Forests sustaining agriculture: A systematic review of multi-functional landscapes for food security...
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Transcript of Forests sustaining agriculture: A systematic review of multi-functional landscapes for food security...
Samson FoliTerry SunderlandJames ReedJessica ClendenningJake SnaddonGillian Petrokofsky
Forests sustaining agricultureA systematic review of multi-functional landscapes for food security and biodiversity conservation
Objectives of this discussion To gain insight and feedback on relevance of our
research project.
To explore and help merge potential research topics that will contribute to the core research question
To define main research question in plenary with contribution from important stakeholders and explore potential collaboration
Multi-functional Landscapes (Sayer et al. 2013)
“Areas that have the potential to provide material and immaterial good to satisfy social needs” Barkmann et al. 2004
Forest-Agricultural Landscapes provide food, fibre and fuel through ecosystem services provisioning
Agricultural systems within the landscapes impact ecosystem services and biodiversity
Perfecto et al 2009
Problem statementThere is little integration of agriculture and biodiversity conservation priorities in Forest-Agriculture landscapes. Partly due to limited knowledge on the socio-ecological flows of services and values that support sustainable agriculture and conservation of ecosystem services in the landscape.
ObjectivesEstablishing the evidence base on multifunctional landscapes for food and biodiversity conservation demands. Identify, appraise and synthesize the existing research on the importance of ecosystem services and dis-services on food production, the impacts of agriculture on biodiversity and models of landscapes that combine different human demands without comprising forest ecosystems.
Justification
The need for better understanding of landscape approaches for food security, biodiversity conservation and sustainability of ecosystem services.
Prioritise research to contribute to evidence based policy making on forestry and food security.
Undertake further data collection to answer important questions (derived from results of this systematic review) and contribute to filling knowledge gaps.
Landscape components of interest
Population Intervention Comparators Outcomes
Agricultural landscapes in the proximity of tree cover
Data collection and analysis on ecosystem services, biodiversity and agricultural production in forest-agriculture landscapes and the interactions between them
Crop production, biodiversity (conservation/degradation), food security indicators within and outside proximity to tree cover
The analysed impact (quantitative/qualitative) of biodiversity, ecosystem function, food security on identified Comparators
Scoping studyMain terms• Forest-agriculture landscapes• Agroforestry systems• Farming/cropping systems
Exposure terms Ecosystem services and dis-services
Outcome terms Crop productivity Resource use efficiency (RUE) Biodiversity conservation/degradation
OR/AND
OR/AND
ES in general ES in Agriculture Measured0
200
400
600
800
1000
1200
1070
192
39
Num
ber o
f studies
Scoping study
Scopus search
30% on pollination
services alone
Research topics for discussion
Topic 1Multi-functional landscapes for food and
biodiversity conservation What is the contribution of ecosystem services in multi-
functional landscapes to agriculture and food security?
How do different agricultural production systems in forest-agricultural landscapes benefit from and affect biodiversity to varying extents?
Are smallholder production systems enhanced by proximity to trees and forests and what is the impact of these systems on forest biodiversity and sustainability of ecosystems services provisioning?
Topic 2
Ecosystem services and dis-services in forest-agriculture landscapes.
What are the ecosystem services and dis-services in forest-agriculture landscapes how do they contribution to agriculture and food security?
What are the inter-linkages between ecosystems services and dis-service, agricultural systems and biodiversity and how do these interact in forest-agriculture landscapes?
Discussion
Thank you
Review timeline…
Gauging relevance of systematic review in expert discussion 30th September 2013
Complete draft protocol early November 2013 1st stakeholder meeting late November 2013 Submit draft protocol early December 2013
Linking Ecosystem Services and Food Security (Richardson et al. 2010)
Wild pollinators enhance flowering and fruit set (Garibaldi et al. 2013)
Buffering of extreme weather conditions to allow for cultivation (Tougiani et al. 2009)
Nitrogen fixation by trees substitute for purchased inputs and better soil fertility (Sendzimir et al. 2011)
Nutrient cycling between tree-fallow-crop ecosystems (Power 2010)
Water regulation and conservation for crop uptake in dry season (Jose 2009)