Phosphorus accumulates faster than nitrogen globally in freshwater   ecosystems under anthropogenic impacts

doi:10.1111/ele.12658

CORC > 北京大学 > 城市与环境学院

	Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts
	Yan, Zhengbing ; Han, Wenxuan ; Penuelas, Josep ; Sardans, Jordi ; Elser, James J. ; Du, Enzai ; Reich, Peter B. ; Fang, Jingyun
刊名	ECOLOGY LETTERS
	2016
关键词	Accumulation anthropogenic impacts biogeochemistry decoupling of nitrogen and phosphorus cycles freshwater ecosystems global patterns imbalance macrophytes stoichiometry waterbodies TN-TP RATIO SHALLOW LAKES LEAF NITROGEN NUTRIENT LIMITATION AQUATIC MACROPHYTES N-P CHINA STOICHIOMETRY PATTERNS EUTROPHICATION
DOI	10.1111/ele.12658
英文摘要	Combined effects of cumulative nutrient inputs and biogeochemical processes that occur in freshwater under anthropogenic eutrophication could lead to myriad shifts in nitrogen (N): phosphorus (P) stoichiometry in global freshwater ecosystems, but this is not yet well-assessed. Here we evaluated the characteristics of N and P stoichiometries in bodies of freshwater and their herbaceous macrophytes across human-impact levels, regions and periods. Freshwater and its macrophytes had higher N and P concentrations and lower N : P ratios in heavily than lightly human-impacted environments, further evidenced by spatiotemporal comparisons across eutrophication gradients. N and P concentrations in freshwater ecosystems were positively correlated and N : P was negatively correlated with population density in China. These results indicate a faster accumulation of P than N in human-impacted freshwater ecosystems, which could have large effects on the trophic webs and biogeochemical cycles of estuaries and coastal areas by freshwater loadings, and reinforce the importance of rehabilitating these ecosystems.; National Natural Science Foundation of China [41173083, 31321061, 31330012]; Special Foundation of National Science and Technology Basic Research [2013FY112300]; National Key Basic Research Program of China [2014CB954202]; European Research Council [ERC-SyG-2013-610028 IMBALANCE-P]; Spanish Government [CGL2013-48074-P]; Catalan Government [SGR 2014-274]; US National Science Foundation RCN-SEES [1230603]; SCI(E); PubMed; ARTICLE; hanwenxuan@cau.edu.cn; 10; 1237-1246; 19
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/447904]
专题	城市与环境学院
推荐引用方式 GB/T 7714	Yan, Zhengbing,Han, Wenxuan,Penuelas, Josep,et al. Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts[J]. ECOLOGY LETTERS,2016.
APA	Yan, Zhengbing.,Han, Wenxuan.,Penuelas, Josep.,Sardans, Jordi.,Elser, James J..,...&Fang, Jingyun.(2016).Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts.ECOLOGY LETTERS.
MLA	Yan, Zhengbing,et al."Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts".ECOLOGY LETTERS (2016).