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Positive correlation between wood Î ́ 15 N and stream nitrate concentrations in two temperate deciduous forests by Sabo, Robert D; Elmore, Andrew J; Nelson, David M; Clark, Christopher M; Fisher, Thomas; Eshleman, Keith N is a Environmental Science article available to read on EtoBox.
What is Positive correlation between wood Î ́ 15 N and stream nitrate concentrations in two temperate deciduous forests about?
## Abstract A limitation to understanding drivers of long-term trends in terrestrial nitrogen (N) availability in forests and its subsequent influence on stream nitrate export is a general lack of integrated analyses using long-term data on terrestrial and aquatic N cycling at comparable spatial scales. Here we analyze relationships between stream nitrate concentrations and wood δ ^15^N records (n = 96 trees) across five neighboring headwater catchments in the Blue Ridge physiographic province and within a single catchment in the Appalachian Plateau physiographic province in the eastern United States. Climatic, acidic deposition, and forest disturbance datasets were developed to elucidate the influence of these factors on terrestrial N availability through time. We hypothesized that spatial and temporal variation of terrestrial N availability, for which tree-ring δ ^15^N records serve as a proxy, affects the variation of stream nitrate concentration across space and time. Across space at the Blue Ridge study sites, stream nitrate concentration increased linearly with increasing catchment mean wood δ ^15^N. Over time, stream nitrate concentrations decreased with decreasing wood δ ^1
Who reads Positive correlation between wood Î ́ 15 N and stream nitrate concentrations in two temperate deciduous forests?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Sabo, Robert D; Elmore, Andrew J; Nelson, David M; Clark, Christopher M; Fisher, Thomas; Eshleman, Keith N
- Publisher
- IOP Publishing; [Bristol]: IOP Publishing, 2019- (ISSN 2515-7620)
- Published
- 2020
- Language
- EN
- Field
- Environmental Science (Physical Sciences)