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Farmers' assessment of the use of value of agrobiodiversity in complex cocoa agroforestry systems in central Cameroon

Jagoret Patrick, Kwesseu Jacques, Messie C., Michel-Dounias Isabelle, Malézieux Eric. 2014. Farmers' assessment of the use of value of agrobiodiversity in complex cocoa agroforestry systems in central Cameroon. AgroForestry Systems, 88 (6) : pp. 983-1000.

Journal article ; Article de revue à facteur d'impact
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Quartile : Q2, Sujet : AGRONOMY / Quartile : Q2, Sujet : FORESTRY

Abstract : Agroforestry systems in humid tropical areas are complex multispecies cropping systems whose value for farmers is often hard to assess. We present the findings of a participatory assessment that we applied to cocoa agroforestry systems. This assessment, adapted from the pebble distribution method, was used to quantify the value given by farmers to each species of their cocoa agroforestry system according to the attributed uses. A tree inventory in 50 cocoa agroforests was carried out in central Cameroon. Overall, 122 non-cocoa tree species were inventoried. The mean species richness was 23 species per plot and the mean Shannon index was 2.42, for a mean density of 180 non-cocoa trees ha-1 and 1,511 cocoa trees ha-1. Cocoa farmers defined seven different uses for tree species, including Theobroma cacao. 81 % of the species (including cocoa trees) had one to seven uses whereas the highest use value was given to T. cacao, with a mean score of 23.6 %. Then, in descending order, the 10 non-cocoa species with the highest use values were Dacryodes edulis, Persea americana, Elaeis guineensis, Citrus sinensis, Mangifera indica, Milicia excelsa, Cola nitida, Citrus sp., Ricinodendron heudelotii, and Terminalia superba. The frequency of non-cocoa species was significantly and positively correlated with their use value (R2 = 0.914). Our results showed that technical innovations designed to improve cocoa agroforestry systems should take into account farmers¿ knowledge to propose them systems so as to be able to more effectively address their expectations. (Résumé d'auteur)

Mots-clés Agrovoc : Theobroma cacao, Agroforesterie, agrobiodiversité, Espèce, Arbre forestier, Valeur d'utilisation, Utilisation, Arbre à buts multiples, gestion des ressources naturelles, Participation, Agriculteur, approches participatives

Mots-clés géographiques Agrovoc : Cameroun

Classification Agris : F08 - Cropping patterns and systems
K10 - Forestry production
U30 - Research methods
F70 - Plant taxonomy and geography
P01 - Nature conservation and land resources

Champ stratégique Cirad : Axe 1 (2014-2018) - Agriculture écologiquement intensive

Auteurs et affiliations

  • Jagoret Patrick, CIRAD-PERSYST-UMR SYSTEM (FRA)
  • Kwesseu Jacques, Université de Dschang (CMR)
  • Messie C., Université de Dschang (CMR)
  • Michel-Dounias Isabelle, Montpellier SupAgro (FRA)
  • Malézieux Eric, CIRAD-PERSYST-UPR HortSys (FRA) ORCID: 0000-0002-5706-9610

Source : Cirad - Agritrop (https://agritrop.cirad.fr/574495/)

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