NDLI: Microbial diversity and ecological networks as indicators of environmental quality

Content Provider	Springer Nature Link
Author	Karimi, Battle Maron, Pierre Alain Chemidlin Prevost Boure, Nicolas Bernard, Nadine Gilbert, Daniel Ranjard, Lionel
Copyright Year	2017
Abstract	Evaluating the quality of ecosystems in terms of biological patrimony and functioning is of critical importance in the actual context of intensified human activities. Microbial diversity is commonly used as a bioindicator of ecosystems functioning. However, there is a lack of sensitivity of microbial diversity indicators in the case of moderate and chronic environmental degradation, such as atmospheric deposition of pollutants, agricultural practices, diffuse pollution by wastewater and climate change. As a consequence, there is a need for alternative bioindicators of soils and water quality. Here, we discuss the interest of adopting a more integrative approach based on biotic interaction networks beyond the simple diversity indicators. We review how the various biotic interactions can be integrated in the various microbial networks such as trophic, mutualistic and co-occurrence networks. Then we discuss the efficiency of microbial networks and associated metrics to detect changes in microbial communities. We conclude that the connectance, the number of links and the average degree of co-occurrence networks could vary from 10 to 50% in response to minor perturbations when microbial diversity parameters remain stable. Finally, we analyze studies that aimed at linking microbial networks and activity to evaluate the potential of such networks for providing simple and operational indicators of ecosystem quality and functioning.
Starting Page	265
Ending Page	281
Page Count	17
File Format	PDF
ISSN	16103653
Journal	Environmental Chemistry Letters
Volume Number	15
Issue Number	2
e-ISSN	16103661
Language	English
Publisher	Springer International Publishing
Publisher Date	2017-03-10
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microbial interactions Taxonomic diversity Co-occurrence network Environmental quality Indicators Diagnosis Environmental Chemistry Ecotoxicology Pollution Analytical Chemistry Geochemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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