Climate and soil attributes determine plant species turnover in global drylands

被引：89

作者：

Ulrich, Werner ^{[1
]}

Soliveres, Santiago ^{[2
]}

Maestre, Fernando T. ^{[2
]}

Gotelli, Nicholas J. ^{[3
]}

Quero, Jose L. ^{[2
,4
]}

Delgado-Baquerizo, Manuel ^{[2
,5
]}

Bowker, Matthew A. ^{[6
]}

Eldridge, David J. ^{[7
]}

Ochoa, Victoria ^{[2
]}

Gozalo, Beatriz ^{[2
]}

Valencia, Enrique ^{[2
]}

Berdugo, Miguel ^{[2
]}

Escolar, Cristina ^{[2
]}

Garcia-Gomez, Miguel ^{[2
,8
]}

Escudero, Adrian ^{[2
]}

Prina, Anibal ^{[9
]}

Alfonso, Graciela ^{[9
]}

Arredondo, Tulio ^{[10
]}

Bran, Donaldo ^{[11
]}

Cabrera, Omar ^{[12
]}

Cea, Alex P. ^{[13
]}

Chaieb, Mohamed ^{[14
]}

Contreras, Jorge ^{[15
]}

Derak, Mchich ^{[16
]}

Espinosa, Carlos I. ^{[12
]}

Florentino, Adriana ^{[17
]}

Gaitan, Juan ^{[11
]}

Garcia Muro, Victoria ^{[18
]}

Ghiloufi, Wahida ^{[14
]}

Gomez-Gonzalez, Susana ^{[19
,20
]}

Gutierrez, Julio R. ^{[13
,20
,21
]}

Hernandez, Rosa M. ^{[22
]}

Huber-Sannwald, Elisabeth ^{[10
]}

Jankju, Mohammad ^{[23
]}

Mau, Rebecca L. ^{[24
]}

Hughes, Frederic Mendes ^{[25
]}

Miriti, Maria ^{[26
]}

Monerris, Jorge ^{[27
]}

Muchane, Muchai ^{[28
]}

Naseri, Kamal ^{[23
]}

Pucheta, Eduardo ^{[29
]}

Ramirez-Collantes, David A. ^{[30
]}

Raveh, Eran ^{[31
]}

Romao, Roberto L. ^{[32
]}

Torres-Diaz, Cristian ^{[19
,20
]}

Val, James ^{[7
]}

Pablo Veiga, Jose ^{[33
]}

Wang, Deli ^{[34
]}

Yuan, Xia ^{[34
]}

Zaady, Eli ^{[31
]}

机构：

[1] Nicolaus Copernicus Univ Torun, Chair Ecol & Biogeog, PL-87100 Torun, Poland

[2] Univ Rey Juan Carlos, Dept Biol & Geol, Area Biodiversidad & Conservac, Mostoles, Spain

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

[4] Univ Cordoba, Escuela Tecn Super Ingn Agron & Montes, Dept Ingn Forestal, Cordoba, Spain

[5] Univ Pablo de Olavide, Dept Sistemas Fis Quim & Nat, Seville, Spain

[6] No Arizona Univ, Sch Forestry, Flagstaff, AZ 86011 USA

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

[8] Univ Politecn Madrid, Dept Ingn & Morfol Terreno, Madrid, Spain

[9] Univ Nacl La Pampa, Fac Agron, La Pampa, Argentina

[10] Inst Potosino Invest Cient & Tecnol, Div Ciencias Ambientales, San Luis Potosi, Mexico

[11] Inst Nacl Tecnol Agr, Estn Expt San Carlos Bariloche, San Carlos De Bariloche, Rio Negro, Argentina

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

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

[14] Univ Sfax, UR Plant Biodivers & Ecosyst Arid Environm, Fac Sci, Sfax, Tunisia

[15] Univ Ctr Occidental Lizandro Alvarado, Dept Suelos, Barquisimeto, Estado Lara, Venezuela

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

[17] Cent Univ Venezuela, Inst Edafol, Fac Agron, Caracas, Estado Aragua, Venezuela

[18] CCT Mendoza, IANIGLA, Mendoza, Argentina

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

[20] Ctr Estudios Avanzados Zonas Aridas, La Serena, Chile

[21] Inst Ecol & Biodiversidad, Santiago, Chile

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

[23] Ferdowsi Univ Mashhad, Dept Range & Watershed Management, Mashhad, Iran

[24] No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA

[25] Univ Fed Minas Gerais, Dept Biol, Belo Horizonte, MG, Brazil

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

[27] Univ Quebec, Dept Sci Biol, Montreal, PQ H3C 3P8, Canada

[28] Natl Museums Kenya, Dept Zool, Nairobi, Kenya

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

[30] Int Potato Ctr, Prod Syst & Environm Subprogram, Lima, Peru

[31] Agr Res Org, Gilat Res Ctr, Dept Nat Resources & Citriculture, IL-85280 Negev, Israel

[32] Univ Estadual Feira de Santana, Dept Ciencias Biol, Feira De Santana, Brazil

[33] Museo Nacl CCNN, Dept Ecol Evolut, Madrid, Spain

[34] NE Normal Univ, Inst Grassland Sci, Key Lab Vegetat Ecol, Changchun, Peoples R China

来源：

JOURNAL OF BIOGEOGRAPHY | 2014年 / 41卷 / 12期

基金：

欧洲研究理事会;

关键词：

Aridity; beta diversity; climatic variability; global environmental change; habitat filtering; latitudinal gradient; plant community assembly; regression analysis; soil fertility; spatial soil heterogeneity; BETA-DIVERSITY; PATTERNS; TIME; DESERTIFICATION; BIODIVERSITY; NUTRIENTS; DOMINANCE; RICHNESS; EVENNESS; DRIVERS;

D O I：

10.1111/jbi.12377

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

AimGeographical, climatic and soil factors are major drivers of plant beta diversity, but their importance for dryland plant communities is poorly known. The aim of this study was to: (1) characterize patterns of beta diversity in global drylands; (2) detect common environmental drivers of beta diversity; and (3) test for thresholds in environmental conditions driving potential shifts in plant species composition. LocationGlobal. MethodsBeta diversity was quantified in 224 dryland plant communities from 22 geographical regions on all continents except Antarctica using four complementary measures: the percentage of singletons (species occurring at only one site); Whittaker's beta diversity, (W); a directional beta diversity metric based on the correlation in species occurrences among spatially contiguous sites, (R-2); and a multivariate abundance-based metric, (MV). We used linear modelling to quantify the relationships between these metrics of beta diversity and geographical, climatic and soil variables. ResultsSoil fertility and variability in temperature and rainfall, and to a lesser extent latitude, were the most important environmental predictors of beta diversity. Metrics related to species identity [percentage of singletons and (W)] were most sensitive to soil fertility, whereas those metrics related to environmental gradients and abundance [((R-2) and (MV)] were more associated with climate variability. Interactions among soil variables, climatic factors and plant cover were not important determinants of beta diversity. Sites receiving less than 178mm of annual rainfall differed sharply in species composition from more mesic sites (> 200mm). Main conclusionsSoil fertility and variability in temperature and rainfall are the most important environmental predictors of variation in plant beta diversity in global drylands. Our results suggest that those sites annually receiving c. 178mm of rainfall will be especially sensitive to future climate changes. These findings may help to define appropriate conservation strategies for mitigating effects of climate change on dryland vegetation.

引用

页码：2307 / 2319

页数：13

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