Richard D. Bardgett's Aboveground-Belowground Linkages: Biotic Interactions, PDF

By Richard D. Bardgett

ISBN-10: 0199546878

ISBN-13: 9780199546879

ISBN-10: 0199546886

ISBN-13: 9780199546886

Aboveground-Belowground Linkages presents the main updated and finished synthesis of modern advances in our figuring out of the jobs that interactions among aboveground and belowground groups play in regulating the constitution and serve as of terrestrial ecosystems, and their responses to worldwide switch. It charts the old improvement of this box of ecology and evaluates what will be discovered from the hot proliferation of reviews at the ecological and biogeochemical value of aboveground-belowground linkages. The ebook is established round 4 key subject matters: biotic interactions within the soil; plant neighborhood results; the position of aboveground shoppers; and the impact of species earnings and losses. A concluding bankruptcy attracts jointly this knowledge and identifies a few cross-cutting subject matters, together with attention of aboveground-belowground feedbacks that take place at various spatial and temporal scales, the results of those feedbacks for surroundings tactics, and the way aboveground-belowground interactions hyperlink to human-induced international swap.

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Additional resources for Aboveground-Belowground Linkages: Biotic Interactions, Ecosystem Processes, and Global Change (Oxford Series in Ecology and Evolution)

Example text

The dominant ecosystem engineers of tropical soils are termites, which can reach densities as high as 7000 m2 and constitute some 95% of belowground insect biomass (Aber et al. 2000). Termites feed mainly on decaying organic matter and roots, and are best known for their large effects on soil nutrient cycling and the physical architecture and hydrology of soils, through their mound-building and gallery-excavating activities (Aber et al. 2000; Hyodo et al. 2000).

From Fierer et al. (2009), with permission from Wiley-Blackwell. Consistent with this, Högberg et al. (2007) studied a range of boreal forests of contrasting nitrogen availability and nitrogen-loading, and found a strong negative correlation between gross nitrogen mineralization and the fungal-to-bacterial biomass ratio. Further, Wardle et al. (2004b) studied a series of long-term chronosequences around the globe (spanning from 6000 to over 4 million years) for which declines in standing plant biomass had occurred over time, and found that this decline was associated with increasing substrate phosphorus limitation for microbes and an increase in dominance of fungi relative to bacteria.

1994; Scheu 2003). However, very little is known about the significance of these processes in natural plant communities. The dominant ecosystem engineers of tropical soils are termites, which can reach densities as high as 7000 m2 and constitute some 95% of belowground insect biomass (Aber et al. 2000). Termites feed mainly on decaying organic matter and roots, and are best known for their large effects on soil nutrient cycling and the physical architecture and hydrology of soils, through their mound-building and gallery-excavating activities (Aber et al.

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Aboveground-Belowground Linkages: Biotic Interactions, Ecosystem Processes, and Global Change (Oxford Series in Ecology and Evolution) by Richard D. Bardgett


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