Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau
Earth hummocks are widely distributed in arctic, sub-Arctic and alpine regions and have important roles in determining plant diversity and the nutrient content of soils. We investigated the impact of the spatial heterogeneity on soil properties and plant communities caused by the hummocks on the Tib...
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ftchinacadscimhe:oai:ir.imde.ac.cn:131551/34126 2023-05-15T14:57:48+02:00 Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau Zhao Hui Wei Da Yan Yan Wu Jianbo Wang Xiaodan 2020 http://ir.imde.ac.cn/handle/131551/34126 https://doi.org/10.1007/s13157-020-01275-8 英语 eng WETLANDS http://ir.imde.ac.cn/handle/131551/34126 doi:10.1007/s13157-020-01275-8 cn.org.cspace.api.content.CopyrightPolicy@3bdfd591 Alpine hummock Plant community diversity Soil fertile island Micro-topographic heterogeneity Article 期刊论文 2020 ftchinacadscimhe https://doi.org/10.1007/s13157-020-01275-8 2022-12-19T18:23:07Z Earth hummocks are widely distributed in arctic, sub-Arctic and alpine regions and have important roles in determining plant diversity and the nutrient content of soils. We investigated the impact of the spatial heterogeneity on soil properties and plant communities caused by the hummocks on the Tibetan Plateau. The results indicated alpine hummocks created higher plant diversity and soil fertile island patterns under Kobresia Genus communities. Vegetation height, cover, above-ground and underground biomass, species richness and diversity at the top of well-developed hummocks were the significantly higher than those in the inter-hummocks and surrounding flat ground. The soil organic carbon content in surface soil layer (0-50 cm) at the hummock top was 154.6% and 172.3% higher than those in inter-hummock area and the flat ground, respectively. From the developing to well-developed stage, K. littledalei became the dominant population at hummock top instead of K. humilis, and fertile islands gradually formed with higher soil organic carbon and total nitrogen, lower soil moisture and wider soil temperature variation. RDA analysis further indicated the interactions of plant community succession and soil fertile island could create positive feedbacks to nutrient-rich patches. Article in Journal/Newspaper Arctic IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences) Arctic Wetlands 40 5 1217 1227 |
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Open Polar |
collection |
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences) |
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ftchinacadscimhe |
language |
English |
topic |
Alpine hummock Plant community diversity Soil fertile island Micro-topographic heterogeneity |
spellingShingle |
Alpine hummock Plant community diversity Soil fertile island Micro-topographic heterogeneity Zhao Hui Wei Da Yan Yan Wu Jianbo Wang Xiaodan Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau |
topic_facet |
Alpine hummock Plant community diversity Soil fertile island Micro-topographic heterogeneity |
description |
Earth hummocks are widely distributed in arctic, sub-Arctic and alpine regions and have important roles in determining plant diversity and the nutrient content of soils. We investigated the impact of the spatial heterogeneity on soil properties and plant communities caused by the hummocks on the Tibetan Plateau. The results indicated alpine hummocks created higher plant diversity and soil fertile island patterns under Kobresia Genus communities. Vegetation height, cover, above-ground and underground biomass, species richness and diversity at the top of well-developed hummocks were the significantly higher than those in the inter-hummocks and surrounding flat ground. The soil organic carbon content in surface soil layer (0-50 cm) at the hummock top was 154.6% and 172.3% higher than those in inter-hummock area and the flat ground, respectively. From the developing to well-developed stage, K. littledalei became the dominant population at hummock top instead of K. humilis, and fertile islands gradually formed with higher soil organic carbon and total nitrogen, lower soil moisture and wider soil temperature variation. RDA analysis further indicated the interactions of plant community succession and soil fertile island could create positive feedbacks to nutrient-rich patches. |
format |
Article in Journal/Newspaper |
author |
Zhao Hui Wei Da Yan Yan Wu Jianbo Wang Xiaodan |
author_facet |
Zhao Hui Wei Da Yan Yan Wu Jianbo Wang Xiaodan |
author_sort |
Zhao Hui |
title |
Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau |
title_short |
Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau |
title_full |
Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau |
title_fullStr |
Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau |
title_full_unstemmed |
Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau |
title_sort |
alpine hummocks drive plant diversity and soil fertile islands on the tibetan plateau |
publishDate |
2020 |
url |
http://ir.imde.ac.cn/handle/131551/34126 https://doi.org/10.1007/s13157-020-01275-8 |
geographic |
Arctic |
geographic_facet |
Arctic |
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Arctic |
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Arctic |
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WETLANDS http://ir.imde.ac.cn/handle/131551/34126 doi:10.1007/s13157-020-01275-8 |
op_rights |
cn.org.cspace.api.content.CopyrightPolicy@3bdfd591 |
op_doi |
https://doi.org/10.1007/s13157-020-01275-8 |
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Wetlands |
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40 |
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5 |
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1217 |
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1227 |
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