Résultats pour Auteur : "Graefe, Sophie"

Disentangling effects of altitude and shade cover on coffee fruit dynamics and vegetative growth in smallholder coffee systems. Sarmiento-Soler Alejandra, Rötter Reimund P., Hoffmann Munir P., Jassogne Laurence, Van Asten Piet J.A., Graefe Sophie, Vaast Philippe. 2022. Agriculture, Ecosystems and Environment, 326:107786, 16 p.

Effect of cropping system, shade cover and altitudinal gradient on coffee yield components at Mt. Elgon, Uganda. Sarmiento-Soler Alejandra, Vaast Philippe, Hoffmann Munir P., Jassogne Laurence, Van Asten Piet J.A., Graefe Sophie, Rötter Reimund P.. 2020. Agriculture, Ecosystems and Environment, 295:106887, 12 p.

Variations in yield gaps of smallholder cocoa systems and the main determining factors along a climate gradient in Ghana. Abdulai Issaka, Hoffmann Munir P., Jassogne Laurence, Asare Richard, Graefe Sophie, Tao Hsiao-Hang, Muilerman Sander, Vaast Philippe, Van Asten Piet J.A., Läderach Peter, Rötter Reimund P.. 2020. Agricultural Systems, 181:102812, 8 p.

Water use of Coffea arabica in open versus shaded systems under smallholder's farm conditions in Eastern Uganda. Sarmiento-Soler Alejandra, Vaast Philippe, Hoffmann Munir P., Rötter Reimund P., Jassogne Laurence, Van Asten Piet J.A., Graefe Sophie. 2019. Agricultural and Forest Meteorology, 266-267 : 231-242.

Characterization of cocoa production, income diversification and shade tree management along a climate gradient in Ghana. Abdulai Issaka, Jassogne Laurence, Graefe Sophie, Asare Richard, Van Asten Piet J.A., Läderach Peter, Vaast Philippe. 2018. PloS One, 13 (4):e0195777, 17 p.

Cocoa agroforestry is less resilient to sub-optimal and extreme climate than cocoa in full sun. Abdulai Issaka, Vaast Philippe, Hoffmann Munir P., Asare Richard, Jassogne Laurence, Van Asten Piet J.A., Rötter Reimund P., Graefe Sophie. 2018. Global Change Biology, 24 (1) : 273-286.

Cocoa agroforestry is less resilient to suboptimal and extreme climate than cocoa in full sun: Reply to Norgrove (2017). Abdulai Issaka, Vaast Philippe, Hoffmann Munir P., Asare Richard, Jassogne Laurence, Van Asten Piet J.A., Rötter Reimund P., Graefe Sophie. 2018. Global Change Biology, 24 (5) : e733-e740.

Evaluating farmers' knowledge of shade trees in different cocoa agro-ecological zones in Ghana. Graefe Sophie, Meyer-Sand Lennart Flavio, Chauvette Katja, Abdulai Issaka, Jassogne Laurence, Vaast Philippe, Asare Richard. 2017. Human Ecology, 45 (3) : 321-332.

Peach palm (Bactris gasipaes) in tropical Latin America: implications for biodiversity conservation, natural resource management and human nutrition. Graefe Sophie, Dufour Dominique, Van Zonneveld Maarten, Rodriguez Fernando, Gonzalez Alonso. 2013. Biodiversity and Conservation, 22 (2) : 269-300.

Energy and carbon footprints of ethanol production using banana and cooking banana discard: A case study from Costa Rica and Ecuador. Graefe Sophie, Dufour Dominique, Giraldo Andrés, Munoz Luis Armando, Mora Paola, Solis Hortensia, Garcés Hernán, Gonzalez Alonso. 2011. Biomass and Bioenergy, 35 (7) : 2640-2649.

Coffea Arabica water use in open versus shaded systems under smallholder's farm conditions in Eastern Uganda. Sarmiento-Soler Alejandra, Vaast Philippe, Hoffmann Munir P., Rötter Reimund P., Jassogne Laurence, Van Asten Piet J.A., Graefe Sophie. 2019. In : 27th Biennial ASIC Conference, Portland, 16-20 September 2018. Book of abstracts 2019. ASIC, SCA. Portland : ASIC, Résumé, 1 p. Biennial ASIC Conference. 27, Portland, États-Unis, 16 Septembre 2018/20 Septembre 2018.

Climate-smart coffee systems in East Africa. Jassogne Laurence, Van Asten Piet J.A., Läderach Peter, Craparo S., Liebig Theresa, Rahn Eric, Baca Maria, Graefe Sophie, Whitbread Anthony M., Nibasumba Anaclet, Ampaire Edidah, Kagezi Godfrey, Vaast Philippe. 2015. In : Building tomorrow’s research agenda and bridging the science-policy gap. CIRAD, INRA, IRD, Agropolis International, Wageningen UR, CGIAR, UCDAVIS, FAO, Agreenium, GFAR. Montpellier : CIRAD, Résumé, 73. Climate-Smart Agriculture 2015 : Global Science Conference. 3, Montpellier, France, 16 Mars 2015/18 Mars 2015.

Energy and carbon footprints of biofuel systems using banana and plantain waste. Graefe Sophie, Munoz Luis Armando, Giraldo Andrés, Solis Hortensia, Dufour Dominique, Gonzalez Alonso. 2010. In : World food system : A contribution from Europe : Tropentag 2010, September 14-16, 2010, Zurich, Switzerland. s.l. : s.n., Résumé, 1 p. Tropentag 2010, Zurich, Suisse, 14 Septembre 2010/16 Septembre 2010.

Food security, income generation and natural resource management of Afro-Colombian communities from the Colombian Pacific region through access to markets : The case of peach palm (Bactris gasipaes K.). Rodriguez Fernando, Graefe Sophie, Giraldo Andrés, Dufour Dominique, Gonzalez Alonso. 2009. In : Biophysical and socio-economic frame conditions for the sustainable management of natural resources : Tropentag 2009, October 6-8, 2009, Hamburg. Witzenhausen : German Institute for Agriculture in the Tropics and Subtropics, Résumé, 1 p. Tropentag 2009, Hamburg, Allemagne, 6 Octobre 2009/8 Octobre 2009.