Publications enseignants UFR ST: Recent submissions
Now showing items 321-340 of 420
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Impact du type de phosphore sur la croissance de plants d'Acacia holoserie A. Cunn ex. G. Don en boisement villageois en région soudano-sahélienne au Sénégal
(2008)This work have studied an Acacia holosericea plantation of two years old where trees are biologically improved with Pisolithus alba inoculation join or not with a contribution of phosphate in country forestation at ... -
Functional groups of Sahelian trees in a semiarid agroforestry system of Senegal
(2018-06)Aims Addressing plant responses to water stress is critical to understand the structure of plant communities in water-limited environments and to forecast their resilience to future changes in climate. In a semiarid ... -
Functional responses of four Sahelian tree species to resource availability.
(2019)Plants experience a fluctuating environment in time and space that affects resource supply. As human impacts on the environment directly and indirectly alter resource availability, it is important to address plant responses ... -
Respuesta adaptativa de especies leñosas à las variaciones climáticas y ambientales en el noroeste de Senegal
(2016-01)El agua es el recurso más limitante en ambientes secos para la mayoría de árboles y masas forestales, porque a medida que dis minuye el contenido de agua en el suelo las plantas disminuyen su actividad fisiológica y su ... -
Protection of Continental Surface Waters in Senegal: What Strategy Should be Adopted for Sustainable Development?
(2018-07-17)This article analyzes the main legal, administrative, technical and financial elements of a strategy to adopt for a sustainable development of continental surface waters in Senegal. The results of the analysis indicate ... -
Quantification of Water Erosion and Statistical Modeling of Solid Transport in the Faleme River Basin (Senegal, Mali and Guinea)
(2019-08-27)This work aims at quantifying the phenomenon of hydric erosion and at modelling solid transport and its variability in Falémé River basin over a period 1965-2015. Methodological approach is to establish a relation of ... -
Characterization of the effects of manantali dam on the hydrological regime of the Senegal river by the IHA/RVA method
(2018)Stream flow regimes are considered the main driving force of their ecosystem.1 The stability of river ecosystems is largely dependent on the natural dynamic change characteristics of river flow.2 The water resources ... -
Assessment of the spatial and temporal trend of the COVID-19 pandemic in Senegal
(2020-07)Following the declaration of COVID-19 as a global pandemic and the reporting of one case in Senegal, the number of regions with confirmed cases of infection increased considerably, with the disease now being reported ... -
Study of the fluctuation of the NDVI in the Casamance River Basin upstream of Kolda using remote sensing data: what impact on flow?
(2020)Changes in land use and land cover have attracted considerable scientific interest in recent years because of their marked influence on hydrological cycles. In the tropics, widespread vegetation degradation and changes ... -
Investigating the drivers of total suspended sediment regime in the Senegal river basin using landsat 8 satellite images.
(2020)Because total suspended sediments (TSS) influence the penetration of light into the water column and are likely to carry pollutants and nutrients, their study is essential for understanding the functioning of African ... -
Variation spatiale et temporelle des précipitations de 1971 à 2010 dans le bassin versant du Sine Saloum (Sénégal)
(2020-06)En tant que variable importante du cycle hydrologique, les précipitations ont une forte influence sur les cultures agricoles irriguées et pluviales. Une meilleure compréhension de leur variabilité au Sénégal est ... -
A Review of the Results of Senegal's Response to the COVID-19 Pandemic Through State of Emergency and Curfew
(2020)health security is about preventing and controlling infections around the world. These measures are everyone's business to ensure the prevention of any outbreak of diseases with epidemic potential. Africa may be ... -
A dissymmetry in the figures related to the COVID-19 pandemic inthe world ; what fctors explain the difference betwen Afica and the rest of the world ?
(2020)Humanity has experienced outbreaks for millennia, from epidemics limited to pandemics that have claimed many victims and changed the course of civilizations. The advent of vaccines has eradicated some of the serious ... -
L'anomalie de la température minimale et maximal dans la partie Sud-Est du Sénégal
(2019)Le Sénégal subit récemment des impacts du changement climatique liés à des aléas tels que la température, les précipitations, les inondations, les sécheresses, les courants d'air, etc. La température est l’une des ... -
Outils d'évaluation des niveaux d'eau souterraine dans un contexte de variabilité pluviométrique et de hausse des pompages : cas des Niayes (littoral Nord Sénégalais)
(2019-12): Le littoral nord sénégalais dispose d’une Nappe des Sables Quaternaires (NSQ) fortement utilisée pour l’irrigation agricole. Dans cette zone, l'agriculture irriguée connaît une croissance constante depuis plusieurs ... -
Structure du maraichage périurbaine et dégradation des ressources (sols et eau) dans la zone de Boutoute à Ziguinchor (Sénégal).
(2019-11)L’agriculture urbaine est une activité reconnue pour sa multifonctionnalité. En Afrique, elle peut contribuer à la sécurité alimentaire et à la réduction de la pauvreté. La culture maraîchère est une activité sensible ... -
A regional study of frequency maximum daily flows of the upper Senegal river basin (Guinea, Mali, Senegal and Mauritania)
(2019)Frequency analysis of extreme events is among the preferred tools for estimating flood flows and their return periods. In a frequency analysis, the observations must be independent and identically distributed. These ... -
Use of standardized precipitation and evapotranspiration index (SPEI) from 1950 to 2018 to determine drought trends in the senegalese territory
(2019-10)The management of water resources in our states has become increasingly difficult in recent times because of the frequency and intensity of droughts. In the context of climate change, extreme weather and climate events ... -
Effets of hydroclimatic variability on the spatial dynamics of ponds (Simenti, Kountadala and Oudassi) of the Gambia river basin in the Niokolo koba national park (Senegal).
(2019)With climate change, West African watercourses have undergone profound changes with large runoff deficits, faster dryings and very severe low flows. These modifications have led to a sharp decrease in water resources ... -
Quantification de la sécheresse météorologiques par des indices standardisés de précipitations dans la vallée du fleuve Sénégal, de 1980 à 2017
(2019-07)Les sécheresses qui ont des répercussions sur la disponibilité de l'eau, la production agricole et les exploitations d'élevage, sont généralement identifiées et caractérisées à La présente étude porte sur le potentiel ...