Some rules of soil invertebrate community organization (by the example of Amur Basin mesofauna)

Ganin, G. N.

doi:10.1134/s1062359006050128

Cited by 4 publications

(14 citation statements)

References 4 publications

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“…In a critical situation, the degree of dominance of individ ual species in a community increases (Fig. 3); in this case, closely related species are the first to be elimi nated (Ganin, 2006;Geras'kina, 2009;Romankina, 2009). This takes place either because of a deficiency in the available resources or due to a change in the population growth rate caused by environmental con ditions against the background of retained excess resources.…”

Section: Resultsmentioning

confidence: 97%

“…In this case, neutralism will mainly determine the relationships between closely related species in the zone of overlapping of their optimal niche ranges (Ganin, 2006). The coexistence of closely related species in the same biotope against the background of a high density of niche packing is clear confirmation for such a type of interspecies interac tions.…”

Section: Resultsmentioning

confidence: 99%

“…If the resources are abundant, species with densely overlapping niches can coexist (Giller, 1988). For example, the populations of dominant sapropha gous groups in cedar forests utilize only 5-10% of the most important biogenic elements in soil and organic waste (Ganin, 2006(Ganin, , 2009a.…”

Section: Resultsmentioning

confidence: 99%

“…A case study of the mesopedobiont communities in the forest and forest-steppe ecosystems of the Cis Amur region has allowed several patterns in their orga nization to be formulated (Ganin, 2006(Ganin, , 2009b. It has been shown that the Illies principles of species-genus representation and competitive exclusion of closely related species with similar ecological valences in the soil-litter developed communities are not fulfilled.…”

Section: Resultsmentioning

confidence: 99%

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Factors determining the origin and maintenance of redundant species diversity of the soil animal population (by a case study of the Far East)

Ganin

Striganova

2012

Biol Bull Russ Acad Sci

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The factors determining the origin and maintenance of a high taxonomic diversity of soil commu nities are discussed by a case study of the key groups constituting the soil saproblock. The bulk of the species richness in the southern Far East is localized to the coniferous-deciduous forests retaining the tertiary ele ments in their flora and ancient relations with the Asian tropical fauna. The roles of the following factors are considered: the long term geographic isolation in the absence of catastrophic climate changes; pyrogenic effects, enhancing formation of isolated survival sites; and abundance of mutagenesis in various pedobiont groups. The high species richness of individual taxocenes in combination with a high topic association in the distribution of closely related and ecologically similar species suggests the absence of competitive exclusion. It has been demonstrated that this phenomenon is determined, on the one hand, by rich resource reserves and their spatial differentiation in the soil-litter stratum and, on the other, by spatial-temporal segregation and dense packing of ecological niches, decreasing competition.

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Section: Resultsmentioning

confidence: 97%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Factors determining the origin and maintenance of redundant species diversity of the soil animal population (by a case study of the Far East)

Ganin

Striganova

2012

Biol Bull Russ Acad Sci

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“…Previous work has demonstrated the importance of redundancy with different groups of organism and in distinct ecosystems such as South African fynbos (Cowling et al 1994), grasslands (Johnson and Mayeux 1992, DeBello et al 2009), micro‐organisms (Wohl et al 2004, Jiang 2007, Ayres et al 2009) soil invertebrates (Cole et al 2006, Davidson and Grieve 2006, Ganin 2006), stream invertebrates (Bêche and Statzner 2009) and seagrass beds (Duffy et al 2001). However, studies have failed to find redundancy, for instance, in avian assemblages (Petchey et al 2007), and coastal marine assemblages (Micheli and Halpern 2005).…”

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confidence: 99%

Functional redundancy in a clipping experiment on grassland plant communities

Joner

Specht

Müller

et al. 2011

Oikos

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Functional redundancy predicts that some species may play equivalent roles in ecosystem functioning therefore conferring a kind of ‘insurance’ to perturbation when species richness is reduced, by the compensation of species of the same functional group on ecosystem processes. We evaluate functional redundancy on grassland plant communities by a removal experiment in which the evaluated treatments were: GG – clipping two graminoid species, FF – clipping two forb species, GF – clipping one graminoid and one forb species and Control – no removal. We tested the hypothesis that the above‐ground biomass removal of one species of each functional group would cause less change in the community composition (community persistence) and less decrease in biomass production than the above‐ground biomass removal of two species of the same functional group. Functional redundancy was corroborated for community persistence since treatments FG and C caused less change in community composition than treatments GG and FF, although no differences were found between treatments for above‐ground biomass. We verified that clipped species tend to be compensated by an increase in the percent cover of the remaining species of the same functional group. This work provides experimental evidence of early responses after plant clipping in small spatial scale of functional redundancy in naturally established grassland plant communities. We highlight redundancy as an intrinsic feature of communities insuring their reliability, as a consequence of species compensation within functional groups.

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Natural restoration enhances soil multitrophic network complexity and ecosystem functions in the Loess Plateau

Zhang

Dong

et al. 2023

CATENA

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Some rules of soil invertebrate community organization (by the example of Amur Basin mesofauna)

Cited by 4 publications

References 4 publications

Factors determining the origin and maintenance of redundant species diversity of the soil animal population (by a case study of the Far East)

Factors determining the origin and maintenance of redundant species diversity of the soil animal population (by a case study of the Far East)

Functional redundancy in a clipping experiment on grassland plant communities

Natural restoration enhances soil multitrophic network complexity and ecosystem functions in the Loess Plateau

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