selected publications
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article
- Drivers of farmer-managed natural regeneration in the Sahel. Lessons for restoration.. Scientific Reports. 10:15038. 2020
- Farmer-led approaches to increasing tree diversity in fields and farmed landscapes in Ethiopia. Agroforestry Systems. 1-18. 2020
- Rainfall variability, soil heterogeneity, and role of trees in influencing maize productivity—the case from an on-station agroforestry experiment in semi-arid Kenya. Forests, trees and livelihoods. 29:34-52. 2020
- Assessing Context-Specific Factors to Increase Tree Survival for Scaling Ecosystem Restoration Efforts in East Africa. Land. 9. 2020
- Regenerated trees in farmers' fields increase soil carbon across the Sahel. Agroforestry Systems. 94:401-415. 2020
- COMPARATIVE GROWTH OF MULTIPURPOSE TREES AND THEIR INFLUENCE ON SOIL MOISTURE AND MAIZE PERFORMANCE IN SEMI-ARID CONDITIONS, CENTRAL KENYA. Journal of Agricultural Science and Technology. 19:53-73. 2019
- The utility of farmer ranking of tree attributes for selecting companion trees in coffee production systems. Agroforestry Systems. 93:1469-1483. 2019
- Enhancing maize productivity in agroforestry systems through managing competition: lessons from smallholders’ farms, Rift valley, Kenya. Agroforestry Systems. 93:715-730. 2019
- LOADING THE DICE IN FAVOUR OF THE FARMER: REDUCING THE RISK OF ADOPTING AGRONOMIC INNOVATIONS. Experimental Agriculture. 55:67-83. 2019
- Local Knowledge of Tree Attributes Underpins Species Selection on Coffee Farms. Experimental Agriculture. 55:35-49. 2019
- STRUCTURED STAKEHOLDER ENGAGEMENT LEADS TO DEVELOPMENT OF MORE DIVERSE AND INCLUSIVE AGROFORESTRY OPTIONS. Experimental Agriculture. 55:252-274. 2019
- TO CONTROL OR NOT TO CONTROL: HOW DO WE LEARN MORE ABOUT HOW AGRONOMIC INNOVATIONS PERFORM ON FARMS?. Experimental Agriculture. 55:303-309. 2019
- Implications of variation in local perception of degradation and restoration processes for implementing land degradation neutrality. Environmental development. 28:42-54. 2018
- Using Local Agroecological Knowledge in Climate Change Adaptation: A Study of Tree-Based Options in Northern Morocco. Sustainability. 10:3719. 2018
- Provenance and pretreatment effect on seed germination of six provenances of Faidherbia albida (Delile) A. Chev. Agroforestry Systems. 91:1007-1017. 2017
- Accurate crop yield predictions from modelling tree-crop interactions in gliricidia-maize agroforestry. Agricultural Systems. 155:70-77. 2017
- Understanding patterns of tree adoption on farms in semi-arid and sub-humid Ethiopia. Agroforestry Systems. 91:271-293. 2017
- Using local knowledge to understand challenges and opportunities for enhancing agricultural productivity of smallholder farming systems in Western Kenya 2017
- Of mice and men: Why the unintended consequences of carbon markets matter. Land Use Policy. 61:99-102. 2017
- Planned Comparisons Demystified 2017
- Variability of Soil Micronutrients Concentration along the Slopes of Mount Kilimanjaro, Tanzania. Applied and Environmental Soil Science. 2016:1-7. 2016
- Trees in agricultural landscapes enhance provision of ecosystem services in Sub-Saharan Africa. International Journal of Biodiversity Science, Ecosystems Services & Management. 12:255-273. 2016
- Relationships between on-farm tree stocks and soil organic carbon along an altitudinal gradient, Mount Kilimanjaro, Tanzania. Forests, trees and livelihoods. 25:255-266. 2016
- Field-scale modeling of tree-crop interactions: Challenges and development needs. Agricultural Systems. 142:51-69. 2016
- Variations in shoot and root growth of three provenances of Faidherbia albida in clay and sand soil. Journal of Forestry Research. 27:59-66. 2016
- Can co-management of government forest reserves achieve devolution? Evidence from Malawi. Forests, trees and livelihoods. 25:41-58. 2016
- Climate change adaptation in agriculture: practices and technologies. Messages to the SBSTA 44 agriculture workshops 2016
- Roots of inequity: How the implementation of REDD+ reinforces past injustices. Land Use Policy. 50:202-213. 2016
- Evaluating factors influencing heterogeneity in agroforestry adoption and practices within smallholder farms in Rift Valley, Kenya. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 212:106-118. 2015
- Diversity enhances carbon storage in tropical forests. Global Ecology and Biogeography. 24:1314-1328. 2015
- The political economy of forest entitlements: can community based forest management reduce vulnerability at the forest margin?. Forest Policy and Economics. 58:37-46. 2015
- Tree species diversity and abundance in coffee farms adjacent to areas of different disturbance histories in Mabira forest system, central Uganda. International Journal of Biodiversity Science, Ecosystems Services & Management. 11:309-317. 2015
- Illusions of empowerment? Questioning policy and practice of community forestry in Kenya. Ecology and Society. 20. 2015
- Farmers in Côte d’Ivoire value integrating tree diversity in cocoa for the provision of ecosystem services. Agroforestry Systems. 88:1047-1066. 2014
- Development and use of a typology of mapping tools to assess their fitness for supporting management of ecosystem service provision. Landscape Ecology. 29:383-399. 2014
- Consistency in bird use of tree cover across tropical agricultural landscapes. Ecological Applications. 24:158-168. 2014
- An integrated agro-ecosystem and livelihood systems approach for the poor and vulnerable in dry areas. Food Security. 5:751-767. 2013
- Local knowledge of impacts of tree cover on ecosystem services in smallholder coffee production systems. Agricultural Systems. 110:119-130. 2012
- Cereal yield response to conservation agriculture practices in drylands of West Africa: A quantitative synthesis. Journal of Arid Environments. 78:13-25. 2012
