Arid
DOI10.1111/geb.12000
Vegetation-microclimate feedbacks in woodland-grassland ecotones
D’Odorico, Paolo1; He, Yufei1; Collins, Scott2; De Wekker, Stephan F. J.1; Engel, Vic3,4; Fuentes, Jose D.5
通讯作者D’Odorico, Paolo
来源期刊GLOBAL ECOLOGY AND BIOGEOGRAPHY
ISSN1466-822X
EISSN1466-8238
出版年2013
卷号22期号:4页码:364-379
英文摘要

Aim Climatic conditions exert a strong control on the geographic distribution of many woodland-to-grassland transition zones (or tree lines’). Because woody plants have, in general, a weaker cold tolerance than herbaceous vegetation, their altitudinal or latitudinal limits are strongly controlled by cold sensitivity. While temperature controls on the dynamics of woodlandgrassland ecotones are relatively well established, the ability of woody plants to modify their microclimate and to create habitat for seedling establishment and growth may involve a variety of processes that are still not completely understood. Here we investigate feedbacks between vegetation and microclimatic conditions in the proximity to woodlandgrassland ecotones. Location We concentrate on arctic and alpine tree lines, the transition between mangrove forests and salt marshes in coastal ecosystems, and the shift from shrubland to grassland along temperature gradients in arid landscapes. Methods We review the major abiotic and biotic mechanisms underlying the ability of woody plants to alter the nocturnal microclimate by increasing the temperatures they are exposed to. Results We find that in many arctic, alpine, desert and coastal landscapes the presence of trees or shrubs causes nocturnal warming thereby favouring the establishment and survival of woody plants. Main conclusion Because of this feedback, trees and shrubs may establish in areas that would be otherwise unsuitable for their survival. Thus, in grasslandwoodland transition zones both vegetation covers may be (alternative) stable states of the landscape, thereby affecting the way tree lines may migrate in response to regional and global climate change.


英文关键词Alternative stable states ecosystem engineering mangrove-marsh transition shrub encroachment tree line vegetation-microclimate feedback woodland-grassland ecotone
类型Review
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000315862800001
WOS关键词LOW-TEMPERATURE PHOTOINHIBITION ; NORTHERN CHIHUAHUAN DESERT ; NORWAY SPRUCE SEEDLINGS ; OF-MEXICO COAST ; RHIZOPHORA-MANGLE ; CLIMATE-CHANGE ; TREE-LINE ; ALPINE-TREELINE ; MANGROVE FOREST ; BOREAL FOREST
WOS类目Ecology ; Geography, Physical
WOS研究方向Environmental Sciences & Ecology ; Physical Geography
来源机构United States Geological Survey
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/177442
作者单位1.Univ Virginia, Dept Environm Sci, Charlottesville, VA 22904 USA;
2.Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA;
3.South Florida Nat Resource Ctr, Homestead, FL USA;
4.USGS, Southeast Ecol Sci Ctr, Gainesville, FL USA;
5.Penn State Univ, Dept Meteorol, University Pk, PA 16802 USA
推荐引用方式
GB/T 7714
D’Odorico, Paolo,He, Yufei,Collins, Scott,et al. Vegetation-microclimate feedbacks in woodland-grassland ecotones[J]. United States Geological Survey,2013,22(4):364-379.
APA D’Odorico, Paolo,He, Yufei,Collins, Scott,De Wekker, Stephan F. J.,Engel, Vic,&Fuentes, Jose D..(2013).Vegetation-microclimate feedbacks in woodland-grassland ecotones.GLOBAL ECOLOGY AND BIOGEOGRAPHY,22(4),364-379.
MLA D’Odorico, Paolo,et al."Vegetation-microclimate feedbacks in woodland-grassland ecotones".GLOBAL ECOLOGY AND BIOGEOGRAPHY 22.4(2013):364-379.
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