Agricultural management and flooding shape habitats for non-native earthworms in southern Quebec, Canada

Kernecker, Maria; Whalen, Joann K.; Bradley, Robert L.

doi:10.1016/j.apsoil.2015.08.011

Cited by 9 publications

(3 citation statements)

References 38 publications

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“…Christensen and Mather [8] showed that earthworm number and biomass reflect both natural soil parameters, e.g., sand content, and agricultural practices. Kernecker et al [9] confirmed the effect of soil moisture, vegetation diversity, and soil nutrient concentrations on earthworm species compositions.…”

Section: Introductionmentioning

confidence: 83%

Assessment of Relationships between Earthworms and Soil Abiotic and Biotic Factors as a Tool in Sustainable Agricultural

et al. 2016

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Earthworms are a major component of soil fauna communities. They influence soil chemical, biological, and physical processes and vice versa, their abundance and diversity are influenced by natural characteristics or land management practices. There is need to establish their characteristics and relations. In this study earthworm density (ED), body biomass (EB), and diversity in relation to land use (arable land-AL, permanent grasslands-PG), management, and selected abiotic (soil chemical, physical, climate related) and biotic (arthropod density and biomass, ground beetle density, carabid density) indicators were analysed at seven different study sites in Slovakia. On average, the density of earthworms was nearly twice as high in PG compared to AL. Among five soil types used as arable land, Fluvisols created the most suitable conditions for earthworm abundance and biomass. We recorded a significant correlation between ED, EB and soil moisture in arable land. In permanent grasslands, the main climate related factor was soil temperature. Relationships between earthworms and some chemical properties (pH, available nutrients) were observed only in arable land. Our findings indicate trophic interaction between earthworms and carabids in organically managed arable land. Comprehensive assessment of observed relationships can help in earthworm management to achieve sustainable agricultural systems.

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Section: Introductionmentioning

confidence: 83%

Assessment of Relationships between Earthworms and Soil Abiotic and Biotic Factors as a Tool in Sustainable Agricultural

et al. 2016

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“…Agricultural management practices have been reported by several authors as one of the factors responsible to reduce soil biodiversity (Castro and Wise, 2010;Teague et al, 2011;Velásquez et al, 2012;Lafage and Pétillon, 2014;Kernecker et al, 2015;Lefebvre et al, 2016;Polchaninova et al, 2016;Michalko et al, 2017). This is especially so for spiders, as these animals are dependent on balanced trophic structures for foraging.…”

Section: Introductionmentioning

confidence: 99%

Spiders (Arachnida: Araneae) in Agricultural Land Use Systems in Subtropical Environments

Rosa

Santos

Brescovit

et al. 2018

Rev. Bras. Ciênc. Solo

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Changes in land use management in agricultural areas can affect the biodiversity of spider families. This study aimed to evaluate spider diversity in different land use systems with capture by two sampling methods, and to identify soil properties that can modulate the occurrence of spiders. Five land use systems, representative of traditional agricultural areas, were evaluated in the west of Santa Catarina, Brazil, to establish a scale of land use intensity: native forest, eucalyptus reforestation areas, pastures, crop-livestock integration areas, and annual crops under no-tillage. The collection methods were manual from soil monoliths and soil traps. Altogether 479 individuals were captured, which were distributed among 20 families, 40 genera, and 8 species. Principal component analysis separated the land use systems and showed an association of spider families with land use in the two sampling methods. There was reduction in spider diversity as the intensity of land use increased. The manual collection method was more efficient for families of soil spiders, whereas traps were more efficient for epigeic spiders. The Lycosidae family was more resistant to environmental pressures, while Oonopidae and Amaurobiidae were more sensitive to environmental modifications. The differences in the spider communities were explained by the following soil properties: organic matter, mean weight-diameter of soil aggregates, and resistance to penetration, which were associated with the degree of anthropic intervention in the land use systems.

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“…This is also consistent with our observations of the detrimental impacts of intensiĄcation on the biomass, species richness, and density of earthworms in sandy soils 34,61 , which often have low organic matter contents. IntensiĄed land uses in loamy soils were shown to have lower species richness as well, demonstrating that the application of herbicides in intensive rotations might have detrimental effects on earthworm diversity even in soils with more favorable textures for earthworms 22,23,31,33,44,79 .…”

Section: Discussionmentioning

confidence: 99%

Concurrent adoption of multiple less intensive practices is essential for effectively preserving earthworm diversity in agroecosystems: a global meta-analysis

Betancur-Corredor,

Zaitsev,

Russell

2024

Preprint

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The impact of intensifying land use on biodiversity has been extensively examined through efforts to synthesize available data. Nevertheless, there is still a lack of a thorough synthesis describing the earthworm response to land-use intensification on earthworms. We conducted a global meta-analysis synthesizing 113 publications across 44, yielding 1040 pairwise comparisons of earthworm density and biomass, and 536 pairwise comparisons of earthworm diversity. Arable cropland has significantly lower earthworm density (-18%), biomass (-15%), and species richness (-27%) compared to undisturbed sites. Conversely, higher earthworm density, biomass and species richness were observed in extensive pastures, sites under agroforestry, crop management with fallow periods and crop-livestock integration. In regions with continental climates characterized by cool summers exhibit more favorable earthworm responses to intensification. In compacted sites with low organic matter content the adverse effects of intensification are exacerbated. However, highly heterogeneous earthworm responses cannot be explained by the individual evaluation of climatic, soil-related, or management factors. Our results guide future efforts to address the data limitations that enable us enhance our understanding of the interactive effects of various factors on earthworm responses to land-use intensification, as well as evidence-based and management strategies targeted at promoting sustainable agricultural systems while preserving soil biodiversity.

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Agricultural management and flooding shape habitats for non-native earthworms in southern Quebec, Canada

Cited by 9 publications

References 38 publications

Assessment of Relationships between Earthworms and Soil Abiotic and Biotic Factors as a Tool in Sustainable Agricultural

Assessment of Relationships between Earthworms and Soil Abiotic and Biotic Factors as a Tool in Sustainable Agricultural

Spiders (Arachnida: Araneae) in Agricultural Land Use Systems in Subtropical Environments

Concurrent adoption of multiple less intensive practices is essential for effectively preserving earthworm diversity in agroecosystems: a global meta-analysis

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