Plant-soil interactions in metal contaminated soils

Jennifer Krumins, Nina Goodey, Frank Gallagher

Research output: Contribution to journalReview articleResearchpeer-review

28 Citations (Scopus)

Abstract

The legacy of industrialization has left many soils contaminated. However, soil organisms and plant communities can thrive in spite of metal contamination and, in some cases, metabolize and help in remediation. The responses of plants and soil organisms to contamination are mutually dependent and dynamic. Plant-soil feedbacks are central to the development of any terrestrial community; they are ongoing in both contaminated and healthy soils. However, the theory that governs plant-soil feedbacks in healthy soils needs to be studied in contaminated soils. In healthy soils, negative feedbacks ( i.e. pathogens) play a central role in shaping plant community structure. However to our knowledge, the nature of feedback relationships has never been addressed in contaminated soils. Here we review literature that supports a plant-soil feedback approach to understanding the ecology of metal-contaminated soil. Further, we discuss the idea that within these soils, the role of positive as opposed to negative plant-soil feedbacks may be more important. Testing this idea in a rigorous way in any ecosystem is challenging, and metal contamination imposes an additional abiotic constraint. We discuss research goals and experimental approaches to study plant-soil interactions applicable to metal-contaminated soils; these insights can be extended to other contaminated environments and restoration efforts.

Original languageEnglish
Pages (from-to)224-231
Number of pages8
JournalSoil Biology and Biochemistry
Volume80
DOIs
StatePublished - 24 Oct 2014

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soil-plant interactions
polluted soils
Soil
Metals
metals
metal
soil
plant communities
plant community
contaminated soil
industrialization
remediation
literature review
plant response
community structure
pathogen
Plant Structures
ecology
ecosystems
pathogens

Keywords

  • Facilitation
  • Metal contamination
  • Plant-soil feedbacks

Cite this

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title = "Plant-soil interactions in metal contaminated soils",
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Plant-soil interactions in metal contaminated soils. / Krumins, Jennifer; Goodey, Nina; Gallagher, Frank.

In: Soil Biology and Biochemistry, Vol. 80, 24.10.2014, p. 224-231.

Research output: Contribution to journalReview articleResearchpeer-review

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T1 - Plant-soil interactions in metal contaminated soils

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AU - Goodey, Nina

AU - Gallagher, Frank

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N2 - The legacy of industrialization has left many soils contaminated. However, soil organisms and plant communities can thrive in spite of metal contamination and, in some cases, metabolize and help in remediation. The responses of plants and soil organisms to contamination are mutually dependent and dynamic. Plant-soil feedbacks are central to the development of any terrestrial community; they are ongoing in both contaminated and healthy soils. However, the theory that governs plant-soil feedbacks in healthy soils needs to be studied in contaminated soils. In healthy soils, negative feedbacks ( i.e. pathogens) play a central role in shaping plant community structure. However to our knowledge, the nature of feedback relationships has never been addressed in contaminated soils. Here we review literature that supports a plant-soil feedback approach to understanding the ecology of metal-contaminated soil. Further, we discuss the idea that within these soils, the role of positive as opposed to negative plant-soil feedbacks may be more important. Testing this idea in a rigorous way in any ecosystem is challenging, and metal contamination imposes an additional abiotic constraint. We discuss research goals and experimental approaches to study plant-soil interactions applicable to metal-contaminated soils; these insights can be extended to other contaminated environments and restoration efforts.

AB - The legacy of industrialization has left many soils contaminated. However, soil organisms and plant communities can thrive in spite of metal contamination and, in some cases, metabolize and help in remediation. The responses of plants and soil organisms to contamination are mutually dependent and dynamic. Plant-soil feedbacks are central to the development of any terrestrial community; they are ongoing in both contaminated and healthy soils. However, the theory that governs plant-soil feedbacks in healthy soils needs to be studied in contaminated soils. In healthy soils, negative feedbacks ( i.e. pathogens) play a central role in shaping plant community structure. However to our knowledge, the nature of feedback relationships has never been addressed in contaminated soils. Here we review literature that supports a plant-soil feedback approach to understanding the ecology of metal-contaminated soil. Further, we discuss the idea that within these soils, the role of positive as opposed to negative plant-soil feedbacks may be more important. Testing this idea in a rigorous way in any ecosystem is challenging, and metal contamination imposes an additional abiotic constraint. We discuss research goals and experimental approaches to study plant-soil interactions applicable to metal-contaminated soils; these insights can be extended to other contaminated environments and restoration efforts.

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