Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1016/j.foreco.2018.09.048 |
Abundance and correlates of the Acacia dealbata invasion in the northern Eastern Cape, South Africa | |
Gouws, Aidan John; Shackleton, Charlie M. | |
2019-01-15 | |
发表期刊 | FOREST ECOLOGY AND MANAGEMENT |
ISSN | 0378-1127 |
EISSN | 1872-7042 |
出版年 | 2019 |
卷号 | 432页码:455-466 |
文章类型 | Article |
语种 | 英语 |
国家 | South Africa |
英文摘要 | An increase in the density and biomass of woody invasive plants contributes to the intensification of ecological impacts and can often be met with dissatisfaction by local communities. Despite their reliance on Acacia dealbata as a source of livelihood, villagers in the northern Eastern Cape have expressed concerns about the high densities of the species. This study sought to quantify the current abundance and growth of A. dealbata in selected landscapes in the northern Eastern Cape, around nine villages in rural Matatiele, Mount Fletcher and Maclear. Standard vegetation survey techniques were adopted to quantify the density, biomass and growth rate of A. dealbata. Overall, the average density, biomass and productivity of A. dealbata were estimated at approximately 7000 stems ha(-1), 12 Mg ha(-1) and 4 Mg ha(-1) year(-1), respectively. However, the abundance and productivity of A. dealbata were spatially variable between study areas. Acacia dealbata stems experienced significant growth over the period of a single year, contributing to substantial biomass production at the landscape level, despite continued harvest. Furthermore, relatively few biophysical variables were significantly influential correlates with the abundance of A. dealbata. Indeed, the degree of biological invasion can be highly variable across the landscape, shaped by the interaction of local-scale biophysical conditions. |
英文关键词 | Acacia dealbata Biophysical correlates Growth Density Biomass |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000455068700043 |
WOS关键词 | AUSTRALIAN ACACIAS ; SEED BANKS ; ALIEN ; MANAGEMENT ; WATTLE ; PLANTS ; SOIL ; ESTABLISHMENT ; ALLELOPATHY ; EXAMPLES |
WOS类目 | Forestry |
WOS研究方向 | Forestry |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/22253 |
专题 | 气候变化 |
作者单位 | Rhodes Univ, Dept Environm Sci, ZA-6140 Grahamstown, South Africa |
推荐引用方式 GB/T 7714 | Gouws, Aidan John,Shackleton, Charlie M.. Abundance and correlates of the Acacia dealbata invasion in the northern Eastern Cape, South Africa[J]. FOREST ECOLOGY AND MANAGEMENT,2019,432:455-466. |
APA | Gouws, Aidan John,&Shackleton, Charlie M..(2019).Abundance and correlates of the Acacia dealbata invasion in the northern Eastern Cape, South Africa.FOREST ECOLOGY AND MANAGEMENT,432,455-466. |
MLA | Gouws, Aidan John,et al."Abundance and correlates of the Acacia dealbata invasion in the northern Eastern Cape, South Africa".FOREST ECOLOGY AND MANAGEMENT 432(2019):455-466. |
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