Arid
DOI10.1016/j.jaridenv.2016.04.006
Effects of past and present land use on vegetation cover and regeneration in a tropical dryland forest
Marinho, Felipe Pereira1; Mazzochini, Guilherme Gerhardt1; Manhaes, Adriana Pellegrini1; Weisser, Wolfgang W.2; Ganade, Gislene1
通讯作者Mazzochini, Guilherme Gerhardt
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2016
卷号132页码:26-33
英文摘要

Brazilian Caatinga is one of the most diverse dryland ecosystem of the world and is threatened by strong land use pressure and poor protection. In this study, we investigate the effects of past and present land use on plant community richness and structure. We used satellite information to identify 55 Caatinga forest plots with and without past vegetation clearing. We also quantified current land use, i.e. grazing by domestic animals, and selective logging. Caatinga vegetation structure, measured as vegetation cover, vegetation height, basal area and woody plant density, as well as recruitment, measured as woody plant seedling density and species richness, were negatively affected by both past and current land use. Past clear-cut not only had strong effects on most vegetation measures, but also increased current grazing which further negatively affected vegetation structure. Selective logging had little measurable effects but increased recruitment in plots previously clear-cut. Increasing time since the last clear-cut increased negative effects on vegetation, presumably because of a prolonged negative effect of grazing. Our results suggest that grazing needs to be prevented in areas degraded by clear-cut to allow vegetation restoration through natural succession and avoid further degradation and desertification. (C) 2016 Elsevier Ltd. All rights reserved.


英文关键词Grazing Clear-cut history Vegetation cover Land management Desertification
类型Article
语种英语
国家Brazil ; Germany
收录类别SCI-E
WOS记录号WOS:000377927600003
WOS关键词BRAZILIAN SEMIARID REGION ; CAATINGA VEGETATION ; PLANT INTERACTIONS ; SOIL ; DESERTIFICATION ; CONSERVATION ; DISTURBANCE ; ECOSYSTEMS ; GRASSLAND ; LANDSCAPE
WOS类目Ecology ; Environmental Sciences
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/2XILL650/194141
作者单位1.Univ Fed Rio Grande do Norte, Ctr Biociencias, Dept Ecol, BR-59072970 Natal, RN, Brazil;
2.Tech Univ Munich, Sch Life Sci Weihenstephan, Dept Ecol & Ecosyst Management, Terr Ecol Res Grp, Hans Carl von Carlowitz Pl 2, D-85350 Freising Weihenstephan, Germany
推荐引用方式
GB/T 7714
Marinho, Felipe Pereira,Mazzochini, Guilherme Gerhardt,Manhaes, Adriana Pellegrini,et al. Effects of past and present land use on vegetation cover and regeneration in a tropical dryland forest[J],2016,132:26-33.
APA Marinho, Felipe Pereira,Mazzochini, Guilherme Gerhardt,Manhaes, Adriana Pellegrini,Weisser, Wolfgang W.,&Ganade, Gislene.(2016).Effects of past and present land use on vegetation cover and regeneration in a tropical dryland forest.JOURNAL OF ARID ENVIRONMENTS,132,26-33.
MLA Marinho, Felipe Pereira,et al."Effects of past and present land use on vegetation cover and regeneration in a tropical dryland forest".JOURNAL OF ARID ENVIRONMENTS 132(2016):26-33.
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