Artículo

Cardinale, B.J.; Gross, K.; Fritschie, K.; Flombaum, P.; Fox, J.W.; Rixen, C.; Van Ruijven, J.; Reich, P.B.; Scherer-Lorenzen, M.; Wilsey, B.J. "Biodiversity simultaneously enhances the production and stability of community biomass, but the effects are independent" (2013) Ecology. 94(8):1697-1707
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Abstract:

To predict the ecological consequences of biodiversity loss, researchers have spent much time and effort quantifying how biological variation affects the magnitude and stability of ecological processes that underlie the functioning of ecosystems. Here we add to this work by looking at how biodiversity jointly impacts two aspects of ecosystem functioning at once: (1) the production of biomass at any single point in time (biomass/area or biomass/ volume), and (2) the stability of biomass production through time (the CV of changes in total community biomass through time). While it is often assumed that biodiversity simultaneously enhances both of these aspects of ecosystem functioning, the joint distribution of data describing how species richness regulates productivity and stability has yet to be quantified. Furthermore, analyses have yet to examine how diversity effects on production covary with diversity effects on stability. To overcome these two gaps, we reanalyzed the data from 34 experiments that have manipulated the richness of terrestrial plants or aquatic algae and measured how this aspect of biodiversity affects community biomass at multiple time points. Our reanalysis confirms that biodiversity does indeed simultaneously enhance both the production and stability of biomass in experimental systems, and this is broadly true for terrestrial and aquatic primary producers. However, the strength of diversity effects on biomass production is independent of diversity effects on temporal stability. The independence of effect sizes leads to two important conclusions. First, while it may be generally true that biodiversity enhances both productivity and stability, it is also true that the highest levels of productivity in a diverse community are not associated with the highest levels of stability. Thus, on average, diversity does not maximize the various aspects of ecosystem functioning we might wish to achieve in conservation and management. Second, knowing how biodiversity affects productivity gives no information about how diversity affects stability (or vice versa). Therefore, to predict the ecological changes that occur in ecosystems after extinction, we will need to develop separate mechanistic models for each independent aspect of ecosystem functioning. © 2013 by the Ecological Society of America.

Registro:

Documento: Artículo
Título:Biodiversity simultaneously enhances the production and stability of community biomass, but the effects are independent
Autor:Cardinale, B.J.; Gross, K.; Fritschie, K.; Flombaum, P.; Fox, J.W.; Rixen, C.; Van Ruijven, J.; Reich, P.B.; Scherer-Lorenzen, M.; Wilsey, B.J.
Filiación:School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109, United States
Biomathematics Graduate Program, North Carolina State University, Raleigh, NC 27695, United States
Centro de Investigaciones del Mar y la Atmósfera, Departamento de Ciencias de la Atmósfera y los Océanos, Instituto Franco-Argentino sobre Estudios de Clima y sus Impactos (CONICET/UBA-FCEN/UMI-CNRS), Buenos Aires, Argentina
Department of Biological Sciences, University of Calgary, Calgary, AB T2N 1N4, Canada
WSL Institute for Snow and Avalanche Research SLF, Fluelastrasse 11, 7260 Davos, Switzerland
Nature Conservation and Plant Ecology Group, Wageningen University, 6700 AA Wageningen, Netherlands
Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States
Hawkesbury Institute for the Environment, University of Western Sydney, Penrith, NSW 2751, Australia
Faculty of Biology, Geobotany, University of Freiburg, Schaenzlestrasse 1, 79104 Freiburg, Germany
Department of Ecology, Evolution and Organismal Biology, Iowa State University, 253 Bessey Hall, Ames, IA 50011, United States
Palabras clave:Biodiversity; Community biomass; Ecosystem functioning; Ecosystem stability; Productivity; Species richness; alga; biodiversity; biomass; data acquisition; ecosystem function; plant community; primary production; species richness; terrestrial ecosystem; article; biodiversity; biological model; biomass; Biodiversity; Biomass; Models, Biological
Año:2013
Volumen:94
Número:8
Página de inicio:1697
Página de fin:1707
DOI: http://dx.doi.org/10.1890/12-1334.1
Título revista:Ecology
Título revista abreviado:Ecology
ISSN:00129658
CODEN:ECOLA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00129658_v94_n8_p1697_Cardinale

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Citas:

---------- APA ----------
Cardinale, B.J., Gross, K., Fritschie, K., Flombaum, P., Fox, J.W., Rixen, C., Van Ruijven, J.,..., Wilsey, B.J. (2013) . Biodiversity simultaneously enhances the production and stability of community biomass, but the effects are independent. Ecology, 94(8), 1697-1707.
http://dx.doi.org/10.1890/12-1334.1
---------- CHICAGO ----------
Cardinale, B.J., Gross, K., Fritschie, K., Flombaum, P., Fox, J.W., Rixen, C., et al. "Biodiversity simultaneously enhances the production and stability of community biomass, but the effects are independent" . Ecology 94, no. 8 (2013) : 1697-1707.
http://dx.doi.org/10.1890/12-1334.1
---------- MLA ----------
Cardinale, B.J., Gross, K., Fritschie, K., Flombaum, P., Fox, J.W., Rixen, C., et al. "Biodiversity simultaneously enhances the production and stability of community biomass, but the effects are independent" . Ecology, vol. 94, no. 8, 2013, pp. 1697-1707.
http://dx.doi.org/10.1890/12-1334.1
---------- VANCOUVER ----------
Cardinale, B.J., Gross, K., Fritschie, K., Flombaum, P., Fox, J.W., Rixen, C., et al. Biodiversity simultaneously enhances the production and stability of community biomass, but the effects are independent. Ecology. 2013;94(8):1697-1707.
http://dx.doi.org/10.1890/12-1334.1