Deciduous Pole, Deciduous Mature, and Coniferous Pole. Three stands of each type, each

8-20 hectares in area, were chosen randomly for study: Each stand was surveyed with 12 90-minute

survey periods over 2 years. The random-walk technique was used to determine species occurrence.

BOVA species lists were determined for comparison with lists of species detected in the field. All

species detected in the field and(or) listed by BOVA were placed into at least one status category

defined by BOVA (e.g., Federal Migratory, Game, Accidental) or the Virginia Society of

Ornithology (e.g., Abundant, Permanent Resident, Transient Breeder).

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