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      Diversity of arbuscular mycorrhizal fungal spore communities and its relations to plants under increased temperature and precipitation in a natural grassland

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          Most cited references 43

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          A new fungal phylum, the Glomeromycota: phylogeny and evolution

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            Ecosystem stability and compensatory effects in the Inner Mongolia grassland.

            Numerous studies have suggested that biodiversity reduces variability in ecosystem productivity through compensatory effects; that is, a species increases in its abundance in response to the reduction of another in a fluctuating environment. But this view has been challenged on several grounds. Because most studies have been based on artificially constructed grasslands with short duration, long-term studies of natural ecosystems are needed. On the basis of a 24-year study of the Inner Mongolia grassland, here we present three key findings. First, that January-July precipitation is the primary climatic factor causing fluctuations in community biomass production; second, that ecosystem stability (conversely related to variability in community biomass production) increases progressively along the hierarchy of organizational levels (that is, from species to functional group to whole community); and finally, that the community-level stability seems to arise from compensatory interactions among major components at both species and functional group levels. From a hierarchical perspective, our results corroborate some previous findings of compensatory effects. Undisturbed mature steppe ecosystems seem to culminate with high biodiversity, productivity and ecosystem stability concurrently. Because these relationships are correlational, further studies are necessary to verify the causation among these factors. Our study provides new insights for better management and restoration of the rapidly degrading Inner Mongolia grassland.
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              Predominant role of water in regulating soil and microbial respiration and their responses to climate change in a semiarid grassland

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                Author and article information

                Journal
                Chinese Science Bulletin
                Chin. Sci. Bull.
                Springer Science and Business Media LLC
                1001-6538
                1861-9541
                November 2013
                July 27 2013
                November 2013
                : 58
                : 33
                : 4109-4119
                Article
                10.1007/s11434-013-5961-5
                © 2013
                Product

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