Arid
DOI10.1086/682674
Local Facilitation May Cause Tipping Points on a Landscape Level Preceded by Early-Warning Indicators
Xu, Chi1,2; Van Nes, Egbert H.2; Holmgren, Milena3; Kefi, Sonia4; Scheffer, Marten2
通讯作者Xu, Chi
来源期刊AMERICAN NATURALIST
ISSN0003-0147
EISSN1537-5323
出版年2015
卷号186期号:4页码:E81-E90
英文摘要

Positive biotic interactions play a significant role in shaping ecological communities. We used an individual-based model to demonstrate that plant facilitation on a microscale may cause ecosystem shifts on a landscape scale that can be announced by generic early-warning indicators. Recruitment of woody plants in harsh environments such as drylands often depends on nurse plants that ameliorate stressful conditions and facilitate the establishment of seedlings under their canopy. We found that these facilitative interactions may cause a treeless and a woodland state to be alternative stable states on a landscape scale if nurse plant effects are strong and if the environment is harsh enough to make facilitation necessary for seedling survival. A corollary is that under such conditions environmental change can bring drylands to tipping points for woody plant encroachment or woodland collapse. We show that the proximity of tipping points may be indicated by slowness of recovery of woody vegetation cover from small perturbations as well as by elevated temporal and spatial autocorrelation and variance. These signs are known to be indicators of critical slowing down. This is the first demonstration that the systemic phenomena of tipping points, announced by critical slowing down as a warning signal, may plausibly arise from microscale individual interactions, such as plant facilitation.


英文关键词alternative stable state dryland ecological transition individual-based model positive interaction vegetation shift
类型Article
语种英语
国家Peoples R China ; Netherlands ; France
收录类别SCI-E
WOS记录号WOS:000362840100002
WOS关键词TREE SEEDLING ESTABLISHMENT ; SPATIAL VEGETATION PATTERNS ; CRITICAL TRANSITIONS ; ARID ECOSYSTEMS ; TROPICAL FOREST ; POSITIVE INTERACTIONS ; CATASTROPHIC SHIFTS ; ABANDONED PASTURE ; PLANT SUCCESSION ; EASTERN AMAZONIA
WOS类目Ecology ; Evolutionary Biology
WOS研究方向Environmental Sciences & Ecology ; Evolutionary Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/185711
作者单位1.Nanjing Univ, Sch Life Sci, Nanjing 210023, Jiangsu, Peoples R China;
2.Wageningen Univ, Aquat Ecol & Water Qual Management Grp, NL-6700 AA Wageningen, Netherlands;
3.Wageningen Univ, Resource Ecol Grp, NL-6700 AA Wageningen, Netherlands;
4.Univ Montpellier, CNRS, Inst Sci Evolut, Inst Rech Dev,Ecole Prat Hautes Etudes, F-34095 Montpellier 05, France
推荐引用方式
GB/T 7714
Xu, Chi,Van Nes, Egbert H.,Holmgren, Milena,et al. Local Facilitation May Cause Tipping Points on a Landscape Level Preceded by Early-Warning Indicators[J],2015,186(4):E81-E90.
APA Xu, Chi,Van Nes, Egbert H.,Holmgren, Milena,Kefi, Sonia,&Scheffer, Marten.(2015).Local Facilitation May Cause Tipping Points on a Landscape Level Preceded by Early-Warning Indicators.AMERICAN NATURALIST,186(4),E81-E90.
MLA Xu, Chi,et al."Local Facilitation May Cause Tipping Points on a Landscape Level Preceded by Early-Warning Indicators".AMERICAN NATURALIST 186.4(2015):E81-E90.
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