| Towards a climate change adaptation strategy for coffee communities and ecosystems in the Sierra Madre de Chiapas, Mexico G Schroth, P Laderach, J Dempewolf, S Philpott, J Haggar, H Eakin, ... Mitigation and adaptation strategies for global change 14, 605-625, 2009 | 371 | 2009 |
| An integrated framework for assessing vulnerability to climate change and developing adaptation strategies for coffee growing families in Mesoamerica M Baca, P Läderach, J Haggar, G Schroth, O Ovalle PloS one 9 (2), e88463, 2014 | 275 | 2014 |
| The potential of plantations to foster woody regeneration within a deforested landscape in lowland Costa Rica J Haggar, K Wightman, R Fisher Forest Ecology and Management 99 (1-2), 55-64, 1997 | 209 | 1997 |
| Coffee agroecosystem performance under full sun, shade, conventional and organic management regimes in Central America J Haggar, M Barrios, M Bolaños, M Merlo, P Moraga, R Munguia, A Ponce, ... Agroforestry Systems 82, 285-301, 2011 | 206 | 2011 |
| The effect of overstory composition on understory woody regeneration and species richness in 7-year-old plantations in Costa Rica JS Powers, JP Haggar, RF Fisher Forest Ecology and Management 99 (1-2), 43-54, 1997 | 205 | 1997 |
| Nitrogen dynamics of tropical agroforestry and annual cropping systems JP Haggar, T EVJ, BJW Kass DCL Soil Biology and Biochemistry 25, 1363-1378, 1993 | 203 | 1993 |
| Environmental-economic benefits and trade-offs on sustainably certified coffee farms J Haggar, G Soto, F Casanoves, E de Melo Virginio Ecological indicators 79, 330-337, 2017 | 125 | 2017 |
| Greenhouse gas emissions in coffee grown with differing input levels under conventional and organic management MRA Noponen, G Edwards-Jones, JP Haggar, G Soto, N Attarzadeh, ... Agriculture, Ecosystems & Environment 151, 6-15, 2012 | 123 | 2012 |
| Native species: a resource for the diversification of forestry production in the lowland humid tropics JP Haggar, CB Briscoe, RP Butterfield Forest Ecology and Management 106 (2-3), 195-203, 1998 | 123 | 1998 |
| Technologies for climate change adaptation: agricultural sector R Clements, J Haggar, A Quezada, J Torres UNEP Risø Centre on Energy, Climate and Sustainable Development/Practical Action, 2011 | 122 | 2011 |
| Agroforestry system effects on soil characteristics of the Sarapiquı region of Costa Rica CG Tornquist, FM Hons, SE Feagley, J Haggar Agriculture, ecosystems & environment 73 (1), 19-28, 1999 | 117 | 1999 |
| Coffee and climate change. Impacts and options for adaption in Brazil, Guatemala, Tanzania and Vietnam J Haggar, K Schepp Climate Change, Agriculture and Natural Resource, 2012 | 116 | 2012 |
| Primary productivity and resource partitioning in model tropical ecosystems JP Haggar, JJ Ewel Ecology 78 (4), 1211-1221, 1997 | 115 | 1997 |
| Mesoamerican coffee: building a climate change adaptation strategy P Läderach, JP Haggar, C Lau, A Eitzinger, O Ovalle, M Baca, A Jarvis, ... | 107 | 2013 |
| Ecosystem services from smallholder forestry and agroforestry in the tropics T Idol, J Haggar, L Cox Integrating agriculture, conservation and ecotourism: examples from the …, 2011 | 92 | 2011 |
| Adaptive capacity and social-environmental change: theoretical and operational modeling of smallholder coffee systems response in Mesoamerican Pacific Rim H Eakin, LA Bojórquez-Tapia, RM Diaz, E Castellanos, J Haggar Environmental management 47, 352-367, 2011 | 89 | 2011 |
| Contribution of agroforestry systems to sustaining biodiversity in fragmented forest landscapes J Haggar, D Pons, L Saenz, M Vides Agriculture, Ecosystems & Environment 283, 106567, 2019 | 79 | 2019 |
| Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica JP Haggar, GP Warren, JW Beer, D Kass Plant and Soil 137, 275-283, 1991 | 78 | 1991 |
| Tree diversity on sustainably certified and conventional coffee farms in Central America J Haggar, M Asigbaase, G Bonilla, J Pico, A Quilo Biodiversity and Conservation 24, 1175-1194, 2015 | 76 | 2015 |
| Establishment, resource acquisition, and early productivity as determined by biomass allocation patterns of three tropical tree species JP Haggar, JJ Ewel Forest science 41 (4), 689-708, 1995 | 73 | 1995 |
