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- Title
Effects of introducing Eucalyptus on indigenous biodiversity.
- Authors
Ping Liang; Xie Zong-Qiang
- Abstract
Eucalyptus is well-known as an effective reforestation tree species, due to its fast growth and high adaptability to various environments. However, the introduction of Eucalyptus could have negative effects on the local environment, e. g., inducing soil degradation, decline of groundwater level, and decrease of biodiversity, and especially, there still have controversies on the effects of introduced Eucalyptus on the understory biodiversity of indigenous plant communities and related mechanisms. Based on a detailed analysis of the literatures at home and abroad, it was considered that the indigenous plant species in the majority of introduced Eucalyptus plantations were lesser than those in natural forests and indigenous species plantations but more than those in other exotic species plantations, mainly due to the unique eco-physiological characteristics of Eucalyptus and the irrational plantation design and harvesting techniques, among which, anthropogenic factors played leading roles. Be that as it may, the negative effects of introducing Eucalyptus on local plant biodiversity could be minimized via more rigorous scientific plantation design and management based on local plant community characteristics. To mitigate the negative effects of Eucalyptus introduction, the native trees and understory vegetation in plantations should be kept intact during reforestation with Eucalyptus to favor the normal development of plant community and regeneration. At the same time, human disturbance should be minimized to facilitate the natural regeneration of native species.
- Subjects
EUCALYPTUS; BIODIVERSITY; REFORESTATION; MULTIPURPOSE trees; TREE development; SOIL degradation; GROUNDWATER; PLANT communities; FORESTS &; forestry
- Publication
Yingyong Shengtai Xuebao, 2009, Vol 20, Issue 7, p1765
- ISSN
1001-9332
- Publication type
Article