Horizon 1 1 5 OS CH : Chapitres d'ouvrages scientifiques La recherche scientifique face à la pêche artisanale = Research and small-scale fisheries Colloques et Séminaires Symposium International ORSTOM-IFREMER 551-558 PECHE ARTISANALE ENQUETE EFFORT DE PECHE PRODUCTION HALIEUTIQUE ANALYSE DE DONNEES ANALYSE QUALITATIVE SENEGAL 1991 1989/07/3-7 Paris ORSTOM fdi:36762 FRE 0767-2896 https://www.documentation.ird.fr/hor/fdi:36762 https://horizon.documentation.ird.fr/exl-doc/pleins_textes/pleins_textes_6/colloques2/36762.pdf Horizon (IRD) A survey system used in Senegal to obtain data on small-scale fishing activity and results since the start of the 1970s is described. Several situations and solution relating to regional characteristics are presented, within the general context of a stratified plan, with several levels of observations in each stratum. Certain procedures used to evaluate the qualities of the system are presented and the existence of a sharing of effort between the various species is demonstrated. (Résumé d'auteur) 040SOCPEC01