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

被引:136
作者
Deng, Meifeng [1 ,2 ]
Liu, Lingli [1 ]
Sun, Zhenzhong [3 ]
Piao, Shilong [3 ]
Ma, Yuecun [3 ]
Chen, Yiwei [1 ,2 ]
Wang, Jing [1 ,2 ]
Qiao, Chunlian [1 ,2 ]
Wang, Xin [1 ,2 ]
Li, Ping [1 ,2 ]
机构
[1] Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
基金
中国国家自然科学基金;
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; NUTRIENT LIMITATION; SOIL; CARBON; GROWTH; PATTERNS; RATIOS; PLANTS; DIVERSITY;
D O I
10.1111/nph.14083
中图分类号
Q94 [植物学];
学科分类号
071001 ;
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.
引用
收藏
页码:1019 / 1029
页数:11
相关论文
共 61 条
[11]   Functional biology of plant phosphate uptake at root and mycorrhiza interfaces [J].
Bucher, Marcel .
NEW PHYTOLOGIST, 2007, 173 (01) :11-26
[12]   Patterns of new versus recycled primary production in the terrestrial biosphere [J].
Cleveland, Cory C. ;
Houlton, Benjamin Z. ;
Smith, W. Kolby ;
Marklein, Alison R. ;
Reed, Sasha C. ;
Parton, William ;
Del Grosso, Stephen J. ;
Running, Steven W. .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2013, 110 (31) :12733-12737
[13]   Nitrogen storage and seasonal nitrogen cycling in Populus:: bridging molecular physiology and ecophysiology [J].
Cooke, JEK ;
Weih, M .
NEW PHYTOLOGIST, 2005, 167 (01) :19-30
[14]   The influence of time, storage temperature, and substrate age on potential soil enzyme activity in acidic forest soils using MUB-linked substrates and L-DOPA [J].
DeForest, Jared L. .
SOIL BIOLOGY & BIOCHEMISTRY, 2009, 41 (06) :1180-1186
[15]   Biological stoichiometry of plant production: metabolism, scaling and ecological response to global change [J].
Elser, J. J. ;
Fagan, W. F. ;
Kerkhoff, A. J. ;
Swenson, N. G. ;
Enquist, B. J. .
NEW PHYTOLOGIST, 2010, 186 (03) :593-608
[16]   Shifts in Lake N:P Stoichiometry and Nutrient Limitation Driven by Atmospheric Nitrogen Deposition [J].
Elser, James J. ;
Andersen, Tom ;
Baron, Jill S. ;
Bergstroem, Ann-Kristin ;
Jansson, Mats ;
Kyle, Marcia ;
Nydick, Koren R. ;
Steger, Laura ;
Hessen, Dag O. .
SCIENCE, 2009, 326 (5954) :835-837
[17]   Biological stoichiometry from genes to ecosystems [J].
Elser, JJ ;
Sterner, RW ;
Gorokhova, E ;
Fagan, WF ;
Markow, TA ;
Cotner, JB ;
Harrison, JF ;
Hobbie, SE ;
Odell, GM ;
Weider, LJ .
ECOLOGY LETTERS, 2000, 3 (06) :540-550
[18]   Alteration of the phenology of leaf senescence and fall in winter deciduous species by climate change: effects on nutrient proficiency [J].
Estiarte, Marc ;
Penuelas, Josep .
GLOBAL CHANGE BIOLOGY, 2015, 21 (03) :1005-1017
[19]   Transformation of the nitrogen cycle: Recent trends, questions, and potential solutions [J].
Galloway, James N. ;
Townsend, Alan R. ;
Erisman, Jan Willem ;
Bekunda, Mateete ;
Cai, Zucong ;
Freney, John R. ;
Martinelli, Luiz A. ;
Seitzinger, Sybil P. ;
Sutton, Mark A. .
SCIENCE, 2008, 320 (5878) :889-892
[20]   Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species [J].
Guo, Dali ;
Xia, Mengxue ;
Wei, Xing ;
Chang, Wenjing ;
Liu, Ying ;
Wang, Zhengquan .
NEW PHYTOLOGIST, 2008, 180 (03) :673-683