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Land use and soil characteristics affect soil organisms differently from above-ground assemblages
Victoria J Burton1,2, Sara Contu3, Adriana De Palma3
1Science and Solutions for a Changing Planet DTP, and the Department of Life Sciences, Imperial College, London, UK. v.burton@nhm.ac.uk.
BMC Ecology and Evolution
|November 18, 2022
Summary
Land use significantly impacts soil biodiversity, with lower organism abundance in croplands and plantations compared to natural habitats. Soil properties also play a crucial role in shaping these biodiversity responses.
Area of Science:
- Ecology
- Soil Science
- Biodiversity Research
Background:
- Land-use change is a primary driver of global biodiversity loss.
- Research has predominantly focused on above-ground species, neglecting soil biodiversity.
- Soil organisms are critical for ecosystem functioning.
Purpose of the Study:
- To compare the abundance responses of soil-dwelling and above-ground organisms to land use.
- To investigate the influence of soil properties on soil biodiversity.
- To assess the applicability of above-ground biodiversity models to soil ecosystems.
Main Methods:
- Utilized a global biodiversity database for analysis.
- Employed modeling techniques to analyze abundance data.
- Compared responses across different land-use types (cropland, plantation, primary vegetation, pasture).
Main Results:
- Land use differentially affects soil and above-ground organism abundance.
- Soil organism abundance was substantially lower in cropland and plantation habitats.
- Soil properties influenced soil biota abundance and its response to land use.
Conclusions:
- Above-ground biodiversity models may not accurately represent soil biodiversity.
- Soil properties are essential factors to include in biodiversity models.
- Understanding land-use impacts on soil biodiversity is crucial for effective conservation.
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