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Articles 31 - 35 of 35
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Home Ranges And Habitat Selection Of White-Tailed Deer In A Suburban Nature Area In Eastern Nebraska, Scott Hygnstrom, Kurt C. Vercauteren
Home Ranges And Habitat Selection Of White-Tailed Deer In A Suburban Nature Area In Eastern Nebraska, Scott Hygnstrom, Kurt C. Vercauteren
USDA Wildlife Services: Staff Publications
We evaluated the movements of 59 radio-collared female white-tailed deer (Odocoileus virginianus) at the Gifford Point Wildlife Management Area (GP) and Fontenelle Forest Nature Area (FF) in eastern Nebraska from 1994 to 1997. Annual home ranges averaged 276 ha (CI = 166 ha). Forty-four of the deer maintained relatively small home ranges (0=129 ha) and resided in the GP lowlands (n=14), FF lowlands (n=ll), and FF uplands-Bellevue residential area (BR) (n= 19). Deer in the latter area were frequently observed in backyards, at deer feeders, and on city streets. Seven of the deer were transients, maintaining seasonal home …
Evaluation Of A Radar-Activated, Demand-Performance Bird Hazing System, Gwen R. Stevens, Jamie Rogue, Richard Weber, Larry Clark
Evaluation Of A Radar-Activated, Demand-Performance Bird Hazing System, Gwen R. Stevens, Jamie Rogue, Richard Weber, Larry Clark
USDA Wildlife Services: Staff Publications
We evaluated a radar-activated integrated hazing system for the protection of waterfowl at large contaminated ponds at a power plant. The hazing devices in the system included acoustic alarm calls, pyrotechnics and chemical repellents dispersed in the form of a bird tear-gas. Unlike, timed interval systems, or systems with random activation sequences, birds did not habituate to the demand-performance system tested. Over the course of a year, we documented that waterfowl were 12.5 times less likely to fly over the hazed contaminated ponds relative to a non-hazed control pond. Of the waterfowl that did fly over both ponds, the likelihood …
Evaluation Of Flight ControlTm And Mesurol® As Repellents To Reduce Horned Lark (Eremophila Alpestris) Damage To Lettuce Seedlings, Darryl L. York, John L. Cummings, Richard M. Engeman, James E. Davis Jr.
Evaluation Of Flight ControlTm And Mesurol® As Repellents To Reduce Horned Lark (Eremophila Alpestris) Damage To Lettuce Seedlings, Darryl L. York, John L. Cummings, Richard M. Engeman, James E. Davis Jr.
USDA Wildlife Services: Staff Publications
We conducted enclosure trials near Huron, CA in the San Joaquin Valley from 12 to 23 January 1999 to determine the efficacy of Flight Control™ (50% anthraquinone) and Mesurol® (75% methiocarb) in preventing horned lark damage to lettuce seedlings. Flight Control™ (FC) and Mesurol® were evaluated as foliar sprays at application rates of 2.79 and 2.27 kg ha-1, respectively. Homed lark damage to lettuce seedlings treated with antraquinone was greater (p = 0.015) than for rnethiocarb®, 60 versus 20%, respectively, and seedlings in control plots were 100% destroyed. While this level of damage is probably unacceptable to lettuce …
Integrated Pest Management Of Black Bear Reforestation Damage, Gary W. Witmer, Dale L. Nolte, William Stewart
Integrated Pest Management Of Black Bear Reforestation Damage, Gary W. Witmer, Dale L. Nolte, William Stewart
USDA Wildlife Services: Staff Publications
Black bear damage to commercial, coniferous trees on intensively managed public and private forest lands of the Pacific Northwest continues to be a problem for forest managers. Historically, methods such as relocation or spring hunts have been used in an effort to reduce bear density and damage. More recently, supplemental feeding has been used in an attempt to provide for the nutritional needs of bears during the damage period. Alternative silvicultural practices and repellents are being investigated for their ability to reduce the likelihood of bear damage. These and other methods need to be examined for their effectiveness, especially in …
Urban-Suburban Prairie Dog Management: Opportunities And Challenges, Gary W. Witmer, Kurt C. Vercauteren, Karen Manci, Donna Dees
Urban-Suburban Prairie Dog Management: Opportunities And Challenges, Gary W. Witmer, Kurt C. Vercauteren, Karen Manci, Donna Dees
USDA Wildlife Services: Staff Publications
The historic range of the black-tailed prairie dog has undergone dramatic declines in the last century, prompting concern about the species' long-term viability. While considered a pest by many, others believe that the species is a "keystone" element of prairie ecosystems. Urban-suburban land managers are challenged with preserving colonies of prairie dogs on public lands while dealing with many conflicting interests, social costs, and risks. We review the management plans that municipalities have designed to reduce conflicts by using public input, zoned management, and a variety of management techniques. Areas of difficulty and research needs are also discussed.