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Nitrate is animportant nitrogensource for Arctictundra plants Xue-Yan LiuKeisuke KobaLina Koyama2018 год

Nitrate is an important nitrogen source for Arctic tundra plants
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Аннотация: Significance How terrestrial plants use N and respond to soil N loading is central to evaluating and predicting changing ecosystem structure and function with climate warming and N pollution. Here, evidence from NO 3 − in plant tissues has uncovered the uptake and assimilation of soil NO 3 − by Arctic tundra plants, which has long been assumed negligible. Soil NO 3 − contributed about one-third of the bulk N used by tundra plants of northern Alaska. Accordingly, the importance of soil NO 3 − for tundra plants should be considered in future studies on N and C cycling in Arctic ecosystems where C sequestration is strongly determined by N availability.
Год издания: 2018
Авторы: Xue-Yan Liu, Keisuke Koba, Lina Koyama, Sarah E. Hobbie, Marissa S. Weiss, Yoshiyuki Inagaki, Gaius R. Shaver, Anne E. Giblin, Satoru Hobara, Knute J. Nadelhoffer, Martin Sommerkorn, Edward B. Rastetter, George W. Kling, James A. Laundre, Yuriko Yano, Akiko Makabe, Midori Yano, Cong-Qiang Liu
Издательство: National Academy of Sciences
Источник: Proceedings of the National Academy of Sciences
Ключевые слова: Climate change and permafrost, Peatlands and Wetlands Ecology, Cryospheric studies and observations
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