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In 2018 Amy Almond, a DFP intern, worked on the project "Coastal Impoundment Mapping in the Southeast". An impoundment is defined as an area within which water levels are actively managed to benefit wetland-dependent wildlife.
The goal was to create a comprehensive GIS map layer of impoundments within the Southern Atlantic Coastal Plain. Amy contacted managers of National Wildlife Refuges and state-managed lands within the range (NC, SC, GA, FL) for information about impoundments on their lands.
The information provided by the project will help determine potential locations to manage for Black Rails or to work with partners to create new habitat. This information will also benefit other waterbirds and waterfowl since their habitat overlaps.
In order to obtain the impoundment information, Amy emailed each of the land managers with a short data request. She asked them to send any GIS shapefiles they had of impounded areas on their lands and sent a Google Form questionnaire to ask specific questions about how they manage these areas, like primary species management, vegetation, and water depth.
Most of the land managers responded to the Google Form we created to collect descriptive management data. Some folks sent an email or management plan document, which did not contain the same information as the Google Form.
Total impoundments: 750
Total impoundment acreage: 121,129.52
Total impoundment hectares: 49,019.37
Federal Impoundments
Refuge Complexes: 15
Refuges: 63
Impoundments: 329
Acres: 63,977
Hectares: 25,890.57
State Impoundments
States: 4
State-managed lands: 48
Impoundments: 421
Acres: 57,152.52
Hectares: 23,128.8
North Carolina Impoundments
Impoundments: 143
Acres: 19,699.88
Hectares: 7,972.26
South Carolina Impoundments
Impoundments: 322
Acres: 50,451.69
Hectares: 20,597.08
Georgia Impoundments
Impoundments: 93
Acres: 7,116.85
Hectares: 2,880.08
Florida Impoundments
Impoundments: 192
Acres: 43,861.1
Hectares: 17,749.96