Plant Species Richness and Ecosystem Multifunctionality in Global Drylands

Author:

Maestre Fernando T.1,Quero José L.1,Gotelli Nicholas J.2,Escudero Adrián1,Ochoa Victoria1,Delgado-Baquerizo Manuel3,García-Gómez Miguel14,Bowker Matthew A.5,Soliveres Santiago1,Escolar Cristina1,García-Palacios Pablo1,Berdugo Miguel1,Valencia Enrique1,Gozalo Beatriz1,Gallardo Antonio3,Aguilera Lorgio6,Arredondo Tulio7,Blones Julio8,Boeken Bertrand9,Bran Donaldo10,Conceição Abel A.11,Cabrera Omar12,Chaieb Mohamed13,Derak Mchich14,Eldridge David J.15,Espinosa Carlos I.12,Florentino Adriana16,Gaitán Juan10,Gatica M. Gabriel17,Ghiloufi Wahida13,Gómez-González Susana18,Gutiérrez Julio R.6,Hernández Rosa M.19,Huang Xuewen20,Huber-Sannwald Elisabeth7,Jankju Mohammad21,Miriti Maria22,Monerris Jorge23,Mau Rebecca L.24,Morici Ernesto25,Naseri Kamal21,Ospina Abelardo16,Polo Vicente1,Prina Aníbal25,Pucheta Eduardo17,Ramírez-Collantes David A.23,Romão Roberto11,Tighe Matthew26,Torres-Díaz Cristian18,Val James27,Veiga José P.28,Wang Deli29,Zaady Eli30

Affiliation:

1. Área de Biodiversidad y Conservación, Departamento de Biología y Geología, Escuela Superior de Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, Calle Tulipán Sin Número, 28933 Móstoles, Spain.

2. Department of Biology, University of Vermont, Burlington, VT 05405, USA.

3. Departamento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Carretera de Utrera kilómetre 1, 41013 Sevilla, Spain.

4. Departamento de Ingeniería y Morfología del Terreno, Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos, Universidad Politécnica de Madrid, Calle Profesor Aranguren Sin Número, 28040 Madrid.

5. U.S. Geological Survey, Southwest Biological Science Center, Post Office Box 5614, ARD Building, Northern Arizona University, Flagstaff, AZ 86011, USA.

6. Departamento de Biología, Universidad de La Serena, Casilla 599, La Serena, Chile.

7. División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y Tecnológica, Código Postal 78210 San Luis Potosí, San Luis Potosí Mexico.

8. Laboratorio de Biología Vegetal, Centro de Agroecología Tropical, Instituto de Estudios Científicos y Tecnológicos, Universidad Simón Rodríguez, Apdo 47925, Caracas, Venezuela.

9. Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sde-Boqer Campus 84990, Israel.

10. Instituto Nacional de Tecnología Agropecuaria, Estación Experimental San Carlos de Bariloche, Casilla de Correo 277 (8400), Bariloche, Río Negro, Argentina.

11. Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana, Avenida Transnordestina Sin Número, Bairro Novo Horizonte, Feira de Santana, Brasil.

12. Instituto de Ecología, Universidad Técnica Particular de Loja, San Cayetano Alto, Marcelino Champagnat, Loja, Ecuador.

13. Université de Sfax, Faculté des Sciences, Unité de Recherche Plant Diversity and Ecosystems in Arid Environments, Route de Sokra, kilomètro 3.5, Boîte Postale 802, 3018, Sfax, Tunisia.

14. Direction Régionale des Eaux et Forêts et de la Lutte Contre la Désertification du Rif, Avenue Mohamed 5, Boîte Postale 722, 93000 Tétouan, Morocco.

15. School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia.

16. Instituto de Edafología, Facultad de Agronomía, Universidad Central de Venezuela, Ciudad Universitaria, Caracas, Venezuela.

17. Departamento de Biología, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de San Juan, J5402DCS Rivadavia, San Juan, Argentina.

18. Laboratorio de Genómica y Biodiversidad, Departamento de Ciencias Básicas, Universidad del Bío-Bío, Chillán, Chile.

19. Laboratorio de Biogeoquímica, Centro de Agroecología Tropical, Universidad Experimental Simón Rodríguez, Apdo 47925, Caracas, Venezuela.

20. Department of Biology and Chemistry, Hulunbuir College, Hailar, Inner Mongolia 021008, China.

21. Department of Range and Watershed Management, Faculty of Natural Resources and Environment, Ferdowsi University of Mashhad, Azadi Square, Mashhad, 91775–1363, Iran.

22. Department of Evolution, Ecology and Organismal Biology, Ohio State University, 318 West 12th Avenue, Columbus, OH 43210, USA.

23. Departamento de Biología, Facultad de Ciencias, Universidad Nacional Agraria La Molina, Avenida La Molina Sin Número, Lima, Peru.

24. Department of Biological Sciences, Northern Arizona University, Post Office Box 5640, Flagstaff, AZ 86011–5640, USA.

25. Facultad de Agronomía, Universidad Nacional de La Pampa, Casilla de Correo 300, 6300 Santa Rosa, La Pampa, Argentina.

26. Department of Agronomy and Soil Science, School of Environmental and Rural Science, University of New England, Armidale, New South Wales 2351, Australia.

27. Office of Environment and Heritage, Post Office Box 363, Buronga, New South Wales 2739, Australia.

28. Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales, José Gutiérrez Abascal, 2, 28006 Madrid, Spain.

29. Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, Jilin 130024, China.

30. Department of Natural Resources and Agronomy, Agriculture Research Organization, Ministry of Agriculture, Gilat Research Center, Mobile Post Negev 85280, Israel.

Abstract

Global Ecosystem Analysis The relationship between species richness and the functional properties of their ecosystems has often been studied at small scales in experimental plots. Maestre et al. (p. 214 ; see the Perspective by Midgley ) performed field measurements at 224 dryland sites from six continents and assessed 14 ecosystem functions related to carbon, nitrogen, and phosphorus cycling. Positive relationships were observed between perennial plant species richness and ecosystem functionality. The relative importance of biodiversity was found to be as large as, or larger than, many key abiotic variables. Thus, preservation of plant biodiversity is important to buffer negative effects of climate change and desertification in drylands, which collectively cover 41% of Earth's land surface and support over 38% of the human population.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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