landscape approaches to agrobiodiversity conservation and use
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Global Review Speed PresentationTRANSCRIPT
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Landscape Approaches to Agrobiodiversity Conservation and UseDunja Mijatovic, Yasuyuki Morimoto, Patrick Maundu, Nadia Bergamini, Devra Jarvis and Pablo EyzaguirreBioversity International
Photo: USDA
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• Presenting evidence, examples and key concepts.
• Interdisciplinary approach: bringing together findings from the fields of conservation biology, ecology, ethnobotany and anthropology.
• Meta-analysis of Bioversity International’s in situ conservation projects’ outcomes.
Bioversity International’s research sites
Farm fields: 24 cropsHome gardensDiversity for pest and disease mitigation
Fruit tress in Central AsiaDate palm in North AfricaBananas in East Africa
Crop wild relativesTropical fruit trees in South-East AsiaLandscape mosaics
A Global Review:
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• Agrobiodiversity as an emergent property of the intended and unintended effects of human actions that lead to modifications or transformations of landscape and ecological relationships (Howard 2010).
• Agricultural resilience and sustainability as a function of beneficial links between different agrobiodiversity components (pollinators, soil biota, tree species) at a landscape scale.
A landscape perspective on agrobiodiversity
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Agricultural biodiversity
Degree of landscape modification
Production systems mimicking the structure of surrounding
ecosystems
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Human-made vegetation ‘islands’ in harsh environments
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Culture, land use history and biodiversity
Photographs F. van Oudenhoven
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Why a landscape approach to conservation?
Maintaining the diversity of landscapes, agro-ecosystems, species and varieties to sustain adaptation: • Natural and cultural selection (diverse niches,
multiple uses)• Seed flow (informal exchange networks)• Domestication (wild fruit tree species)• Gene flow (cross-pollination)• Crop wild relatives (stress-resistance)• Innovation
Agrobiodiversity in a changing landscape
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Agrobiodiversity conservation and use in Kitui, KenyaA case study
Photographs Yasu Morimoto
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Maintaining agricultural biodiversity in mosaic landscapes for continued
evolution and adaptation, sustainability and resilience
Landscape approach to agrobiodiversity conservation and use:
• Conserving agrobiodiversty (plants, animals, pollinators, soil biota, crop wild relatives) at various scales (from genetic to landscape level);
• Sustaining evolution and adaptation processes that maintain and generate diversity;
• Encouraging the use of agrobiodiversity and innovation to enhance resilience and sustainability;
• Empowering local communities and strengthening their role as innovators and custodians of genetic resources.