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| A rapid tree diversity assessment method for cocoa agroforestry systems, Raneri, J., Oliveira, S., Demers, N. R., Asare, R., Nuamah, S.*, Dalaa, M. A. and Weise, S., in: Ecological Indicators, volume 130, number -: 107993, pages 1-11, ISSN 1470-160X, 2021. [DOI] |
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| Structure of cocoa farming systems in west and central Africa: a review, Sonwa, D., Weise, S., Schroth, G.*, Janssens, M. and Shapiro, H., in: Agroforesty Systems, volume 93, pages 2009-2019, ISSN 0167-4366, 2019. [DOI] |
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| Structure and composition of cocoa agroforests in the humid forest zone of southern Cameroon, Sonwa, D., Weise, S., Nkongmeneck, B. A.*, Tchatat, M. and Janssens, M., in: Agroforestry Systems, volume 91, number 3, pages 451-470, ISSN 0167-4366, 2017. [DOI] |
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| Effect of planted fallow systems on Zonocerus variegatus (Orthoptera: Pyrgomorphidae) abundance in the humid forest zone of Southern Cameroon, Kekeunou, S.*, Hauser, S., Weise, S., Messi, J. and Moglan, I.*, in: Journal of Pest Science, volume 83, pages 399-407, ISSN 1612-4758, 2010. |
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| Wildlife diversity in cocoa/agricultural mosaics at the Congo Basin forest margin, Weinbaum, K., Sonwa, D., Weise, S., Brashares, J. and Getz, W., number 3, 2009. |
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| Chocolate Forest and the Peri-Urban Landscape: tree diversity of the cocoa agroforests around Yaounde (southern Cameroon), Sonwa, D., Nkongmeneck, B. A.*, Weise, S., Tchatat, M. and Janssens, M., number 5, 2008. |
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| Management of cocoa: constraints during acquisition and application of pesticides in the humid forest zones of Southern Cameroon, Sonwa, D., Coulibaly, O., Weise, S., Adesina, A. and Janssens, M., in: Crop Protection, volume 27, number 8, pages 1159-1164, ISSN 0261-2194, 2008. [DOI] |
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| Diversifying and intensifying the Cocoa Agroforest Landscape: review and strategic approaches for managing the shade matrix in West and Central Africa, Sonwa, D., Weise, S., Janssens, M., Schroth, G. and Shapiro, H., number 4, 2008. |
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| Opportunities for avoided deforestation with sustainable benefits: an interim report of the ASB partnership for the Tropical Forest Magins, Swallow, B., Van Noordwijk, M., Dewi, S., Murdiyarso, D., White, D., Gockowski, J., Hyman, G., Budidarsono, S., Robiglio, V., Meadu, V., Ekadinata, A., Agus, F., Hairiah, K., Mbile, P., Sonwa, D. and Weise, S., 2007. |
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| Diversity of plants in cocoa agroforests in the humid forest zone of Southern Cameroon, Sonwa, D., Nkongmeneck, B. A.*, Weise, S., Tchatat, M., Adesina, A. and Janssens, M., in: Biodiversity and Conservation, volume 16, number 8, pages 2385-2400, 2007. [DOI] |
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| Structure of cocoa agroforest of Southern Cameroon, Sonwa, D., Weise, S., Nkongmeneck, B. A.*, Tchatat, M. and Janssens, M., Poster: in Second International Symposium on Multi-Strata Agroforestry Systems with Perennial Crops: Making ecosystem services count for farmers, consumers and the environment, 17 – 21 September 2007 CATIE, 2007. |
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| Abundance and life cycle of Zonocerus variegatus (Orthoptera: Pyrgomorphidae) in the humid forest zone of southern Cameroon, Messi, J., Kekeunou, S. and Weise, S., in: Entomological Science, volume 9, number 1, pages 23-30, ISSN 1479-8298, 2006. [DOI] |
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| Insect pests' incidence and variations due to forest landscape degradation in the humid forest zone of southern Cameroon: farmers' perception and need for adopting an Integrated Pest Management strategy, Kekeunou, S.*, Messi, J., Weise, S. and Tindo, M., in: African Journal of Biotechnology, volume 5, number 7, pages 555-562, ISSN 1684-5315, 2006. |
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| Adaptations of cocoa and coffee farmers' communities in the heart of remnant pristine forest of east Cameroon to institutional changes, Sonwa, D., Weise, S., Adesina, A., Tchatat, M., Ndoye, O. and Endamana, D., in: Proceedings of the Fourth Meeting of IUFRO Working Party 8.01.03, Sept. 26-29, 2006, Locorotondo, Bari, Italy, pages 339-347, Accademia Italiana di Scienze Forestali, 2006. |
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| Fluctuation numerique du criquet puant dans les jacheres naturelles et plantees du sud Cameroun: influence de Chromolaena odorata, Kekeunou, S.*, Weise, S., Tindo, M., Hauser, S. and Messi, J., 2006. |
