Microbial responses to a changing environment: implications for the future functioning of terrestrial ecosystems

Zak, DR; Pregitzer, KS; Burton, AJ; Edwards, IP; Kellner, H

HERO ID

1576175

Reference Type

Journal Article

Year

2011

Language

English

HERO ID 1576175
In Press No
Year 2011
Title Microbial responses to a changing environment: implications for the future functioning of terrestrial ecosystems
Authors Zak, DR; Pregitzer, KS; Burton, AJ; Edwards, IP; Kellner, H
Journal Fungal Ecology
Volume 4
Issue 6
Page Numbers 386-395
Abstract In this review, we present a conceptual model which links plant communities and saprotrophic microbial communities through the reciprocal exchange of growth-limiting resources. We discuss the numerous ways human-induced environmental change has directly and indirectly impacted this relationship, and review microbial responses that have occurred to date. We argue that compositional shifts in saprotrophic microbial communities underlie functional responses to environmental change that have ecosystem-level implications. Drawing on a long-term, large-scale, field experiment, we illustrate how and why chronic atmospheric N deposition can alter saprotrophic communities in the soil of a wide-spread sugar maple (Acer saccharum) ecosystem in northeastern North America, resulting in the slowing of plant litter decay, the rapid accumulation of soil organic matter, and the accelerated production and loss of dissolved organic carbon (DOC). Compositional shifts in soil microbial communities, mediated by ecological interactions among soil saprotrophs, appear to lie at the biogeochemical heart of ecosystem response to environmental change.
Doi 10.1016/j.funeco.2011.04.001
Wosid WOS:000297427600004
Is Certified Translation No
Dupe Override No
Comments Source: Web of Science WOS:000297427600004
Is Public Yes
Language Text English
Keyword Actinobacteria; Ascomycetes; Basidiomycetes; Biogeochemistry; Climate change; Extracellular enzymes; Fungi; Gene transcription; Litter decay; Nitrogen deposition; Soil organic matter storage
Is Peer Review Yes