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DocumentThe status of invasiveness of forest tree species outside their natural habitat: a global review and discussion paper 2003
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No results found.This discussion paper presents a global review of the status of the invasiveness of forest tree species outside their natural habitat. The review covers trees and woody shrubs commonly used in commercial forestry and agroforestry. Information for the review has been collated from published databases and papers, unpublished reports and personal communications. A number of definitions of “invasive species” have been suggested in the literature, some specifically for invasive plants or woody plants . It is recommended here that, in the context of forestry, a common definition be developed that focuses on parameters of population expansion only, because in some common definitions of invasive species impacts are preconceived to be negative. On a global basis, available information on the status of forestry trees that have become invasive is patchy. The terminology used by authors is also very variable and there is frequent overlap in the terms “invasive” and “naturalized”. The evaluation of the extent of invasions by forest trees is most often very qualitative and subjective which makes overall assessments of the magnitude of the problem difficult. -
DocumentTowards food security and improved nutrition: increasing the contribution of forests and trees 2013The livelihoods of many rural poor are based on secure and equitable access to and control over land and forest resources. These resources are crucial for food security and nutrition and are important in a range of social, cultural and religious practices.
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Book (stand-alone)Training manual on forests and trees for food security and nutrition 2020
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No results found.Currently in Tanzania, training institutions for professionals in cross-cutting sectors such as forestry and agriculture do not adequately capture the role of forest and tree resources for food security and nutrition, leading to dependency on one sector – agriculture – to cater for food and nutrition diversity. This undervalues the fundamental role of forest ecosystem services for sustainable agriculture by regulating water flows, stabilizing soils, maintaining soil fertility, regulating the climate, and providing habitat for wild pollinators and predators of agricultural pests. Provision of education on sustainable forests and trees for food security and nutrition at all levels seems to be the most conceivable entry point to ensure that adequate knowledge and skills are imparted to professionals. The goals of this training manual are to: enhance the recognition and significance of forestry to food security and nutrition through the sustainable management and use of forests and trees2; enhance the food security and nutrition benefits from the forests and trees; enhance and stimulate research and training capacity; strengthen institutional frameworks by incorporating food security and nutrition objectives in forest management policies, programmes and projects; and develop value chains based on forest and tree resources for sustainable development in the country. The overall objective is to create awareness and enable increased investment in the forestry sector for food security and nutrition in Tanzania. This training manual is also meant to serve as a useful tool for sharing and exchanging knowledge and experiences across different regions (within the country) and beyond.
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