Spatial and temporal variability in the amount and source of dissolved organic carbon: implications for ultraviolet exposure in amphibian habitats

The amount, chemical composition, and source of dissolved organic carbon (DOC), together with in situ ultraviolet (UV-B) attenuation, were measured at 1-2 week intervals throughout the summers of 1999, 2000, and 2001 at four sites in Rocky Mountain National Park (Colorado). Eight additional sites, f...

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Veröffentlicht in:	Ecosystems (New York) 2005-08, Vol.8 (5), p.478-487
Hauptverfasser:	Brooks, P.D, O'Reilly, C.M, Diamond, S.A, Campbell, D.H, Knapp, R, Bradford, D, Corn, P.S, Hossack, B, Tonnessen, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Acid soils Amphibia Amphibians Bodies of water Canyons Carbon Creeks Dissolved organic carbon Fulvic acids Glaciers Hydrology National parks ozone depletion Sequoia solar radiation spatial variation Surface water surface water penetration temporal variation Transcriptional regulatory elements ultraviolet radiation Ultraviolet Radiation and Amphibians in Lentic Wetlands wetlands Wilderness
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Zusammenfassung:	The amount, chemical composition, and source of dissolved organic carbon (DOC), together with in situ ultraviolet (UV-B) attenuation, were measured at 1-2 week intervals throughout the summers of 1999, 2000, and 2001 at four sites in Rocky Mountain National Park (Colorado). Eight additional sites, four in Sequoia and Kings Canyon National Park/John Muir Wilderness (California) and four in Glacier National Park (Montana), were sampled during the summer of 2000. Attenuation of UV-B was significantly related to DOC concentrations over the three years in Rocky Mountain$(R^{2}=0.39,F=25.71,P
ISSN:	1432-9840 1435-0629
DOI:	10.1007/s10021-003-0031-5