Arid
DOI10.2989/16085914.2012.762897
Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa
Joubert, R.; Ellery, W. N.
通讯作者Joubert, R.
来源期刊AFRICAN JOURNAL OF AQUATIC SCIENCE
ISSN1608-5914
出版年2013
卷号38期号:2页码:135-151
英文摘要

The present study investigated controls on the formation of Wakkerstroom Vlei, an similar to 1 000 ha unchannelled valley-bottom wetland on the South African Highveld. Along the uppermost and lowermost reaches of the wetland, where dolerite outcrops occur along the main valley, hydrogeomorphic features typical of geological control on wetland formation are present, including a meandering river channel, oxbow lakes and <3 m deep organic-poor alluvial fill. Along the main body of the wetland, however, floodplain features are absent, alluvial fill is up to 4.5 m deep and contains up to 2 m deep accumulations of peat. These characteristics deviate from the traditional model of dolerite control on wetland formation described by several other studies on Highveld wetland systems. The formation of Wakkerstroom Vlei has been controlled by a combination of geological, geomorphic and biotic factors, including the formation of a relatively wide, gently sloping valley along the middle reaches, creating accommodation for floodplain wetland formation, followed by impoundment of the main channel by laterally impinging alluvial fans, and the dense growth of robust vegetation, which has promoted flood-out of the main channel and peat formation. This knowledge has been important for identifying catchment and wetland land-use practices that threaten the longevity of Wakkerstroom Vlei.


英文关键词flood-out geological controls geomorphic controls peat formation valley-bottom wetland
类型Article
语种英语
国家South Africa
收录类别SCI-E
WOS记录号WOS:000320230300002
WOS关键词ARID CENTRAL AUSTRALIA ; GEOLOGICAL CONTROLS ; DOWNSTREAM CHANGES ; NORTHERN PLAINS ; ALLUVIAL RIVER ; WETLANDS
WOS类目Marine & Freshwater Biology
WOS研究方向Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/175536
作者单位Rhodes Univ, Dept Environm Sci, ZA-6140 Grahamstown, South Africa
推荐引用方式
GB/T 7714
Joubert, R.,Ellery, W. N.. Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa[J],2013,38(2):135-151.
APA Joubert, R.,&Ellery, W. N..(2013).Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa.AFRICAN JOURNAL OF AQUATIC SCIENCE,38(2),135-151.
MLA Joubert, R.,et al."Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa".AFRICAN JOURNAL OF AQUATIC SCIENCE 38.2(2013):135-151.
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
[Joubert, R.]的文章
[Ellery, W. N.]的文章
百度学术
百度学术中相似的文章
[Joubert, R.]的文章
[Ellery, W. N.]的文章
必应学术
必应学术中相似的文章
[Joubert, R.]的文章
[Ellery, W. N.]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。