Mycorrhizas, Drought, and Host-Plant Mortality

Catherine A Gehring, R. L. Swaty, R. J. Deckert

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

As the Earth's climate changes, droughts are expected to become more intense, with consequences for plants and mycorrhizal fungi. We review recent studies examining the effects of drought on mycorrhizal fungi and the influence of mycorrhizal fungi on host plant-water relationships and drought tolerance. We also examine the consequences of drought-induced host mortality to mycorrhizal fungi and ecosystem processes using examples from the western United States. Mycorrhizal fungal abundance in roots and soil, as well as mycorrhizal fungal species composition, diversity, and activity are often affected by drought. Likewise both arbuscular (AM) and ectomycorrhizal (EcM) fungi increase the drought tolerance of their host plants, with more pronounced beneficial effects as drought stress increases. Host-plant mortality related to drought appears to disproportionately affect EcM plant species, with potential consequences for EcM fungi, the regeneration of plant hosts and ecosystem properties such as carbon (C) sequestration and nutrient cycling.

Original languageEnglish (US)
Title of host publicationMycorrhizal Mediation of Soil
Subtitle of host publicationFertility, Structure, and Carbon Storage
PublisherElsevier Inc.
Pages279-298
Number of pages20
ISBN (Electronic)9780128043837
ISBN (Print)9780128043127
DOIs
StatePublished - Nov 22 2016

Fingerprint

Droughts
mycorrhizae
host plant
host plants
drought
mycorrhizal fungi
mortality
Fungi
Mortality
fungus
drought tolerance
fungi
ecosystems
Western United States
Ecosystem
tolerance
plant and fungus
Carbon Sequestration
biogeochemical cycles
ecosystem

Keywords

  • Arbuscular mycorrhiza
  • Carbon (C) sequestration
  • Climate change
  • Drought
  • Ectomycorrhiza
  • Fungal diversity
  • Host-plant mortality
  • LANDFIRE

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Environmental Science(all)

Cite this

Gehring, C. A., Swaty, R. L., & Deckert, R. J. (2016). Mycorrhizas, Drought, and Host-Plant Mortality. In Mycorrhizal Mediation of Soil: Fertility, Structure, and Carbon Storage (pp. 279-298). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-804312-7.00016-4

Mycorrhizas, Drought, and Host-Plant Mortality. / Gehring, Catherine A; Swaty, R. L.; Deckert, R. J.

Mycorrhizal Mediation of Soil: Fertility, Structure, and Carbon Storage. Elsevier Inc., 2016. p. 279-298.

Research output: Chapter in Book/Report/Conference proceedingChapter

Gehring, CA, Swaty, RL & Deckert, RJ 2016, Mycorrhizas, Drought, and Host-Plant Mortality. in Mycorrhizal Mediation of Soil: Fertility, Structure, and Carbon Storage. Elsevier Inc., pp. 279-298. https://doi.org/10.1016/B978-0-12-804312-7.00016-4
Gehring CA, Swaty RL, Deckert RJ. Mycorrhizas, Drought, and Host-Plant Mortality. In Mycorrhizal Mediation of Soil: Fertility, Structure, and Carbon Storage. Elsevier Inc. 2016. p. 279-298 https://doi.org/10.1016/B978-0-12-804312-7.00016-4
Gehring, Catherine A ; Swaty, R. L. ; Deckert, R. J. / Mycorrhizas, Drought, and Host-Plant Mortality. Mycorrhizal Mediation of Soil: Fertility, Structure, and Carbon Storage. Elsevier Inc., 2016. pp. 279-298
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