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Publications (25)
L’homme a toujours pu compter sur la nature pour subvenir à ses besoins de base. Occasionnent ainsi des pressions de plus en plus importantes. Aujourd’hui le constat est général ; il y’a une réduction alarmante de la diversité des écosystèmes de la flore animale et végétale. Au Sénégal, ces facteurs sont accentués par la sécheresse. Pour Pallier ce...
Strategies for equitably managing savannas are urgently needed as these ecosystems undergo significant social and ecological changes that threaten their sustainability and the livelihoods of those that depend upon them. Using snowball sampling, we interviewed 28 key informants in Velingara, Senegal, to quantify the relative socio-cultural importanc...
Using plants to control pests is an important part of traditional agriculture. However, due to a lack of transmission, this traditional knowledge is now seriously threatened. The aim of this study is to make an inventory of endogenous traditional knowledge on local plants used to control biological pests of crops and agricultural products. A series...
Plants used for crop protection in the traditional system and to evaluate their antifungal efficacy. An ethnobotanical survey of 34 informants in 10 villages in the Kédougou area allowed us to identify 22 species of plants used by the populations of this area. They are made up of 22 genera and 18 families, the best represented being the Lamiaceae (...
The aim of this work is to contribute to a better knowledge of liverworts in the herbaria of Senegal in order to provide basic knowledge for a better sustainable management. This study is carried out in the firstly in the herbaria of the University Cheikh Anta Diop of Dakar/Senegal: the herbarium of the Herbarium of the Institut Fondamental d'Afriq...
In Senegal, Mosses constitute a large and diverse systematic group. This work is a contribution to the knowledge of Bryophyta in the herbaria of Senegal. It specifically proposes to determine the structure of the Bryophyta on the prospected sites in order to provide basic knowledge for a better sustainable management. This study is carried out in t...
Forests are an immense reservoir of biological resources and provide the local population with subsistence needs, especially for edible fruits. This study contributes to a better knowledge of the use modes of non-cultivate edible plant species in the area of Kasa, traditional name for the department of Oussouye. Ethnobotanical surveys, based on an...
Le genre Solanum est l'un des plus importants de la flore du Sénégal tant par sa richesse spécifique que par sa valeur socio-économique. Cependant, si les espèces cultivées font l’objet d’étude sous diverses formes, les sauvages sont fréquemment éliminées. L’étude vise à renseigner sur la chorologie, l’écologie et les usages des espèces sauvages ap...
Les poils épidermiques et les types stomatiques chez les morphotypes de karité (Vitellaria paradoxa C.F. Gaertn subsp. paradoxa) ont été étudiés au Tchad en 2010, de Juillet à Septembre. L’objectif est la recherche des caractères micro morphologiques discriminants susceptibles d’améliorer l’identification des morphotypes de cette espèce. En fait, d...
Le genre Indigofera est le plus diversifié des plantes à fleurs dans la classe des Dicotylédones de la flore du Sénégal avec 44 espèces. Cette diversité élevée du genre Indigofera est la principale cause de difficulté d'identification des différents taxons spécifiques. Ainsi , une confusion est observée entre Indigofera astragalina et I. hirsuta va...
Natural products of plant meet a renewed interest for a decade. However, climate change and human action have led to a degradation of the natural ecosystems and extinction for certain plant. This study contributes to a better knowledge of popular classification systems of spontaneous plants. Ethnobotanics survey based on an open semi structured int...
The bryophyte flora of the Sahelian region of sub-Saharan Africa is characterized by a low species richness, but is also extremely poorly documented. We present here the results of a floristic survey in Kedougou (eastern Senegal), which yielded 22 species. Two liverworts and 15 moss species are new to the country, so that the bryophyte flora of Sen...
Objectifs : Au Sénégal, la production de mil est faible à cause de plusieurs facteurs parmi lesquels la pauvreté des sols, la pression des adventices. Ce présent travail envisage l’utilisation des cultures associées (mil et niébé) pour lutter contre les adventices et améliorer à la fois la qualité des sols et la production agricole. Il est mené dan...
Trends of biomass production and land processes in the Sahel have been widely studied since the droughts of 1970s. Satellite data have been an important source of information because of limited in situ data. Previous studies relied on the assumed existence of a relationship between vegetation productivity and the NDVI, in particular the annually in...
Ficus (Moraceae) is one of the most important genera of the tropical flora because of its high number of species. Among the ligneous plants, this genus is the most diversified within the Senegalese flora and accounts for more than 30 species. If the most known species are protected in various forms, the least known ones are frequently slashed to ma...
A tree survey and an analysis of high resolution satellite data were performed to characterise the woody vegetation within a 10 × 10 km2 area around a site located close to the town of Dahra in the semi-arid northern part of Senegal. The surveyed parameters were tree species, height, tree crown radius, and diameter at breast height (DBH), for which...
Ficus gnaphalocarpa L. and Ficus dekdekena (Miq.) A.Rich. belong to the well-known plants of Moraceae family growing in tropical regions. Their fruits are traditionally used as dietary wild fruits in West africa [1].
The aim of our study was to evaluate the in vitro radical scavenging activities (RSA) of these Ficus fruits hydroalcoholic extracts,...
Scientific validation of pharmacological actions of 7 Senegalese plants used in traditional medicine for the treatment of respiratory illness was carried out. Changes in contractility of isolated rat trachea were assessed in organ chambers. Rings were allowed to equilibrate for 60 min before experiments were carried out, during which time the resti...
In this study, we suggested characterizing the vasodilator effects and the phytochemical characteristics of a plant with food usage also used in traditional treatment of arterial high blood pressure in Senegal.
Vascular effects of crude extract of dried and powdered calyces of Hibiscus sabdariffa were evaluated on isolated thoracic aorta of male Wi...
The genus Ficus L. (Moraceae) is one of most important of the tropical flora due to the high number of species. Among the wooden plants, it constitutes the more diversified genus in the flora of Senegal, where it achieves more than 30 species. Previous studies showed the importance of the leaves characters and figs in the characterization of the va...