- Effects of light environment on maize in hillside agroforestry systems of Nepal. Food Security. 4:103-114. 2012
- Agroforestry and Soil Health: Linking Trees, Soil Biota, and Ecosystem Services 2012
- Morphological and AFLP diversity in Thaumatococcus daniellii, the source of the protein sweetener thaumatin. Genetic Resources and Crop Evolution. 59:151-161. 2012
- Exotic tree species displace indigenous ones on farms at intermediate altitudes around Mount Kenya. Agroforestry Systems. 83:133-147. 2011
- Conservation value of dispersed tree cover threatened by pasture management.. Forest Ecology and Management. 261:1664-1674. 2011
- Maintaining the Conservation Value of Shifting Cultivation Landscapes Requires Spatially Explicit Interventions. Environmental Management. 48:289-306. 2011
- The effect of land use systems on tree diversity: farmer preference and species composition of cocoa-based agroecosystems in Ghana 2011
- Rapid gains in yield and adoption of new maize varieties for complex hillside environments through farmer participation I. Improving options through participatory varietal selection (PVS). Field Crops Research. 111:137-143. 2009
- Realizing community futures: a practical guide to harnessing natural resources 2006
- Implications of hill farmers' agronomic practices in Nepal for crop improvement in maize. Experimental Agriculture. 40:397-417. 2004
- A global assessment using PCR techniques of mycorrhizal fungal populations colonising Tithonia diversifolia. Mycorrhiza. 14:103-109. 2004
- Modelling interactions amongst people and forest resources at the landscape scale. Small-scale Forestry. 2:117-120. 2003
- Participatory crop improvement for intercropped maize on Bari land terraces with trees 2001
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dataset
- Interactive Suitable Tree Species Selection and Management Tool for East Africa- Ethiopia 2018
- Interactive Suitable Tree Species Selection and Management Tool for East Africa- Rwanda 2018
- Local Knowledge of farmers on the role of trees and associated management in food security in Muruta commune, Kayanza Province, Burundi 2018
- Restoration of degraded land for food security and poverty reduction in East Africa and the Sahel: taking successes in land restoration to scale 2018
- Baseline information data for the value Chain Innovation Platform Project (VIP4FS): Study undertaken Solwezi district Zambia 2017
- Baseline information data for the value Chain Innovation Platform Project (VIP4FS): Study undertaken in Manafwa and Kapchorwa districts of Uganda 2017
- Trees for Food Security Project - Baseline Data 2017
- Trees for Food Security Project-Local Knowledge-Farmers on trees and associated management in Gishwati, Rwanda 2017
- TAKING TO SCALE TREE-BASED ECOSYSTEM APPROACHES THAT ENHANCE FOOD SECURITY, IMPROVE RESILIENCE TO CLIMATE CHANGE AND SEQUESTER CARBON IN RWANDA 2016
- Exploring local knowledge on indicators of soil health and contributions of agroforestry trees in smallholders' maize production systems in Rift Valley, Kenya 2015
- Farmers' local ecological knowledge of trees in coffee agroforestry systems in Nicaragua and Guatemala 2015
- Linking local ecological knowledge to plant functional traits in coffee and cocoa 2015
- Scaling up agroforestry requires research ‘in' rather than ‘for' development 2015
- Soil carbon storage in tropical agroforestry systems: impacts of dominant tree species in smallholder farms in Rift Valley, Kenya 2015
- Spatial effect of dominant tree species on crop productivity, water and nutrient availability within smallholder farms in Rift Valley, Kenya 2015
- Africa RISING project: Local agro-ecological knowledge as a basis for sustainable intensification of tree- crop- livestock systems in the Ethiopian highlands: Sinana Woreda, Oromo Region 2014
- Evaluating heterogeneity in agroforestry adoption and practices within smallholder farms in Trans-Nzoia County, Kenya 2014
- Replication data for: Farmers in Cote d'Ivoire value integrating tree diversity in cocoa for the provision of ecosystem services 2014
- Africa RISING Project: Local knowledge of farmers on constraints and opportunities to sustainable intensification of tree-crop-livestock mixed systems in Basona Woreda, Amhara region, Ethiopia 2013
- Africa RISING Project: Local knowledge of farmers on constraints and opportunities to sustainable intensification of tree-crop-livestock mixed systems in Lemo Woreda, Southern Nations, Nationalities and Peoples Region, Ethiopia 2013
- Replication data for: Cereal yield response to conservation agriculture practices in drylands of West Africa: A quantitative synthesis 2013
- CAFNET Local knowledge studies of trees in coffee systems in East Africa 2012
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document
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editorial article
- THE OPTIONS BY CONTEXT APPROACH: A PARADIGM SHIFT IN AGRONOMY. Experimental Agriculture. 55:1-13. 2019
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review
- Maintaining Diversity of Integrated Rice and Fish Production Confers Adaptability of Food Systems to Global Change. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS. 2020
- Agroecological principles and elements and their implications for transitioning to sustainable food systems. A review. Agronomy for Sustainable Development. 2020
- Opportunities and Constraints for Using Farmer Managed Natural Regeneration for Land Restoration in Sub-Saharan Africa. FRONTIERS IN FORESTS AND GLOBAL CHANGE. 2020
- Farmers' knowledge of soil quality indicators along a land degradation gradient in Rwanda. Geoderma Regional. 2019
- Scaling up agroforestry requires research ‘in’ rather than ‘for’ development. Current Opinion in Environmental Sustainability. 73-77. 2014