Arid
DOI10.1016/j.actao.2016.08.012
Effect of grazing on vegetation and soil of the heuweltjieveld in the Succulent Karoo, South Africa
Schmiedel, Ute1; Roewer, Inga Ute2,5; Luther-Mosebach, Jona2; Dengler, Juergen3,4; Oldeland, Jens1; Groengroeft, Alexander2
通讯作者Schmiedel, Ute
来源期刊ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY
ISSN1146-609X
EISSN1873-6238
出版年2016
卷号77页码:27-36
英文摘要

We asked how historical and recent grazing intensity affect the patchy landscape of the heuweltjieveld in the semi-arid biodiversity hotspot Succulent Karoo. The study was carried out on a communal farmland 80 km south-west of Springbok, in Namaqualand. Heuweltjies are roughly circular earth mounds that are regularly distributed in this landscape. We sampled plant species and life-form composition, diversity measures, habitat and soil variables in 100 m(2) plots, placed in three visually distinguishable heuweltjie zones (centre, fringe, and matrix) and distributed across grazing camps with different recent and historic grazing intensities. Differences between heuweltjie zones were assessed with ANOVAs and multiple linear regressions. The effect of past and recent grazing intensity on soil and plant variables was analysed by Generalized Linear Models for each heuweltjie zone separately. The three zones constituted clearly distinguishable units in terms of vegetation and soil characteristics. Soil pH and cover of annual plants increased from matrix to centres, while total vegetation cover, species richness and perennial plant cover decreased in the same direction. Historic (pre-2000) grazing patterns had the strongest effects on fringes, showing the strongest soil and vegetation-related signs of overutilization with increased stocking density. Centres showed signs of overutilization irrespective of the stocking density. The much shorter exposure to recent grazing pattern (post-2000), which was nearly inverse to the historic grazing pattern, showed increase of vegetation cover (centres) and species richness (matrix) with recent grazing intensity. We interpret these effects as still visible responses of the lower grazing intensity in these camps during the historic period. No recovery under recent grazing was observed at any of the zones. We conclude that irrespective of their conducive growing conditions, once transformed to a disturbed state, heuweltjie centres recover slowly, whereas the less impacted soil and vegetation of fringes are more responsive than centres and matrix. (C) 2016 Elsevier Masson SAS. All rights reserved.


英文关键词Dryland Land-use impact Rangeland Soil indicator Termitarium Indicator patch
类型Article
语种英语
国家Germany
收录类别SCI-E
WOS记录号WOS:000389731600004
WOS关键词MIMA-LIKE MOUNDS ; CAPE PROVINCE ; EARTH MOUNDS ; WESTERN CAPE ; NAMAQUALAND ; RANGELANDS ; GRADIENTS ; RESPONSES ; PATTERNS ; SYSTEMS
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/2XILL650/190949
作者单位1.Univ Hamburg, Bioctr Klein Flottbek, Ohnhorststr 18, D-22609 Hamburg, Germany;
2.Univ Hamburg, Inst Soil Sci, Allende Pl 2, D-20146 Hamburg, Germany;
3.Univ Bayreuth, Bayreuth Ctr Ecol & Environm Res BayCEER, Plant Ecol, Univ Str 30, D-95447 Bayreuth, Germany;
4.German Ctr Integrat Biodivers Res iDiv, Deutsch Pl 5e, D-04103 Leipzig, Germany;
5.Neuengammer Hausdeich 631, D-21037 Hamburg, Germany
推荐引用方式
GB/T 7714
Schmiedel, Ute,Roewer, Inga Ute,Luther-Mosebach, Jona,et al. Effect of grazing on vegetation and soil of the heuweltjieveld in the Succulent Karoo, South Africa[J],2016,77:27-36.
APA Schmiedel, Ute,Roewer, Inga Ute,Luther-Mosebach, Jona,Dengler, Juergen,Oldeland, Jens,&Groengroeft, Alexander.(2016).Effect of grazing on vegetation and soil of the heuweltjieveld in the Succulent Karoo, South Africa.ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY,77,27-36.
MLA Schmiedel, Ute,et al."Effect of grazing on vegetation and soil of the heuweltjieveld in the Succulent Karoo, South Africa".ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY 77(2016):27-36.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Schmiedel, Ute]的文章
[Roewer, Inga Ute]的文章
[Luther-Mosebach, Jona]的文章
百度学术
百度学术中相似的文章
[Schmiedel, Ute]的文章
[Roewer, Inga Ute]的文章
[Luther-Mosebach, Jona]的文章
必应学术
必应学术中相似的文章
[Schmiedel, Ute]的文章
[Roewer, Inga Ute]的文章
[Luther-Mosebach, Jona]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。