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Ecological Linkages Between Aboveground and Belowground Biota
David A. Wardle,1,2*Richard D. Bardgett,3John N. Klironomos,4Heikki Setälä,5Wim H. van der Putten,6Diana H. Wall7
All terrestrial ecosystems consist of aboveground and belowgroundcomponents that interact to influence community- and ecosystem-levelprocesses and properties. Here we show how these componentsare closely interlinked at the community level, reinforced bya greater degree of specificity between plants and soil organismsthan has been previously supposed. As such, aboveground andbelowground communities can be powerful mutual drivers, withboth positive and negative feedbacks. A combined aboveground-belowgroundapproach to community and ecosystem ecology is enhancing ourunderstanding of the regulation and functional significanceof biodiversity and of the environmental impacts of human-inducedglobal change phenomena.
1 Landcare Research, Post Office Box 69, Lincoln, New Zealand. 2 Department of Forest Vegetation Ecology, Swedish University of Agricultural Sciences, SE901 83 Umeå, Sweden. 3 Department of Biological Sciences, Institute of Environmental and Natural Sciences, Lancaster University, Lancaster LA1 4YQ, UK. 4 Department of Botany, University of Guelph, Guelph, Ontario, N1G 2W1, Canada. 5 Department of Ecological and Environmental Sciences, University of Helsinki, Niemenkatu 73, FIN-15140 Lahti, Finland. 6 Department of Multitrophic Interactions, Netherlands Institute of Ecology, Heteren, Netherlands. 7 Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523, USA.
* To whom correspondence should be addressed. E-mail: david.wardle{at}svek.slu.se
Metagenomic and Small-Subunit rRNA Analyses Reveal the Genetic Diversity of Bacteria, Archaea, Fungi, and Viruses in Soil.
N. Fierer, M. Breitbart, J. Nulton, P. Salamon, C. Lozupone, R. Jones, M. Robeson, R. A. Edwards, B. Felts, S. Rayhawk, et al. (2007)
Appl. Envir. Microbiol.
73, 7059-7066
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Soil Food Webs and Carbon Dynamics in Response to Conservation Tillage in California.
H. Minoshima, L.E. Jackson, T.R. Cavagnaro, S. Sanchez-Moreno, H. Ferris, S.R. Temple, S. Goyal, and J.P. Mitchell (2007)
Soil Sci. Soc. Am. J.
71, 952-963
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