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| Farmers' perception on the importance of variegated grasshopper (Zonocerus variegatus (L)) in the agricultural production systems of the humid forest zone of Southern Cameroon, Kekeunou, S.*, Weise, S., Messi, J. and Tamo, M., in: Journal of Ethnobiology and Ethnomedicine, volume 2, pages 17, 2006. |
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| The forest margins of Cameroon; slash and burn: the search for alternatives, Gockowski, J., Tonyé, J., Diaw, C., Hauser, S., Kotto-Same, J., Moukam, A., Njomgang, R.*, Nwaga, D.*, Tiki-Manga, T.*, Tondoh, J., Tchoundjeu, Z., Weise, S., Zapfack, L.* and Palm, C., pages 305-331, chapter 14, Columbia University Press, 2005. |
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| Impact of forest cover degradation on diversity and pest status of grasshoppers in Africa, Kekeunou, S.*, Messi, J., Foahom, B. and Weise, S., in: XXII IUFRO World Congress, 8-13 August 2005, Brisbane, Australia, pages 391, 2005. |
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| Sustainability of tropical land use systems following forest conversion. Slash and Burn: the search for alternatives, Hairiah, K., Van Noordwijk, M., Weise, S. and Palm, C., Columbia University Press, 2005. |
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| Production constraints on cocoa agroforestry systems in West and central Africa: the need for integrated pest management and multi-institutional approaches, Sonwa, D., Ngobo, M., Weise, S., Adesina, A., Nkongmeneck, B. A.*, Tchatat, M. and Ndoye, O., in: XXII IUFRO World Congress, August 8-13, Brisbane, Australia, pages 349, 2005. |
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| Ecoregional research in Africa: learning lessons from IITA's benchmark area approach, Douthwaite, B., Baker, D., Weise, S., Gockowski, J., Manyong, V. and Keatinge, J., in: Experimental Agriculture, volume 41, number 3, pages 271-298, ISSN 0014-4797, 2005. |
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| Tree crops program: a public-private partnership realizing a new development paradigm, Ngobo, M. and Weise, S., in: The 18th Symposium of the International Farming Systems Association Global Learning Opportunity (IFSA-GLO) on Farming Systems and Poverty: making a difference, 31 October-4 November 2005, Rome, Italy, 2005. |
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| The impact of a fluctuating agenda at the international level on cocoa farms in the humid forest zone of West and Central Africa: current issues, research and development implications, Sonwa, D. and Weise, S., in: 6th open meeting of the IHDP (International Human dimension program of Global Environmental Change Research community), University of Bonn, Germany 9-13 October, University of Bonn, Germany, 2005. |
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| Land Use Mosaic Approach to ARD at the Forest Margins: integration of Lessons from ASB and STCP in the Congo Basin, Ngobo, M. and Weise, S., in: EFARD Conference, 27 - 29 April, Zurich, 2005. |
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| Fallow-based non-timber forest species of southern Cameroon, Ngobo, M. and Weise, S., in: XXII IUFRO World Congress, 8-13 August, Brisbane, Australia, pages 144, 2005. |
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| The need to promote biodiversity conservation by cocoa agroforests in West and Central Africa, Sonwa, D., Weise, S. and Janssens, M., in: Poster presented during the International conference on "Biodiversity: science and governance" organized by the French government at the UNESCO Headquarters, Paris, France, 24-28 January 2005, 2005. |
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| Phytogenetic preferences of farmers' communities during a crisis context in the cocoa agroforest area of the humid forest zone of southern Cameroon, Sonwa, D., Weise, S., Adesina, A., Tchatat, M., Nkongmeneck, B. A.*, Ndoye, O. and Endamana, D., in: XXII IUFRO World Congress, 8-13 August, Brisbane, Australia, pages 44, 2005. |
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| Managing landscape mosaics at the forest-agriculture interface for improved rural livelihoods: A case of study in the Congo Basin, Ngobo, M., Weise, S., Robiglio, V., Bakam, I., Nolte, C. and Hauser, S., in: XXII IUFRO World Congress, 8-13 August 2005, Brisbane, Australia, pages 41-42, 2005. |
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| Impact of invasive Siam weed on plant species composition and community structure of natural fallow systems: A case study in southern Cameroon, Ngobo, M. and Weise, S., in: XXII IUFRO World Congress, 8-13 August 2005, Brisbane, Australia, pages 261, 2005. |
