Plant Species Richness and Ecosystem Multifunctionality in Global Drylands

被引：1134

作者：

Maestre, Fernando T. ^{[1
]}

Quero, Jose L. ^{[1
]}

Gotelli, Nicholas J. ^{[2
]}

Escudero, Adrian ^{[1
]}

Ochoa, Victoria ^{[1
]}

Delgado-Baquerizo, Manuel ^{[3
]}

Garcia-Gomez, Miguel ^{[1
,4
]}

Bowker, Matthew A. ^{[5
]}

Soliveres, Santiago ^{[1
]}

Escolar, Cristina ^{[1
]}

Garcia-Palacios, Pablo ^{[1
]}

Berdugo, Miguel ^{[1
]}

Valencia, Enrique ^{[1
]}

Gozalo, Beatriz ^{[1
]}

Gallardo, Antonio ^{[3
]}

Aguilera, Lorgio ^{[6
]}

Arredondo, Tulio ^{[7
]}

Blones, Julio ^{[8
]}

Boeken, Bertrand ^{[9
]}

Bran, Donaldo ^{[10
]}

Conceicao, Abel A. ^{[11
]}

Cabrera, Omar ^{[12
]}

Chaieb, Mohamed ^{[13
]}

Derak, Mchich ^{[14
]}

Eldridge, David J. ^{[15
]}

Espinosa, Carlos I. ^{[12
]}

Florentino, Adriana ^{[16
]}

Gaitan, Juan ^{[10
]}

Gatica, M. Gabriel ^{[17
]}

Ghiloufi, Wahida ^{[13
]}

Gomez-Gonzalez, Susana ^{[18
]}

Gutierrez, Julio R. ^{[6
]}

Hernandez, Rosa M. ^{[19
]}

Huang, Xuewen ^{[20
]}

Huber-Sannwald, Elisabeth ^{[7
]}

Jankju, Mohammad ^{[21
]}

Miriti, Maria ^{[22
]}

Monerris, Jorge ^{[23
]}

Mau, Rebecca L. ^{[24
]}

Morici, Ernesto ^{[25
]}

Naseri, Kamal ^{[21
]}

Ospina, Abelardo ^{[16
]}

Polo, Vicente ^{[1
]}

Prina, Anibal ^{[25
]}

Pucheta, Eduardo ^{[17
]}

Ramirez-Collantes, David A. ^{[23
]}

Romao, Roberto ^{[10
]}

Tighe, Matthew ^{[26
]}

Torres-Diaz, Cristian ^{[18
]}

Val, James ^{[27
]}

机构：

[1] Univ Rey Juan Carlos, Escuela Super Ciencias Expt & Tecnol, Dept Biol & Geol, Area Biodiversidad & Conservac, Mostoles 28933, Spain

[2] Univ Vermont, Dept Biol, Burlington, VT 05405 USA

[3] Univ Pablo Olavide, Dept Sistemas Fis Quim & Nat, Seville 41013, Spain

[4] Univ Politecn Madrid, Escuela Tecn Super Ingn Caminos Canales & Puertos, Dept Ingn & Morfol Terreno, E-28040 Madrid, Spain

[5] No Arizona Univ, SW Biol Sci Ctr, US Geol Survey, Flagstaff, AZ 86011 USA

[6] Univ La Serena, Dept Biol, La Serena, Chile

[7] Inst Potosino Invest Cient & Tecnol, Div Ciencias Ambient, San Luis Potosi 78210, Mexico

[8] Univ Simon Rodriguez, Inst Estudios Cient & Tecnol, Ctr Agroecol Trop, Lab Biol Vegetal, Caracas, Venezuela

[9] Ben Gurion Univ Negev, Jacob Blaustein Inst Desert Res, IL-84990 Sede Boqer, Israel

[10] Inst Nacl Tecnol Agropecuaria, Estac Expt San Carlos Bariloche, San Carlos De Bariloche, Rio Negro, Argentina

[11] Univ Estadual Feira de Santana, Dept Ciencias Biol, Bairro Novo Horizonte, Feira Santana, Brazil

[12] Univ Tecn Particular Loja, Inst Ecol, Loja, Ecuador

[13] Univ Sfax, Fac Sci, Unite Rech Plant Divers & Ecosyst Arid Environm, Sfax 3018, Tunisia

[14] Direct Reg Eaux & Forets & Lutte Desertificat Rif, Tetouan 93000, Morocco

[15] Univ New S Wales, Sch Biol Earth & Environm Sci, Sydney, NSW 2052, Australia

[16] Cent Univ Venezuela, Fac Agr, Inst Edafol, Caracas, Venezuela

[17] Univ Nacl San Juan, Fac Ciencias Exactas & Fis Nat, Dept Biol, San Juan, Argentina

[18] Univ Bio Bio, Dept Ciencias Basicas, Lab Genom & Biodiversidad, Chillan, Chile

[19] Univ Expt Simon Rodriguez, Ctr Agroecol Trop, Lab Biogeoquim, Caracas, Venezuela

[20] Hulunbuir Coll, Dept Biol & Chem, Hailar 021008, InnerMongolia, Peoples R China

[21] Ferdowsi Univ Mashhad, Fac Nat Resources & Environm, Dept Range & Watershed Management, Mashhad 917751363, Iran

[22] Ohio State Univ, Dept Evolut Ecol & Organismal Biol, Columbus, OH 43210 USA

[23] Univ Nacl Agraria La Molina, Fac Ciencias, Dept Biol, Lima, Peru

[24] No Arizona Univ, Dept Biol Sci, Flagstaff, AZ 86011 USA

[25] Univ Nacl La Pampa, Fac Agr, RA-6300 La Pampa, Argentina

[26] Univ New England, Sch Environm & Rural Sci, Dept Agron & Soil Sci, Armidale, NSW 2351, Australia

[27] Off Environm & Heritage, Buronga, NSW 2739, Australia

[28] CSIC, Museo Nacl Ciencias Nat, Dept Ecol Evolut, E-28006 Madrid, Spain

[29] NE Normal Univ, Key Lab Vegetat Ecol, Minist Educ, Inst Grassland Sci, Changchun 130024, Jilin, Peoples R China

[30] Gilat Res Ctr, Minist Agr, Agr Res Org, Dept Nat Resources & Agron, IL-85280 Negev, Israel

来源：

SCIENCE | 2012年 / 335卷 / 6065期

基金：

欧洲研究理事会;

关键词：

DIVERSITY; BIODIVERSITY; PRODUCTIVITY; DESERTIFICATION;

D O I：

10.1126/science.1215442

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Experiments suggest that biodiversity enhances the ability of ecosystems to maintain multiple functions, such as carbon storage, productivity, and the buildup of nutrient pools (multifunctionality). However, the relationship between biodiversity and multifunctionality has never been assessed globally in natural ecosystems. We report here on a global empirical study relating plant species richness and abiotic factors to multifunctionality in drylands, which collectively cover 41% of Earth's land surface and support over 38% of the human population. Multifunctionality was positively and significantly related to species richness. The best-fitting models accounted for over 55% of the variation in multifunctionality and always included species richness as a predictor variable. Our results suggest that the preservation of plant biodiversity is crucial to buffer negative effects of climate change and desertification in drylands.

引用

页码：214 / 218

页数：6

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