Feasibility of a Random Quadrat Study Design to Estimate Changes in Density of Mexican Spotted OwlsU.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1996 - Bird populations - 12 pages |
Other editions - View all
Common terms and phrases
2Hannagan Meadows abundance and density adult and subadult banding success call stations capture probability capture-recapture changes in density changes in owl comm crew leaders crew members Cycle 1 Cycle Cycle 4 Ext density estimates Douglas-fir Elevations ranged estimate changes female R RV field season Forest and Range Forsman Fort Collins four cycles four quadrats Franklin Gambel oak Gutiérrez juvenile Kendrick Peak Knoll Lake located logistical problems male R RV Mexican spotted owl N₁ northern spotted owls number of owls Olympic National Park overtime owl density owl Strix occidentalis owl territories personal communication physical captures pinyon pine ponderosa pine project leaders quadrat boundaries Quadrat Territory Range Experiment Station Ranger District Recovery Team region-wide monitoring program resighting RV KPQ RV R RV RVC female Seamans spotted owl Strix survey cycle ted owl ture U.S. Department USDI USFS personnel visual captures walk-in surveys white fir Wildlife Biologist Wildlife Management