Nutrient identity modifies the destabilising effects of eutrophication in grasslands

被引:27
作者
Carroll, Oliver [1 ]
Batzer, Evan [2 ]
Bharath, Siddharth [3 ]
Borer, Elizabeth T. [3 ]
Campana, Sofia [4 ]
Esch, Ellen [1 ]
Hautier, Yann [5 ]
Ohlert, Timothy [6 ]
Seabloom, Eric W. [3 ]
Adler, Peter B. [7 ,8 ]
Bakker, Jonathan D. [9 ]
Biederman, Lori [10 ]
Bugalho, Miguel N. [11 ]
Caldeira, Maria [12 ]
Chen, Qingqing [13 ,14 ]
Davies, Kendi F. [15 ]
Fay, Philip A. [16 ]
Knops, Johannes M. H. [17 ]
Komatsu, Kimberly [18 ]
Martina, Jason P. [19 ]
McCann, Kevin S. [1 ]
Moore, Joslin L. [20 ]
Morgan, John W. [21 ]
Muraina, Taofeek O. [22 ]
Osborne, Brooke [23 ]
Risch, Anita C. [24 ]
Stevens, Carly [25 ]
Wilfahrt, Peter A. [3 ]
Yahdjian, Laura [4 ]
MacDougall, Andrew S. [1 ]
机构
[1] Univ Guelph, Dept Integrat Biol, Guelph, ON N1G 2W1, Canada
[2] Univ Calif Davis, Dept Plant Sci, Davis, CA 95616 USA
[3] Univ Minnesota, Dept Ecol Evolut & Behav, St Paul, MN 55108 USA
[4] Univ Buenos Aires, CONICET, Fac Agron, IFEVA, Buenos Aires, DF, Argentina
[5] Univ Utrecht, Dept Biol, Ecol & Biodivers Grp, Utrecht, Netherlands
[6] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA
[7] Utah State Univ, Dept Wildland Resources, Logan, UT 84322 USA
[8] Utah State Univ, Ctr Ecol, Logan, UT 84322 USA
[9] Univ Washington, Sch Environm & Forest Sci, Seattle, WA 98195 USA
[10] Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA USA
[11] Univ Lisbon, Sch Agr, Ctr Appl Ecol Prof Baets Neves CEABN InBIO, Lisbon, Portugal
[12] Univ Lisbon, Forest Res Ctr, Sch Agr, Lisbon, Portugal
[13] Peking Univ, Inst Ecol, Coll Urban & Environm Sci, Beijing, Peoples R China
[14] Peking Univ, Minist Educ, Key Lab Earth Surface Proc, Beijing, Peoples R China
[15] Univ Colorado, Dept Ecol & Evolutionary Biol, Boulder, CO 80309 USA
[16] USDA ARS, Grassland Soil & Water Res Lab, Temple, TX 76502 USA
[17] Xian Jiaotong Liverpool Univ, Dept Hlth & Environm Sci, Suzhou, Jiangsu, Peoples R China
[18] Smithsonian Environm Res Ctr, POB 28, Edgewater, MD 21037 USA
[19] Texas State Univ, Dept Biol, San Marcos, TX USA
[20] Monash Univ, Sch Biol Sci, Clayton, Vic, Australia
[21] La Trobe Univ, Dept Ecol Environm & Evolut, Bundoora, Vic, Australia
[22] Oyo State Coll Agr & Technol, Dept Anim Hlth & Prod, Igbo Ora, Nigeria
[23] US Geol Survey, Southwest Biol Sci Ctr, Moab, UT USA
[24] Swiss Fed Inst Forest Snow & Landscape Res WST, Birmensdorf, Switzerland
[25] Univ Lancaster, Lancaster Environm Ctr, Lancaster, England
基金
加拿大自然科学与工程研究理事会;
关键词
biodiversity loss; biomass; co-limitation; ecosystem function; ecosystem stability; nutrient enrichment; nutrient Network (NutNet); synchrony; variability; ECOSYSTEM STABILITY; BIODIVERSITY LOSS; SPECIES RICHNESS; PLANT DIVERSITY; PRODUCTIVITY; COMMUNITY; NITROGEN; POPULATION; LIMITATION; PRECIPITATION;
D O I
10.1111/ele.13946
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Nutrient enrichment can simultaneously increase and destabilise plant biomass production, with co-limitation by multiple nutrients potentially intensifying these effects. Here, we test how factorial additions of nitrogen (N), phosphorus (P) and potassium with essential nutrients (K+) affect the stability (mean/standard deviation) of aboveground biomass in 34 grasslands over 7 years. Destabilisation with fertilisation was prevalent but was driven by single nutrients, not synergistic nutrient interactions. On average, N-based treatments increased mean biomass production by 21-51% but increased its standard deviation by 40-68% and so consistently reduced stability. Adding P increased interannual variability and reduced stability without altering mean biomass, while K+ had no general effects. Declines in stability were largest in the most nutrient-limited grasslands, or where nutrients reduced species richness or intensified species synchrony. We show that nutrients can differentially impact the stability of biomass production, with N and P in particular disproportionately increasing its interannual variability.
引用
收藏
页码:754 / 765
页数:12
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