Review of Clonal Diversity and Its Effects on Ecosystem Functioning

Shen, Dong-Wei; Li, Yuanyuan; Chen, Xiaoyong

doi:10.17521/cjpe.2007.0071

Chinese Journal of Plant Ecology

2007

DOI: 10.17521/cjpe.2007.0071

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Review of Clonal Diversity and Its Effects on Ecosystem Functioning

Dong-Wei Shen¹,

Yuanyuan Li²,

Xiaoyong Chen³

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Cited by 6 publications

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Genotypic diversity of an invasive plant species promotes litter decomposition and associated processes

Wang

Miao

et al. 2013

Oecologia

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Following studies that showed negative effects of species loss on ecosystem functioning, newer studies have started to investigate if similar consequences could result from reductions of genetic diversity within species. We tested the influence of genotypic richness and dissimilarity (plots containing one, three, six or 12 genotypes) in stands of the invasive plant Solidago canadensis in China on the decomposition of its leaf litter and associated soil animals over five monthly time intervals. We found that the logarithm of genotypic richness was positively linearly related to mass loss of C, N and P from the litter and to richness and abundance of soil animals on the litter samples. The mixing proportion of litter from two sites, but not genotypic dissimilarity of mixtures, had additional effects on measured variables. The litter diversity effects on soil animals were particularly strong under the most stressful conditions of hot weather in July: at this time richness and abundance of soil animals were higher in 12-genotype litter mixtures than even in the highest corresponding one-genotype litter. The litter diversity effects on decomposition were in part mediated by soil animals: the abundance of Acarina, when used as covariate in the analysis, fully explained the litter diversity effects on mass loss of N and P. Overall, our study shows that high genotypic richness of S. canadensis leaf litter positively affects richness and abundance of soil animals, which in turn accelerate litter decomposition and P release from litter.

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Genotypic diversity of an invasive plant species promotes litter decomposition and associated processes

Wang

Miao

et al. 2013

Oecologia

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Clonal diversity of Clintonia udensis Trautv. et Mey. populations and its correlation with ecological factors

Wang

Guo

et al. 2008

SCI CHINA SER C

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The clonal diversity of Clintonia udensis Trautv. et Mey. was detected by ISSR markers among 16 populations, and its correlation with ecological factors was analyzed as well in this work. Results showed that individuals (clonal ramets) per genotype were 1.12 and 1.149 at population and species levels, respectively, and that the 16 populations were all multiclonal. The detected genotypes were localized, without exception, within populations but demonstrated relatively high clonal differentiation among populations. The clonal diversity of the studied populations was high, with the average Simpson's index of 0.975, while the genets showed a clonal architecture of "guerilla". The population genetic diversities revealed by genet were consistent with those by ramet, further confirming their genetic differentiation among populations. And its genotype diversity within populations probably resulted largely from the frequent seedling regeneration and self-compatibility. In addition, the correlation analysis further revealed that, among the ecological factors, Simpson's index of C. udensis had a significant positive correlation (P<0.05) with pH values in the soil but not others.

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Plant vegetative propagation plays a considerable role in the regeneration following slash-and-burn agriculture in Caatinga dry forest

Silva Gomes,

Barros,

Vanderlei

et al. 2024

Acta Oecologica

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Review of Clonal Diversity and Its Effects on Ecosystem Functioning

Cited by 6 publications

References 0 publications

Genotypic diversity of an invasive plant species promotes litter decomposition and associated processes

Genotypic diversity of an invasive plant species promotes litter decomposition and associated processes

Clonal diversity of Clintonia udensis Trautv. et Mey. populations and its correlation with ecological factors

Plant vegetative propagation plays a considerable role in the regeneration following slash-and-burn agriculture in Caatinga dry forest

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