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| Potential contributions of biotechnologies in the management and conservation of forest resources of the Congo basin, Sonwa, D., Weise, S., Nkongmeneck, B. A.*, Nwaga, D.*, Zapfack, L.*, Nzooh, L. and Janssens, M., in: International Forestry Review, volume 7, pages 59-62, 2005. |
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| Production constraints on cocoa agroforestry systems in West and Central Africa: the need for integrated pest management and multi-institutional approaches, Sonwa, D., Weise, S., Adesina, A., Nkongmeneck, B. A.*, Tchatat, M. and Ndoye, O., in: Forestry Chronicle, volume 81, pages 345-349, 2005. |
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| Integrated pest Management in cocoa agroforest in Southern Cameroon: constraints and overview, Sonwa, D., Coulibaly, O., Adesina, A., Weise, S. and Tchatat, M., in: Integrated Pest Management Reviews, volume 7, number 3, pages 191-199, 2004. |
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| Synergie entre savoir local et expertise scientifique pour un renforcement des systèmes locaux d'information, Ngobo, M., Robiglio, V., Mala, W. and Weise, S., in: Fifth Conference on Central African Moist Forest Ecosystems (CEFDHAC), Yaoundé, Cameroon, 24-26 May 2004, Yaoundé, Cameroon., 2004. |
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| Impacts of type of fallow and invasion by Chromolaena odorata on weed communities in crop fields in Cameroon, Ngobo, M., McDonald, M. and Weise, S., in: Ecology and Society, volume 2, number 9, pages 1-15, 2004. |
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| Impact of fallow and invasion by Chromolaena odorata on weed communities of crop fields in Cameroon., Ngobo, M., McDonald, M. and Weise, S., in: Ecology and Society, volume 2, number 9, pages 1-15, 2004. |
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| Revisiting the performance of shortened fallows in the traditional shifting cultivation system of Central Africa., Ngobo, M., Weise, S. and McDonald, M., in: Scandinavian Journal of Forest Research, volume 19, number (Suppl. 4), pages 1-11, 2004. |
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| Conservation because it pays: shaded cocoa agroforests in west Africa, Gockowski, J., Weise, S., Sonwa, D., Tchatat, M. and Ngobo, M., in: Theobroma cacao: Ancient Crop, Medicinal Plant, Surprising Future Symposium held on February 10, 2004 at the National Academies of Science, Washington, DC, 2004. |
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| Management of complex cocoa based agroforestry system of the Humid Forest Zone of Southern Cameroon: typology and conservation of forest resources, Sonwa, D., Weise, S., Gockowski, J., Nkongmeneck, B. A.*, Tchatat, M., Adesina, A. and Janssens, M., in: 1st World Congress of Agroforestry - Working Together for Sustainable Land-use Systems, 27 June-2 July 2004, Orlando, Florida, USA, 2004. |
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| The agroforestry potential of four key productive non-timber forest species in a shifting cultivation system of Cameroon, Ngobo, M., Weise, S. and McDonald, M., in: First World Congress of Agroforestry - Working Together for Sustainable Land-use Systems, 27 June-2 July 2004, Orlando, Florida, USA.: Book of Abstracts, pages 383, 2004. |
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| Natural fallows of southern Cameroon: trends and implications for agroforestry research, Ngobo, M., Weise, S. and McDonald, M., in: 1st World Congress of Agroforestry - Working Together for sustainable Land-use Systems, 27 June-2 July 2004 Orlando, Florida, USA, 2004. |
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| Redynamisation of cocoa based agroforestry system through public-private partnership in the humid forest zone of West and Central Africa, Sonwa, D., Weise, S. and Janssens, M., in: Poster presentation at the 1st World Congress of Agroforestry - Working Together for Sustainable Land-use Systems, 27 June-2 July 2004, Orlando, Florida, USA, 2004. |
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| Integrating Research Results into Decision Making about Natural Resource Management at the Forest-agriculture Interface: a Case Study in the Congo Basin, Weise, S. and Ngobo, M., in: Rural poverty reduction through research for development and transformation: international research on food security, natural resource management and rural developmen: Book of abstracts (Deutscher Tropentag 2004). Berlin, pages 169, 2004. |
