Land use and soil characteristics affect soil organisms differently from above-ground assemblages.

Land use and soil characteristics affect soil organisms differently from above-ground assemblages.
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DOI:
10.1186/s12862-022-02089-4
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发表时间:
2022-11-17
影响因子:
2.2
通讯作者:
--
中科院分区:
环境科学与生态学2区
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--
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土地利用是全球生物多样性变化的主要驱动力,但研究绝大多数集中在地上生物分类群上:尽管土壤生物在生态系统功能中很重要,但对土壤生物多样性的影响却鲜为人知。我们模拟了全球生物多样性数据库中的数据,以比较土壤和地上生物的丰度如何对土地利用和土壤特性做出反应。我们发现,土地利用影响土壤和地上组合的总体丰度不同。农田和种植园生境中土壤生物的丰度明显低于原始植被和草地。土壤性质影响土壤生物群的丰度,在不同的土地利用方式,这表明他们塑造丰富和土地利用的反应。我们的研究结果警告不要假设来自地上数据的模型或指标可以适用于土壤组合,并强调将土壤特性纳入生物多样性模型的潜在价值。在线版本包含补充材料,可通过10.1186/s12862-022-02089-4获得。
Land-use is a major driver of changes in biodiversity worldwide, but studies have overwhelmingly focused on above-ground taxa: the effects on soil biodiversity are less well known, despite the importance of soil organisms in ecosystem functioning. We modelled data from a global biodiversity database to compare how the abundance of soil-dwelling and above-ground organisms responded to land use and soil properties. We found that land use affects overall abundance differently in soil and above-ground assemblages. The abundance of soil organisms was markedly lower in cropland and plantation habitats than in primary vegetation and pasture. Soil properties influenced the abundance of soil biota in ways that differed among land uses, suggesting they shape both abundance and its response to land use. Our results caution against assuming models or indicators derived from above-ground data can apply to soil assemblages and highlight the potential value of incorporating soil properties into biodiversity models. The online version contains supplementary material available at 10.1186/s12862-022-02089-4.
DOI: 10.1016/j.agee.2005.11.019
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