Threshold responses of songbirds to forest loss and fragmentation across the Marcellus-Utica shale gas region of central Appalachia, USA

Agriculture & Biology

• shale gas 100%
• Appalachian region 68%
• songbirds 62%
• anthropogenic activities 17%
• shale 15%
• land cover 7%
• Eastern United States 6%
• birds 6%
• indicator species 5%
• basins 4%
• biodiversity 4%
• gases 4%
• habitats 3%
• methodology 1%

Earth & Environmental Sciences

• songbird 73%
• shale gas 56%
• fragmentation 47%
• loss 28%
• disturbance 12%
• shale 9%
• sensitive area 7%
• guild 6%
• bird species 6%
• ecological impact 6%
• forest cover 6%
• bird 4%
• land cover 4%
• biodiversity 4%
• habitat 3%
• indicator 3%
• gas 3%
• basin 2%
• analysis 1%
• effect 1%
• method 1%

Social Sciences

• fragmentation 51%
• guild 7%
• habitat 5%
• biodiversity 5%
• conservation 4%
• evidence 2%