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| Effect of Calliandra planting pattern on biomass production and nutrient accumulation in planted fallows of southern Cameroon, Nolte, C., Tiki-Manga, T.*, Badjel-Badjel, S.*, Gockowski, J., Hauser, S. and Weise, S., in: Forest Ecology and Management, volume 179, pages 535-545, 2003. |
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| An impact assessment of IITA's benchmark area approach, Douthwaite, B., Baker, D., Weise, S., Gockowski, J., Manyong, V. and Keatinge, J., Impact series, 2003. |
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| Management constraints of cocoa agroforest during acquisition and application of pesticides in Humid Forest Zone of Cameroon, Sonwa, D., Coulibaly, O., Weise, S. and Janssens, M., in: Paper presented at: Poster: technological and Institutional Innovations for Sustainable Rural Development, 8-10 Oct, Georg-August-Universität, Deutscher Tropentag, Göttingen, 2003. |
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| Non-wood forest products in short-duration fallow lands of southern Cameroon, Ngobo, M., Weise, S. and McDonald, M., in: Paper presented at the XII World Forestry Congress, Quebec City, Canada, 21-28 September, Quebec City, Canada, 2003. |
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| Species diversity in fallow lands of southern Cameroon - Implications for management of man-made landscape, Ngobo, M. and Weise, S., in: Paper presented at: Technological and Institutional Innovations for Sustainable Rural Development, 8-10 Oct, Georg-August-Universität, Deutscher Tropentag, Göttingen, 2003. |
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| Ecology and socio-economic importance of shortened fallows in southern Cameroon - Productivity of selected high-value species, Ngobo, M. and Weise, S., in: Paper presented at: Technological and Institutional Innovations for Sustainable Rural Development, Georg-August-Universität, Deutscher Tropentag, Göttingen, 2003. |
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| The role of cocoa agroforest on forest resource management and poverty alleviation in rural forest area of southern Cameroon, Sonwa, D., Weise, S. and Janssens, M., in: Paper presented at: Poster at the International Conference on Rural Livelihoods, Forests and Biodiversity, 19-23 May, Bonn, Germany, 2003. |
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| Local intensification and diversification initiatives within the cocoa agroforests of southern Cameroon: lessons for participatory forestry in perennial crop-based systems of Central and West Africa, Sonwa, D., Weise, S., Ndoye, O. and Janssens, M., in: Paper presented at: Second International Workshop on Participatory Forestry in Africa - Defining the way forward: sustainable livelihoods and sustainable forest management through participatory forestry, 18-22 Feb. 2002, FAO, Rome, Arusha, Tanzania, 2003. |
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| The promotion of cocoa agroforest in West and Central Africa (French tittle: Promotion des agroforêts cacao en Afrique de l'Ouest et Centrale), Sonwa, D., Weise, S., Ndoye, O. and Janssens, M., in: Paper presented at: Paper presented at the XII World Forestry Congress, 21-18 September, Quebec City, Canada, 2003. |
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| Cacao agroforestry: integrating cacao production and forest resource conservation and management in southern Cameroon, Sonwa, D., Weise, S., Tchatat, M., Nkongmeneck, B. A.*, Adesina, A., Ndoye, O. and Gockowski, J., in: Paper presented at: 2nd Pan-African Symposium on the Sustainable Use of Natural Resources in Africa, 24-27 July 2000, Ouagadougou, Burkina Faso, 2003. |
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| New synergies in the promotion of cocoa-based agroforestry systems in the humid forest zone of West and Central Africa, Sonwa, D., Weise, S. and Janssens, M., in: ETFRN News, volume 39/40, pages 38-40, 2003. |
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| Chemical properties and soil organic matter assessment under fallow systems in the forest margins benchmark, Koutika, S., Sanginga, N., Vanlauwe, B. and Weise, S., in: Soil Biology and Biochemistry, volume 34, number 6, pages 757-765, ISSN 0038-0717, 2002. [DOI] |
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| Domestication dans les agroforêts cacao de la zone de forêt humide du Sud-Cameroun:Caracteristiques et preference des cacaoculteurs pratiquants la sylviculture de Dacryodes edulis, Sonwa, D., Tchatat, M., Adesina, A., Weise, S., Nkongmeneck, B. A.*, Ndoye, O. and Endamana, D., in: Paper presented, Presses Universiatires d'Afrique, Yaounde, 2002. |
