Increased phosphate uptake but not resorption alleviates phosphorus   deficiency induced by nitrogen deposition in temperate Larix   principis-rupprechtii plantations

doi:10.1111/nph.14083

CORC > 北京大学 > 城市与环境学院

	Increased phosphate uptake but not resorption alleviates phosphorus deficiency induced by nitrogen deposition in temperate Larix principis-rupprechtii plantations
	Deng, Meifeng ; Liu, Lingli ; Sun, Zhenzhong ; Piao, Shilong ; Ma, Yuecun ; Chen, Yiwei ; Wang, Jing ; Qiao, Chunlian ; Wang, Xin ; Li, Ping
刊名	NEW PHYTOLOGIST
	2016
关键词	growth rate hypothesis mycorrhizae N deposition N: P ratio P-acquiring strategies phosphatase activity stand age stoichiometric homocostasis BIOLOGICAL STOICHIOMETRY ACQUISITION STRATEGIES TERRESTRIAL BIOSPHERE NUTRIENT RESORPTION BOREAL FOREST PLANT-GROWTH FATTY-ACIDS SOIL CARBON ECOSYSTEMS
DOI	10.1111/nph.14083
英文摘要	The imbalance between nitrogen (N) and phosphorus (P) deposition may shift temperate ecosystems from N- to P-limitation. However, it is unclear how the imbalanced N P input affects the strategies of plants to acquire P and, therefore, the growth of plants and the competition among species. We conducted a 4-yr N-addition experiment in young and mature larch (Larix principisrupprechtii) stands. Plant growth and P acquisition strategies were assessed for larch and understorey vegetation. N addition stimulated the aboveground productivity of understorey vegetation in the young stand and larch in the mature stand, with other species unaffected. The competitive advantages of understorey vegetation in the young stand and larch in the mature stand were associated with their high stoichiometric homoeostasis. To maintain the N P homoeostasis of these species, an increase in phosphatase activity but not P resorption efficiency increased the supply of P. Additionally, N addition accelerated P mineralization by decreasing the fungal-to bacterial ratios and improved uptake of soil P by increasing the arbuscular mycorrhizas-toectomycorrhizas ratios. Our results suggest that plants with high stoichiometric homoeostasis could better cope with N deposition-induced P-deficiency. Although P resorption efficiency showed little plasticity in response, plants activated a variety of P-acquisition pathways to alleviate the P deficiency caused by N deposition.; National Natural Science Foundation of China [31522011]; Chinese National Key Development Program for Basic Research [2013CB956304, 2014CB954003]; National 1000 Young Talents Program; SCI(E); PubMed; ARTICLE; lingli.liu@ibcas.ac.cn; 4; 1019-1029; 212
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/493512]
专题	城市与环境学院
推荐引用方式 GB/T 7714	Deng, Meifeng,Liu, Lingli,Sun, Zhenzhong,et al. Increased phosphate uptake but not resorption alleviates phosphorus deficiency induced by nitrogen deposition in temperate Larix principis-rupprechtii plantations[J]. NEW PHYTOLOGIST,2016.
APA	Deng, Meifeng.,Liu, Lingli.,Sun, Zhenzhong.,Piao, Shilong.,Ma, Yuecun.,...&Li, Ping.(2016).Increased phosphate uptake but not resorption alleviates phosphorus deficiency induced by nitrogen deposition in temperate Larix principis-rupprechtii plantations.NEW PHYTOLOGIST.
MLA	Deng, Meifeng,et al."Increased phosphate uptake but not resorption alleviates phosphorus deficiency induced by nitrogen deposition in temperate Larix principis-rupprechtii plantations".NEW PHYTOLOGIST (2016).