干旱区生态环境知识资源中心(Arid): Herbaceous community species composition and productivity are affected by soil depth and funnel effect in a simulated karst experiment

Arid

DOI	10.1016/j.gecco.2020.e01033
	Herbaceous community species composition and productivity are affected by soil depth and funnel effect in a simulated karst experiment
	Liu, Yuan; Chen, Juan; Zhang, Xiaojing; Li, Qiaoyu; Du, Yu; Liu, Jinchun; Tao, Jianping
通讯作者	Tao, JP (corresponding author), Southwest Univ, Sch Life Sci, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Chongqing Key Lab Plant Ecol & Resources Res Thre, Chongqing 400715, Peoples R China.
来源期刊	GLOBAL ECOLOGY AND CONSERVATION
ISSN	2351-9894
出版年	2020
卷号	22
英文摘要	Karst rocky outcrops divert water into the surrounding soil patches in a phenomenon known as the funnel effect. Soil depth is a key limiting factor in vegetation restoration in karst landscapes, yet few studies have examined the influence of the karst rock funnel effect on soil-limited plant community assemblages and productivity. We established artificial herbaceous communities with seeds from a karst species pool to evaluate how the species composition and productivity of karst herbaceous communities respond to soil depth and the funnel effect. Three months after species establishment, we found that all artificial communities were dominated by two grasses, Miscanthus sinensis and Lolium multiflorum. Plant abundance increased significantly with increasing soil depth, mainly owing to an increase in the individual numbers of the dominant species. The community coverage, photosynthetically active radiation (PAR) canopy capture rate, and shoot, root and total biomass also increased significantly with increasing soil depth. Funnel size and the soil depth x funnel size interaction significantly affected root biomass and root/shoot ratio; however, there was no effect of funnel size or the soil depth x funnel size interaction on species abundance, species richness and diversity, coverage, PAR canopy capture rate, shoot biomass, or total biomass. Therefore, this microcosm experiment provides evidence that the species composition and productivity of karst herbaceous communities are shaped by soil depth. The supply of water via the funnelling effect from karst rocky outcrops did not significantly affect herbaceous community assemblages or productivity, except in terms of root biomass. We suggest that the conservation and development of soil resources in environments with karst rocky outcrops may be more effective for the restoration of karst herbaceous communities than ensuring an adequate water supply. (C) 2020 The Authors. Published by Elsevier B.V.
英文关键词	Abundance Community assemblage and productivity Karst rocky outcrops Species richness and diversity Soil resources Water supply
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000539264900014
WOS关键词	ROCKY DESERTIFICATION ; TALLGRASS PRAIRIE ; ENVIRONMENTAL HETEROGENEITY ; ROOT SYSTEMS ; PLANT ; WATER ; RESPONSES ; DIVERSITY ; NITROGEN ; COMPETITION
WOS类目	Biodiversity Conservation ; Ecology
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/369178
作者单位	[Liu, Yuan; Chen, Juan; Zhang, Xiaojing; Li, Qiaoyu; Du, Yu; Liu, Jinchun; Tao, Jianping] Southwest Univ, Sch Life Sci, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Chongqing Key Lab Plant Ecol & Resources Res Thre, Chongqing 400715, Peoples R China; [Tao, Jianping] Southwest Univ, Sch Geog Sci, Minist Nat Resources, Res Base Karst Ecoenvironm Nanchuan Chongqing, Chongqing 400715, Peoples R China
推荐引用方式 GB/T 7714	Liu, Yuan,Chen, Juan,Zhang, Xiaojing,et al. Herbaceous community species composition and productivity are affected by soil depth and funnel effect in a simulated karst experiment[J],2020,22.
APA	Liu, Yuan.,Chen, Juan.,Zhang, Xiaojing.,Li, Qiaoyu.,Du, Yu.,...&Tao, Jianping.(2020).Herbaceous community species composition and productivity are affected by soil depth and funnel effect in a simulated karst experiment.GLOBAL ECOLOGY AND CONSERVATION,22.
MLA	Liu, Yuan,et al."Herbaceous community species composition and productivity are affected by soil depth and funnel effect in a simulated karst experiment".GLOBAL ECOLOGY AND CONSERVATION 22(2020).