Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves

Plant diversity, habitat properties, and their relationships in karst caves remain poorly understood. We surveyed vascular plant and bryophyte diversities and measured the habitat characteristics in six karst caves in south China with different disturbance histories (one had been disturbed by poultr...

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Autores principales:	Hai Ren, Faguo Wang, Wen Ye, Qianmei Zhang, Taotao Han, Yao Huang, Guowei Chu, Dafeng Hui, Qinfeng Guo
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Plant diversity Habitat heterogeneity Light and water status Soil nutrient Restoration Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/b393bad96d294b62bd7b59d3050839fe
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spelling	oai:doaj.org-article:b393bad96d294b62bd7b59d3050839fe2021-12-01T04:30:17ZBryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves1470-160X10.1016/j.ecolind.2020.106947https://doaj.org/article/b393bad96d294b62bd7b59d3050839fe2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X20308864https://doaj.org/toc/1470-160XPlant diversity, habitat properties, and their relationships in karst caves remain poorly understood. We surveyed vascular plant and bryophyte diversities and measured the habitat characteristics in six karst caves in south China with different disturbance histories (one had been disturbed by poultry feeding, three had been disturbed by tourism, and two were undisturbed). The plant diversity differences among the six caves were analyzed using cluster analysis, and the relationships of plant diversity and microhabitat were assessed using canonical correspondence analysis. We found a total of 43 angiosperm species from 27 families, 20 lycophyte and fern species from 9 families, and 20 species of bryophytes from 13 families in the six caves. Habitat characteristics including light intensity, air relative humidity, air temperature, and soil properties varied among the caves. The plant diversity in karst caves was not rich, but the species composition was unique. The caves with high disturbance had the lowest species richness, numbers of individuals, and Shannon-Wiener diversity indices but the highest Simpson’s dominance indices. The caves with less disturbance had the highest numbers of species, numbers of individuals, and Shannon-Wiener diversity indices but the lowest Simpson’s dominance indices. The disturbed caves were often dominated by drought-tolerant, tenacious mosses (bryophytes), while the relatively undisturbed caves contained abundant liverworts (bryophytes), which were better adapted to humid environments. Plant diversity in karst caves was closely related to habitat heterogeneity, light and water status, and nutrient availability. Tourism and poultry farming were associated with the degradation of vegetation in some karst caves. Protecting and restoring bryophytes might facilitate the settlement, growth, and succession of vascular plants in karst caves. Bryophytes can be used as indicators of overall plant diversity and restoration status in karst caves.Hai RenFaguo WangWen YeQianmei ZhangTaotao HanYao HuangGuowei ChuDafeng HuiQinfeng GuoElsevierarticlePlant diversityHabitat heterogeneityLight and water statusSoil nutrientRestorationEcologyQH540-549.5ENEcological Indicators, Vol 120, Iss , Pp 106947- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Plant diversity Habitat heterogeneity Light and water status Soil nutrient Restoration Ecology QH540-549.5
spellingShingle	Plant diversity Habitat heterogeneity Light and water status Soil nutrient Restoration Ecology QH540-549.5 Hai Ren Faguo Wang Wen Ye Qianmei Zhang Taotao Han Yao Huang Guowei Chu Dafeng Hui Qinfeng Guo Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
description	Plant diversity, habitat properties, and their relationships in karst caves remain poorly understood. We surveyed vascular plant and bryophyte diversities and measured the habitat characteristics in six karst caves in south China with different disturbance histories (one had been disturbed by poultry feeding, three had been disturbed by tourism, and two were undisturbed). The plant diversity differences among the six caves were analyzed using cluster analysis, and the relationships of plant diversity and microhabitat were assessed using canonical correspondence analysis. We found a total of 43 angiosperm species from 27 families, 20 lycophyte and fern species from 9 families, and 20 species of bryophytes from 13 families in the six caves. Habitat characteristics including light intensity, air relative humidity, air temperature, and soil properties varied among the caves. The plant diversity in karst caves was not rich, but the species composition was unique. The caves with high disturbance had the lowest species richness, numbers of individuals, and Shannon-Wiener diversity indices but the highest Simpson’s dominance indices. The caves with less disturbance had the highest numbers of species, numbers of individuals, and Shannon-Wiener diversity indices but the lowest Simpson’s dominance indices. The disturbed caves were often dominated by drought-tolerant, tenacious mosses (bryophytes), while the relatively undisturbed caves contained abundant liverworts (bryophytes), which were better adapted to humid environments. Plant diversity in karst caves was closely related to habitat heterogeneity, light and water status, and nutrient availability. Tourism and poultry farming were associated with the degradation of vegetation in some karst caves. Protecting and restoring bryophytes might facilitate the settlement, growth, and succession of vascular plants in karst caves. Bryophytes can be used as indicators of overall plant diversity and restoration status in karst caves.
format	article
author	Hai Ren Faguo Wang Wen Ye Qianmei Zhang Taotao Han Yao Huang Guowei Chu Dafeng Hui Qinfeng Guo
author_facet	Hai Ren Faguo Wang Wen Ye Qianmei Zhang Taotao Han Yao Huang Guowei Chu Dafeng Hui Qinfeng Guo
author_sort	Hai Ren
title	Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
title_short	Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
title_full	Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
title_fullStr	Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
title_full_unstemmed	Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
title_sort	bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/b393bad96d294b62bd7b59d3050839fe
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Bryophyte diversity is related to vascular plant diversity and microhabitat under disturbance in karst caves

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