干旱区生态环境知识资源中心(Arid): Drivers of plant species richness and structure in dry woodland of Prosopis flexuosa

Arid

DOI	10.1016/j.actao.2020.103654
	Drivers of plant species richness and structure in dry woodland of Prosopis flexuosa
	Campos, Valeria E.; Cappa, Flavio M.; Gatica, Gabriel; Campos, Claudia M.
通讯作者	Campos, VE
来源期刊	ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY
ISSN	1146-609X
EISSN	1873-6238
出版年	2020
卷号	109
英文摘要	Prosopis flexuosa (Fabaceae), a key species in desert environments, provides ecosystem services whereby it mitigates desertification and supports biodiversity conservation. To understand the relative importance of drivers of species diversity and structure of P. flexuosa-dominated woodland at different scales, we propose (1) to assess whether species richness is affected by predictors such as productivity, woodland structure, soil heterogeneity, mammal occurrence, and human activities; (2) to assess whether woodland structure is explained by productivity, soil heterogeneity, mammal occurrence and human activities; (3) to determine whether productivity and human activities affect mammal occurrence. We quantified drivers and indicators of composition and structure of P. flexuosa-dominated woodland in Ischigualasto Provincial Park and its area of impact, using both field- and remotely-based measurements. Plant species richness was positively explained by texture measures of the Soil-Adjusted Total Vegetation Index at 3x3 (0.81 ha) and 5x5 (2.25 ha) moving-window scales, as a surrogate for productivity, and by abundance of trees in the woodland stand (0.15 ha). The structure of P. flexuosa-dominated woodland was positively accounted for by productivity at the 5x5 moving-window scale and by occurrence of exotic species (positively -Bos taurus- and negatively -Lepus europaeus-). Soil heterogeneity and human activities did not affect woodland richness or structure. Occurrence of native species was explained by productivity at the 5x5 moving-window scale (positively for Microcavia maenas and negatively for Dolichotis patagonum), whereas occurrence of native (Lama guanicoe) and exotic (Equus asinus) species was affected by human activities (positively for distance to nearest village and negatively for distance to mad, respectively). Understanding the relationships of dry woodland species richness and structure with different drivers is important to its conservation and management. We found that drivers such as productivity, abundance of trees and occurrence of exotic mammal species would affect richness and structure of P. flexuosa-dominated woodland.
英文关键词	Desert ecosystem Woodland attributes Species diversity Remote sensing data
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000592556800007
WOS关键词	MONTE DESERT ; SEED DISPERSAL ; VEGETATION ; HETEROGENEITY ; SOIL ; PRODUCTIVITY ; DIVERSITY ; BIODIVERSITY ; COMMUNITIES ; ECOSYSTEMS
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/327653
作者单位	[Campos, Valeria E.; Cappa, Flavio M.] Univ Nacl San Juan CUIM, UNSJ, CONICET, CIGEOBIO, Av I de la Roza 590 O,J5402DCS, San Juan, Argentina; [Campos, Valeria E.; Gatica, Gabriel] Univ Nacl San Juan Av & Roza 590, Fac Ciencias Exactas Fis & Nat, Dept Biol, Av I de la Roza 590 O,J5402DCS, San Juan, Argentina; [Campos, Claudia M.] Univ Nacl Cuyo, Inst Argentino Invest Zonas Aridas, CONICET, Gobierno Mendoza, Av A Ruiz Leal S-N,CC 507,Parque Gen San Martin, RA-5500 Mendoza, Argentina
推荐引用方式 GB/T 7714	Campos, Valeria E.,Cappa, Flavio M.,Gatica, Gabriel,et al. Drivers of plant species richness and structure in dry woodland of Prosopis flexuosa[J],2020,109.
APA	Campos, Valeria E.,Cappa, Flavio M.,Gatica, Gabriel,&Campos, Claudia M..(2020).Drivers of plant species richness and structure in dry woodland of Prosopis flexuosa.ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY,109.
MLA	Campos, Valeria E.,et al."Drivers of plant species richness and structure in dry woodland of Prosopis flexuosa".ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY 109(2020).