Decreased Soil Cation Exchange Capacity Across Northern China's Grasslands Over the Last Three Decades

Cation exchange capacity (CEC) helps soils hold nutrients and buffer pH, making it vital for maintaining basic function of terrestrial ecosystems. However, little is known about the temporal dynamics of CEC over broad geographical scales. In this study, we used random forest method to compare histor...

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Veröffentlicht in:	Journal of geophysical research. Biogeosciences 2017-11, Vol.122 (11), p.3088-3097
Hauptverfasser:	Fang, Kai, Kou, Dan, Wang, Guanqin, Chen, Leiyi, Ding, Jinzhi, Li, Fei, Yang, Guibiao, Qin, Shuqi, Liu, Li, Zhang, Qiwen, Yang, Yuanhe
Format:	Artikel
Sprache:	eng
Schlagworte:	Acidic soils Acidification Annual precipitation Biodegradation Capacity Carbon Carbon content Cation exchange Cation exchanging Cations Community composition Desert environments Desertification Dynamics Ecosystems environmental change Environmental changes Exchange capacity Exchanging Extreme weather geochemistry grassland ecosystems Grasslands Meadows Mineral nutrients Nutrients Organic carbon Organic soils pH effects Plateaus Precipitation Silt Soil Soil acidification soil carbon loss Soil degradation soil desertification Soil erosion Soils Steppes Terrestrial ecosystems Topsoil
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