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

来源：

ECOLOGY LETTERS | 2022年 / 25卷 / 04期

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

页码：754 / 765

页数：12

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