understanding multifunctional landscapes and their change to inform intensification efforts
TRANSCRIPT
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Understanding multifunctional landscapes and their change to inform intensification efforts
Hanna SinareMultifunctional landscapes for food security,
livelihoods and the environment7-8 June 2016
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Outline• Entry point to these
landscapes• Approach to study
these landscapes• Changes in landscape
units and ecosystem services 1950-2013
• Implications for sustainable intensification
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Entry point: Large scale studies show a greener Sahel
Herrmann et al. (2005)
Trends in residual NDVI, 1982-2003
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What does it mean for people?
Change in ecosystem servicesThe benefits people obtain from ecosystems
Co-produced by humans in ecosystems
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Study area
NDVI-data from S. Herrmann
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Provisioning ecosystem services
Cereals Legumes
Vegetables Leaf vegetables from herbs
Leaf vegetables from trees
Fruits Medicine
Firewood Construction material
Livestock
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Identified social-ecological patches
Depression
HomesteadsFields
ShrublandFallow
Forest
Bare soil
Woodland
Areas around public buildings
Irrigated vegetables
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Multiple ecosystem services from almost all patches
Sinare et al. in revision
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Change in social-ecological patches
• Increase of fields, decrease of shrubland and woodland– 3 villages: Fields covered 40 % in 1950’s, increased to
60-70 % 2010’s– 2 villages 30 % 1950’s, increase to 40 % and 60 %– 1 village almost 70 % Fields 1952, increse to almost 80
% in mid-1980’s
1952/1955
1967/1968
1983/1984
1996 2006/2010 2013/2016
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1952 1967
1984 1996
2006 20131952
19842006
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%Public build-ing areas
Bare Soil
Shrubland
Forest
Woodland
Depression
Homesteads
Fields19
67
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What does area mean for benefit?
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Messages and questions for intensification efforts
• Multiple benefits from each patch – assess changes in all of them to understand livelihood effects of intensification
• Model effects – how can intensification change patches?
• How can intensification be sustainable and attract new generations of farmers?
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Line Gordon, Elin Enfors Kautsky, Lowe BörjesonKatja Malmborg
Korodjouma Ouattara, Souleymane Paré, Issa OuedraogoINERA Burkina Faso
Funded by Sida
Thank you!
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Change in social-ecological patches over time
• 100 x 100 m squares with point 5 m radius in the middle– Social-ecological patch
• Systematic or random changes between social-ecological patches?
• Change in role of the landscape for livelihoods?
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Time series of images