Serveur d'exploration sur les relations entre la France et l'Australie

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Structure and functioning of dryland ecosystems in a changing world

Identifieur interne : 001C74 ( Pmc/Curation ); précédent : 001C73; suivant : 001C75

Structure and functioning of dryland ecosystems in a changing world

Auteurs : Fernando T. Maestre [Espagne] ; David J. Eldridge [Australie] ; Santiago Soliveres [Suisse] ; Sonia Kéfi [France] ; Manuel Delgado-Baquerizo [Australie] ; Matthew A. Bowker [États-Unis] ; Pablo García-Palacios [Espagne] ; Juan Gaitán [Argentine] ; Antonio Gallardo [Espagne] ; Roberto Lázaro [Espagne] ; Miguel Berdugo [Espagne]

Source :

RBID : PMC:5321561

Abstract

Understanding how drylands respond to ongoing environmental change is extremely important for global sustainability. Here we review how biotic attributes, climate, grazing pressure, land cover change and nitrogen deposition affect the functioning of drylands at multiple spatial scales. Our synthesis highlights the importance of biotic attributes (e.g. species richness) in maintaining fundamental ecosystem processes such as primary productivity, illustrate how N deposition and grazing pressure are impacting ecosystem functioning in drylands worldwide, and highlight the importance of the traits of woody species as drivers of their expansion in former grasslands. We also emphasize the role of attributes such as species richness and abundance in controlling the responses of ecosystem functioning to climate change. This knowledge is essential to guide conservation and restoration efforts in drylands, as biotic attributes can be actively managed at the local scale to increase ecosystem resilience to global change.


Url:
DOI: 10.1146/annurev-ecolsys-121415-032311
PubMed: 28239303
PubMed Central: 5321561

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PMC:5321561

Le document en format XML

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<p id="P1">Understanding how drylands respond to ongoing environmental change is extremely important for global sustainability. Here we review how biotic attributes, climate, grazing pressure, land cover change and nitrogen deposition affect the functioning of drylands at multiple spatial scales. Our synthesis highlights the importance of biotic attributes (e.g. species richness) in maintaining fundamental ecosystem processes such as primary productivity, illustrate how N deposition and grazing pressure are impacting ecosystem functioning in drylands worldwide, and highlight the importance of the traits of woody species as drivers of their expansion in former grasslands. We also emphasize the role of attributes such as species richness and abundance in controlling the responses of ecosystem functioning to climate change. This knowledge is essential to guide conservation and restoration efforts in drylands, as biotic attributes can be actively managed at the local scale to increase ecosystem resilience to global change.</p>
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<given-names>Fernando T.</given-names>
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<name>
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<surname>Bowker</surname>
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<given-names>Juan</given-names>
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<name>
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<given-names>Antonio</given-names>
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Departamento de Biología y Geología, Física y Química Inorgánica, Escuela Superior de Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, Calle Tulipán s/n, 28933 Móstoles, Spain</aff>
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Centre for Ecosystem Science, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia</aff>
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Institute of Plant Sciences, University of Bern, Alternbengrain 21, 3013 Bern, Switzerland</aff>
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<label>4</label>
Institut des Sciences de l’Evolution, Université de Montpellier, CNRS, IRD, EPHE, CC 065, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France</aff>
<aff id="A5">
<label>5</label>
Hawkesbury Institute for the Environment, Western Sydney University, Penrith, 2751, New South Wales, Australia</aff>
<aff id="A6">
<label>6</label>
School of Forestry, Northern Arizona University, 200 East Pine Knoll Drive, AZ 86011, Flagstaff, USA</aff>
<aff id="A7">
<label>7</label>
Instituto de Suelos, CIRN, INTA, Nicolas Repetto y de los Reseros Sin Número, 1686 Hurlingham, Buenos Aires, Argentina</aff>
<aff id="A8">
<label>8</label>
Departamento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Carretera de Utrera kilómetro 1, 41013 Sevilla, Spain</aff>
<aff id="A9">
<label>9</label>
Departamento de Desertificación y Geoecología. Estación Experimental de Zonas Áridas, CSIC, Almería, Spain</aff>
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<self-uri xlink:href="http://www.annualreviews.org/doi/full/10.1146/annurev-ecolsys-121415-032311"></self-uri>
<abstract>
<p id="P1">Understanding how drylands respond to ongoing environmental change is extremely important for global sustainability. Here we review how biotic attributes, climate, grazing pressure, land cover change and nitrogen deposition affect the functioning of drylands at multiple spatial scales. Our synthesis highlights the importance of biotic attributes (e.g. species richness) in maintaining fundamental ecosystem processes such as primary productivity, illustrate how N deposition and grazing pressure are impacting ecosystem functioning in drylands worldwide, and highlight the importance of the traits of woody species as drivers of their expansion in former grasslands. We also emphasize the role of attributes such as species richness and abundance in controlling the responses of ecosystem functioning to climate change. This knowledge is essential to guide conservation and restoration efforts in drylands, as biotic attributes can be actively managed at the local scale to increase ecosystem resilience to global change.</p>
</abstract>
<kwd-group>
<kwd>climate</kwd>
<kwd>abiotic factors</kwd>
<kwd>land use change</kwd>
<kwd>biotic attributes</kwd>
<kwd>drought</kwd>
<kwd>biodiversity</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>

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