Guide to the Naturalized and Invasive Plants of Eastern Africa

Both in Ethiopia and in the countries of East Africa, the continuing proliferation and spread of invasive alien species (IAS) is now recognized as a serious problem, which needs to be addressed. While this situation has improved dramatically over the past 10 years, further progress has been hampered...

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Main Author: Witt, Arne (auth)
Other Authors: Luke, Quentin (auth)
Format: Book Chapter
Published: UK CABI 2017
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Online Access:Get Fullteks
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245 1 0 |a Guide to the Naturalized and Invasive Plants of Eastern Africa 
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520 |a Both in Ethiopia and in the countries of East Africa, the continuing proliferation and spread of invasive alien species (IAS) is now recognized as a serious problem, which needs to be addressed. While this situation has improved dramatically over the past 10 years, further progress has been hampered by the absence, hitherto, of a comprehensive IAS database for the region. Countries in the region have repeatedly expressed the need for such a database, as a tool to assist in the identification of naturalized and invasive alien plant species, and in understanding their impacts, both existing and potential, while also providing pointers on what can be done to manage such species. This information is seen as essential, not only in enabling countries to develop effective IAS management strategies, but also in helping them to meet their obligations under various international agreements and treaties, including Article 8 (h) of the Convention on Biological Diversity (CBD) and Target 9 of the 2020 Aichi Biodiversity Targets. In providing such a database, this Guide is intended to give the countries of eastern Africa the information they require, in order to be able to develop effective strategies for combating the growing menace posed by invasive alien plants. It is further hoped that this Guide will foster increased regional collaboration, in responding to the challenges of managing shared invasive plant species. The Guide is based on the findings of extensive roadside surveys, carried out throughout the region, and on a review of the literature pertaining to naturalization and/or invasiveness among alien plants in eastern Africa. By this means, scores of exotic plant species were found to have escaped from cultivation, and to have established populations in the 'wild', to the detriment of natural resources and the millions of people in the region who depend on these resources. Included in the Guide are descriptions of roughly 200 exotic plant species which are either invasive already or which are deemed to have the potential to become invasive in the region. The profiled species include aquatic invasive plants or waterweeds (seven species); vines, creepers or climbers (20 species); terrestrial herbs, shrubs, and succulents (more than 30 species of each), and trees (more than 60 species). Also profiled in this Guide are many exotic plant species which, although their current distribution in the region may still be relatively localized, nevertheless have the potential to become considerably more widespread and problematic. The wide range of habitats and climatic conditions found within Ethiopia and across East Africa make the region as a whole particularly prone to invasions by a host of introduced plant species. Such invasions are being facilitated by increased land degradation, especially through overgrazing and deforestation, and also by climate change. 
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546 |a English 
650 7 |a Botany & plant sciences  |2 bicssc 
650 7 |a East Africa  |2 bicssc 
653 |a invasives 
653 |a nonindigenous species 
653 |a climatic change 
653 |a weed control 
653 |a aquatic species 
653 |a data banks 
653 |a aquatic organisms 
653 |a exotic species 
653 |a weeds 
653 |a aquatic plants 
653 |a climate change 
653 |a invasive organisms 
653 |a eukaryotes 
653 |a databases 
653 |a introduced organisms 
653 |a nonindigenous organisms 
653 |a Africa 
653 |a Plants 
653 |a invasive species 
653 |a non-native species 
653 |a Africa South of Sahara 
653 |a invasive alien species 
653 |a exotic organisms 
653 |a subsaharan Africa 
653 |a alien invasive species 
653 |a introduced species 
653 |a East Africa 
653 |a aquatic weeds 
653 |a non-indigenous organisms 
653 |a non-indigenous species 
653 |a non-native organisms 
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