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- Avian ecology (2)
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Articles 1 - 4 of 4
Full-Text Articles in Ornithology
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Georgia Journal of Science
Grassland bird populations are being lost at an alarming rate due to human modifications to grassland ecosystems. Grassland restoration has been shown to mitigate population declines for many species that use these habitats at some point in their annual cycles. We examined capture rates of adult, breeding, and hatch-year birds at a restored grassland site in the piedmont of central Georgia to determine whether colonization, breeding success, hatching success, and recruitment processes were impacting populations of grassland birds. We banded birds approximately twice per month from January 2009 through December 2021 at Panola Mountain State Park. Restoration efforts started in …
Estimating The Size Of Georgia's Resident Canada Goose Population, Gregory D. Balkcom
Estimating The Size Of Georgia's Resident Canada Goose Population, Gregory D. Balkcom
Georgia Journal of Science
Canada geese (Branta canadensis) are an important waterfowl species in Georgia, and are hunted across the state. To meet management objectives, managers need to understand the impacts of hunting regulations on the population of interest. Therefore, reliable population estimates are necessary. Population size can be estimated by various methods, including aerial surveys, ground surveys, or population indices such as the Lincoln Estimator. I used annual estimates of resident Canada goose harvest in Georgia from the U.S. Fish and Wildlife Service’s Harvest Information Program along with banding and recovery data from the Bird Banding Laboratory in a bias-adjusted version …
What Roadkills Did We Miss In A Driving Survey? A Comparison Of Driving And Walking Surveys In Baldwin County, Georgia, Kori A. Ogletree, Alfred J. Mead
What Roadkills Did We Miss In A Driving Survey? A Comparison Of Driving And Walking Surveys In Baldwin County, Georgia, Kori A. Ogletree, Alfred J. Mead
Georgia Journal of Science
Accurate estimates of vertebrate road mortalities are necessary prior to the consideration of mitigation measures by resource managers. Due to ease of implementation, driving surveys are more common than walking surveys. From February 2018 to February 2019, two survey methods, driving and walking, were used to monitor a 1.16 km section of Highway 212 in Baldwin County, Georgia. Roadkills were identified and monitored for persistence from sunrise to noon two days a week. Twenty-nine roadkills were recorded over the survey period: 48.3% mammals (14/29), 27.6% herpetofauna (8/29), and 24.1% birds (7/29). Forty-eight percent (14/29) of roadkills were missed by the …
Long-Term Changes In Avian Capture Rates During Twelve Years Of Active Grassland And Savannah Restoration, Katie Stumpf, Charles Muise
Long-Term Changes In Avian Capture Rates During Twelve Years Of Active Grassland And Savannah Restoration, Katie Stumpf, Charles Muise
Georgia Journal of Science
The decline of grassland ecosystems throughout the United States has caused population declines of many bird species, especially grassland specialists, which has led to greater interest in restoring these dwindling habitats with a combination of natural fire regimes and the replanting of native vegetation. In the southeastern United States, several species of birds use grassland habitats at critical points throughout the annual cycle, as breeding or wintering grounds or as migration stopover sites. Since April 2007, we have operated 9–11 mist nets at Panola Mountain State Park, in Rockdale County, Georgia, in an area that is being actively restored to …