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Mycorrhizal networks and forest resilience to drought

Pickles, B. J. and Simard, S. W. (2017) Mycorrhizal networks and forest resilience to drought. In: Johnson, N. C., Gehring, C. and Jansa, J. (eds.) Mycorrhizal Mediation of Soil - Fertility, Structure, and Carbon Storage. Elsevier, Amsterdam, pp. 319-339. ISBN 9780128043127

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To link to this item DOI: 10.1016/B978-0-12-804312-7.00018-8

Abstract/Summary

Many forest ecosystems are experiencing increased drought stress due to changing patterns of aridity, due to both climate change and human land-use activities. Mycorrhizal fungi are known to provide their hosts with increased drought resistance in many circumstances, either through improved resource acquisition, direct uptake of water, or translocation of water obtained by their hosts. The ability of many mycorrhizal fungi to form mycelial networks, in which an individual mycelium connects to the roots of multiple host plants, provides a mechanism for the redistribution of water into upper soil layers experiencing low soil water potential. Here we review the roles of mycorrhizal fungi and mycorrhizal networks in water uptake and hydraulic redistribution, and consider how these may interact with host plants to moderate forest responses to increasing drought pressure. Lastly we present knowledge gaps and suggest several areas which would benefit from further research.

Item Type:Book or Report Section
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Ecology and Evolutionary Biology
ID Code:68654
Publisher:Elsevier
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