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| Conservation de la biodiversité et développement d'un système pilote d'information sur la production et la commercialisation dans les agroforêts Cacao du Sud-Cameroun, Sonwa, D., Wandji, D., Gockowski, J., Weise, S. and Legg, C., in: Paper presented, Dakar, Senegal, 2002. |
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| Influence of land-use intensity on weed dynamics and crop yield in southern Cameroon, Ngobo, M., Weise, S. and McDonald, M., in: Paper presented, Pisa, Italy, 2002. |
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| Vegetation structure, floristic composition and ethnobotanical study of fallows in southern Cameroon, Ngobo, M., Weise, S., McDonald, M. and Zapfack, L.*, in: Paper presented, Nancy, France, 2002. |
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| Land-use characterization and estimation of carbon stocks in the alternatives to slash-and-burn benchmark area of Cameroon: RCMP Research monograph, No. 28, Nolte, C., Kotto-Same, J., Moukam, A., Thenkabail, P., Weise, S., Woomer, P. L. and Zapfack, L.*, RCMP Research monograph, No. 28, International Institute of Tropical Agriculture (IITA), 2001. |
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| Bringing the Landscape into focus: Developing a conceptual framework and identifying methods for ASB work at the landscape scale, Kasyoki, J. and Weise, S., in: Paper presented at: Alternatives to Slash and Burn Global Partnership Symposium, 12-13 Nov., Chiang Mai, Thailand, 2001. |
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| IITA's Benchmark Area Approach: putting INRM into practice, Douthwaite, B., Weise, S., Gockowski, J., Keatinge, J., Manyong, V. and Baker, D., in: Paper presented at: INRM Workshop, Cali, Colombia 28-31 August, 2001. |
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| Sustainable Tree Crop Program framework: the West/Central African Regional Experience, Weise, S., in: Paper presented at: Sustainable Tree Crop Program - Washington Workshop of CMA/ACRI, Kampala, Uganda. March, 2001. |
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| Alternatives to slash-and-burn: summary report and synthesis of phase II Cameroon, Kotto-Same, J., Moukam, A., Njomgang, R.*, Tiki-Manga, T.*, Tonyé, J., Diaw, C., Gockowski, J., Hauser, S., Weise, S., Nwaga, D.*, Zapfack, L.*, Palm, C., Woomer, P. L., Gillison, A., Bignell, D. and Tondoh, J., 2000. |
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| Deforestation, hunting and the ecology of microbial emergence, Wolfe, N., Eitel, M., Gockowski, J., Muchal, P., Nolte, C., Prosser, A., Torimiro, J., Weise, S. and Durke, D, in: Global Change and Human Health, volume 1, pages 2-17, 2000. |
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| Weed control in cassava farms, Melifonwu, A., James, B., Aihou, K.*, Weise, S., Awah, E. and Gbaguidi, B., International Institute of Tropical Agriculture (IITA), 2000. |
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| Response of Chromolaena odorata to different tree densities in a tropical agrisilvicultural system. Aboveground biomass production, partitioning, decomposition and nutrient release, Norgrove, L., Hauser, S. and Weise, S., in: Agriculture, Ecosystems and Environment, volume 81, pages 191-208, 2000. |
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| Changing fallow vegetation with the introduction of Pareuchaetes pseudo insulata to control Chromolaena odorata in southern Ghana, Timbilla, J., Weise, S., Addai, A. and Neuenschwander, P., in: Paper presented at: Fifth International Workshop on Biological Control and Management of Chromolaena odorata. Durban, 23-25 October, 2000. |
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| The role of Chromolaena odorata in the short fallow-food crop systems of the forest margins of southern Cameroon, Weise, S., Hauser, S., Koutika, L. and Tchamou, N., in: Paper presented at: Fifth International Workshop on Biological Control and Management of Chromolaena odorata. Durban, 23-25 October, 2000. |
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| Sustainable Tree Crop Program framework: Objectives and results, Weise, S., in: Paper presented at: Sustainable Tree Crops Program - Regional Implementation Workshop. Accra, May, 2000. |
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| A conceptual framework for research and technology transfer to support sustainable tree crop development, Weise, S., in: Sustainable Tree Crops Program - Regional Implementation Workshop. Accra, May, pages 1-4, 2000. |
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| Effects of crop density and species upon surface casting by earthworms and implications for nutrient cycling in a tropical intercropping system, Norgrove, L., Hauser, S. and Weise, S., in: Pedobologia, volume 42, pages 267-277, 1998. |
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