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Author Spotlight: Unraveling the Role of Earthworms in Enhancing Mineral Weathering for CO2 Removal
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Climate change effects on earthworms - a review
Jaswinder Singh1,2,3, Martin Schädler2,3, Wilian Demetrio4
1Department of Zoology, Khalsa College Amritsar, G.T Road, 143002 Punjab, India.
Soil Organisms
|January 8, 2020
Summary
Climate change significantly impacts soil organisms, particularly earthworms. Responses vary by species and ecological group, affecting future soil community composition and ecosystem services.
Area of Science:
- Terrestrial Ecology
- Soil Science
- Climate Change Biology
Background:
- Soil biodiversity is crucial for ecosystem functions.
- Climate change, including temperature and precipitation shifts, affects soil organisms.
- Earthworms are key ecosystem engineers influencing decomposition, nutrient cycling, and crop yield.
Purpose of the Study:
- To review and synthesize existing literature on the effects of climate change on earthworm communities and activity.
- To establish a baseline for predicting future earthworm distribution under changing climate scenarios.
Main Methods:
- Literature review of published studies on climate change impacts on earthworms.
- Analysis of species- and ecological group-specific responses to climatic factors and extreme events.
Main Results:
- Earthworm activity, abundance, and biomass generally increase with temperature when soil moisture is adequate.
- Drought and flooding have detrimental effects on earthworm populations.
- Climate change may enable earthworm expansion to higher latitudes/altitudes but limit performance in drier regions.
Conclusions:
- Climate change induces species- and group-specific alterations in earthworm communities, impacting ecosystem functions.
- Future earthworm distribution will be influenced by warming, altered precipitation, and extreme events.
- Further research is needed on the combined effects of climate change with other global change drivers like soil pollution.
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