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Polar bears (Ursus maritimus) require the relative warmth and stability afforded by snow dens for successful reproduction. Pregnant bears must travel from foraging habitats on the sea ice to land in autumn to establish winter dens. Data of sea ice extent and composition from satellite-acquired passive microwave (PMW) imagery show a reduction in summer sea ice extent throughout the Arctic from 1979-2006. Additionally, General Circulation Models (GCM) predict that Arctic sea ice extent will continue to diminish throughout the 21st century. Greater energetic demands will be placed on pregnant polar bears in the future if they travel greater distances from summer forage habitats to traditional denning habitats on land....
Categories: Publication; Types: Citation; Tags: Administrative Report
Streamflow and water-quality data collected at the Edisto River near Givhans, SC go to: https://www.sciencebase.gov/catalog/item/5af49c2ae4b0da30c1b44e2b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: May flow data; mloads.csv: May water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results
Categories: Data
Streamflow and water-quality data collected at the Altamaha River at Everett City, GA go to: https://www.sciencebase.gov/catalog/item/5af49c2ae4b0da30c1b44e2b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: May flow data; mloads.csv: May water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results
Categories: Data
Streamflow and water-quality data collected at the Frio River at Concan, TX go to: https://www.sciencebase.gov/catalog/item/5af49c2ae4b0da30c1b44e2b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: May flow data; mloads.csv: May water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results
Categories: Data
Streamflow and water-quality data collected at the Wild River at Gilead, ME go to: https://www.sciencebase.gov/catalog/item/5af49c2ae4b0da30c1b44e2b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: May flow data; mloads.csv: May water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results
Categories: Data
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