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Related Concept Videos

What is Biodiversity?01:19

What is Biodiversity?

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Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week.
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Related Experiment Video

Updated: Jan 29, 2026

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
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Increased Temperature Disrupts the Biodiversity-Ecosystem Functioning Relationship.

Elodie C Parain, Rudolf P Rohr, Sarah M Gray

    The American Naturalist
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    PubMed
    Summary
    This summary is machine-generated.

    Climate change may weaken the link between biodiversity and ecosystem functioning. Rising temperatures intensify competition, potentially reducing the benefits ecosystems provide, even in diverse systems.

    Keywords:
    communitiesLotka-Volterra mechanistic modelbiodiversity ecosystem functioningcompetitionglobal warming

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    Area of Science:

    • Ecology
    • Climate Change Science
    • Microbial Ecology

    Background:

    • Understanding ecosystem services is crucial, especially under climate change.
    • The impact of rising temperatures on the biodiversity-ecosystem functioning (BEF) relationship is poorly understood.
    • BEF relationships are vital for predicting ecosystem stability and services.

    Purpose of the Study:

    • To investigate how increased temperature affects the biodiversity-ecosystem functioning (BEF) relationship.
    • To develop a theoretical model incorporating temperature effects on BEF.
    • To experimentally validate model predictions using microbial microcosms.

    Main Methods:

    • Developed a theoretical BEF model using mechanistic population dynamics, incorporating temperature.
    • Used experimental data on temperature-attack rate relationships to parameterize the model.
    • Conducted laboratory experiments with natural microbial communities to test model predictions.

    Main Results:

    • Model predictions indicated that increased temperature intensifies competition, flattening or reversing the BEF relationship.
    • Experimental results with microbial microcosms supported the model's predictions.
    • Increased temperature average and variation had a more pronounced negative effect on BEF than average temperature increase alone.

    Conclusions:

    • High biodiversity may not ensure high ecosystem functioning under climate change.
    • Temperature increases can disrupt the positive relationship between biodiversity and ecosystem services.
    • Future climate scenarios necessitate a re-evaluation of biodiversity's role in ecosystem stability.