What Determines Ion Content of Lumbricid Casts: Soil Type, Species, or Ecological Group?

Babiy, Kirill A.; Kniazev, Stanislav Yu.; Голованова, Е. В.; Solomatin, Denis V.; Bel’skaya, Lyudmila V.

doi:10.3161/15052249pje2021.69.2.003

Cited by 5 publications

(2 citation statements)

References 59 publications

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“…The content of ions in coprolites is species-specific [33]. Thus, coprolites of E. nordenskioldi on chernozem contained more nitrates compared to L. rubellus and A. caliginosa [34]. The hypothesis of A. caliginosa eating coprolites is confirmed by the shift of the species to the upper layers of soils in the bivariant.…”

Section: Interaction Of Speciesmentioning

confidence: 81%

First Short-term Study of the Relationship between Native and Invasive Earthworms in the Zone of Soil Freezing in Western Siberia – Experiments in Mesocosms

Голованова¹,

Kniazev²,

Babiy³

et al. 2022

Preprint

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Earthworm invasions often reduce biodiversity and affect the ability of ecosystems to perform ecosystem functions. Over the past few decades, European lumbricide species have spread widely in natural habitats in Western Siberia, without completely displacing the native species. The aim of the present experiment is to study the survival, reproductive potential, vertical distribution, abundance, and biomass of Aporrectodea caliginosa and Lumbricus rubellus invasive for the region and the native species Eisenia nordenskioldi and their influence on each other. For this purpose, winter and vegetation experiments were conducted in mesocosms simulating the real situation of invasions in the same communities on the same types of soils with the same amount and composition of litter. The authors found that the native species was significantly inferior to A. caliginosa in reproduction rate, number of offspring, and final biomass, but had an advantage over L. rubellus. The native species was positively influenced by the presence of A. caliginosa. In the experiment, there was a significant rejuvenation of the populations of the studied species, an increase in abundance and relative mass under interaction conditions compared to mono variants. The native species had advantages over the invasive species in terms of winter survival. The natural volume of litter used in the experiment was insufficient for L. rubellus. According to the results of the experiment, it can be assumed that the spread of L. rubellus will continue to be limited to non-freezing biotopes rich in organic matter. A. caliginosa will spread in natural communities and agrocenoses of Western Siberia.

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Section: Interaction Of Speciesmentioning

confidence: 81%

First Short-term Study of the Relationship between Native and Invasive Earthworms in the Zone of Soil Freezing in Western Siberia – Experiments in Mesocosms

Голованова¹,

Kniazev²,

Babiy³

et al. 2022

Preprint

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“…The earthworms have been described as bioremediators of soil water repellency (Müller & Deurer 2011) through several mechanisms such as the enhance of the decomposing rate of the water repellent substances by ingestion and digestive transformations, processes which are microbiologically mediated in their digestive tract. The water repellency of earthworm casts is a complex property that should be approached at two separate levels (ecological and functional) in earthworm categorization (Babiy et al 2021) because this cast property influences the transport and flow processes in soil, such as those of water, nutrients, pollutants, gas diffusion (Haas et al 2018;Li et al 2021).…”

Section: Original Papermentioning

confidence: 99%

The water repellency of earthworm (Lumbricus terrestris) casts depends on their particle size composition, organic carbon content and calcium carbonate content

Iordache,

Brei,

Radulov

et al. 2024

Soil Water Res.

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At the soil level, earthworms are key indicators of water-related processes which help soils to accept, retain, release and transmit water by influencing the soil structure through their burrowing, casts, and drilosphere. The water repellency is an indicator of soil structure stability both for the natural soil and for the earthworm casts (bioturbated soil). The water repellency of earthworm casts is a complex property that should be approached both at ecological and functional level in earthworm categorization because this cast property influences the transport and flow processes in soil, such as those of water, nutrients, pollutants, and gas diffusion. The earthworms have been described as bioremediators of soil water repellency. Casts of the earthworm species Lumbricus terrestris collected from an urban green space have been analysed for particle size composition (texture), organic carbon (OC) content and CaCO 3 content in relation to their water repellency (the hydrophobicity). The findings of this study showed that the main drivers determining the water repellency of the casts of L. terrestris, as indicator of their structural stability, are chemical (the contents of OC and respectively CaCO 3 ) and physical (contents of clay, silt and fine sand). The water repellency (hydrophobicity) of the casts decreased with their content of clay and silt and increased with their content of organic matter and CaCO 3 . The hydrophobicity of earthworm casts is in direct positive relation with their previous water accumulation, i.e. the current penetration time of water increases or decreases if the previous penetration time of the water increased or decreased, respectively. The water drop penetration times indicated that the analysed earthworm casts were slightly water-repellent. A small to medium degree of water repellency has been mostly reported as appropriate for the aggregate stability of the soil.

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Can Earthworm Invasions from Rudny Altai (Kazakhstan) in the South of Western Siberia Change the Amount of Humus in Meadow Chernozem (Calcic Chernozem) Soils?

Golovanova,

Unru,

Babiy

et al. 2023

Springer Proceedings in Earth and Environmental Sciences

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What Determines Ion Content of Lumbricid Casts: Soil Type, Species, or Ecological Group?

Cited by 5 publications

References 59 publications

First Short-term Study of the Relationship between Native and Invasive Earthworms in the Zone of Soil Freezing in Western Siberia – Experiments in Mesocosms

First Short-term Study of the Relationship between Native and Invasive Earthworms in the Zone of Soil Freezing in Western Siberia – Experiments in Mesocosms

The water repellency of earthworm (Lumbricus terrestris) casts depends on their particle size composition, organic carbon content and calcium carbonate content

Can Earthworm Invasions from Rudny Altai (Kazakhstan) in the South of Western Siberia Change the Amount of Humus in Meadow Chernozem (Calcic Chernozem) Soils?

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