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What is good about Sri Lankan homegardens with regards to food security? A synthesis of the current scientific knowledge of a multifunctional land-use system
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- Mattsson, Eskil, 1981 (author)
- Gothenburg University,Göteborgs universitet,Göteborgs miljövetenskapliga centrum, GMV,Centre for Environment and Sustainability,Chalmers tekniska högskola,Chalmers University of Technology,Centre for Environment and Sustainability, Chalmers University of Technology; University of Gothenburg, Göteborg, Sweden
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- Ostwald, Madelene, 1966 (author)
- Linköpings universitet,Gothenburg University,Göteborgs universitet,Göteborgs miljövetenskapliga centrum, GMV,Centre for Environment and Sustainability,University of Gothenburg,Tema Miljöförändring,Filosofiska fakulteten,Centrum för klimatpolitisk forskning, CSPR
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- Nissanka, S. P. (author)
- University of Peradeniya,Department of Crop Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, Sri Lanka
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(creator_code:org_t)
- 2017-05-20
- 2018
- English.
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In: Agroforestry Systems. - : Springer Science and Business Media LLC. - 0167-4366 .- 1572-9680. ; 92:6, s. 1469-1484
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Abstract
Subject headings
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- Recently, there has been growing interest in agroforestry systems due to their great potential to mitigate threats to household food and nutrition security from soaring food prices but also as carbon sinks. In Sri Lanka, smallholder farms such as homegardens constitute a majority of Sri Lanka's total annual crop and timber production. Despite Sri Lankan homegardens being considered desirable and sustainable land-use systems, their role in food and nutrition security is not yet entirely understood. By synthesising scientific articles and grey literature we sought the link between food security and homegardens by quantifying their products or services and ascertaining whether food security characteristics are assessed as direct or indirect impacts. The results show that 27% of 92 identified articles directly quantified aspects that are relevant to food security. Another 51% of the articles quantified indirect aspects that have relevance for food security, including climate, soil, ecosystem services, structural and floristic diversity and economic aspects. Twenty-two percent of the articles were categorised as being qualitative or conceptual and contained no direct assessments or quantification of food security. The presence of significant merits from homegardens includes providing food security throughout the year at low-cost while sustaining numerous ecosystem services. This benefits particularly the poor farmers. However, many studies are descriptive and only provide location-specific information on single research focuses such as plant species, yield and management. There are few comparisons with crop land, forests or other production systems, and there is even less empirical evidence and quantification of the food security and other benefits. Seven areas where more scientific focus would be beneficial are identified. Homegardens are strong in national policies and to reach a greater level of efficiency within these activities our findings suggest more emphasis on a higher degree of inclusiveness of relevant stakeholders and long-term engagements with context specific guidance.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Övrig annan lantbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Other Agricultural Sciences not elsewhere specified (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences (hsv//eng)
Keyword
- Agroforestry
- Sri Lanka
- Nutrition
- Diversity
- Intensification
- Trees
- Crops
- Landscape
- forest gardens
- rural households
- agroforestry
- vegetation
- village
- africa
- agriculture
- uplands
- zone
- Agriculture
- Forestry
- Landscape
Publication and Content Type
- ref (subject category)
- art (subject category)
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