Sciences de la Terre et de l'environnement

Article scientifique

Age Estimation of African Lions Panthera leo by Ratio of Tooth Areas

Improved age estimation of African lions Panthera leo is needed to address a number of pressing conservation issues. Here we …

2016 Open Access

Article scientifique

The outlook of Ethiopian long rain season from the global circulation model

The primary reason to study summer monsoon (long rain season) all over Ethiopia was due to the atmospheric circulation displays …

2016 Open Access

Article scientifique

Climate change and ecosystems dynamics over the last 6000 years in the Middle Atlas, Morocco

Abstract. The present study aims at reconstructing past climate changes and their environmental impacts on plant ecosystems during the last …

2016 Open Access

Article scientifique

Jellyfish Stings Trigger Gill Disorders and Increased Mortality in Farmed Sparus aurata (Linnaeus, 1758) in the Mediterranean Sea

Jellyfish are of particular concern for marine finfish aquaculture. In recent years repeated mass mortality episodes of farmed fish were …

2016 Open Access

Article scientifique

Contamination from mercury and other heavy metals in a mining district in Ghana: discerning recent trends from sediment core analysis

Many years of gold mining in Ghana has generated huge environmental legacy issues, particularly contamination from heavy metals and metalloids. …

2016 Open Access

Article scientifique

Effectiveness Factors and Conversion in a Biocatalytic Membrane Reactor

Analytical expressions of the effectiveness factor of a biocatalytic membrane reactor, and its asymptote as the Thiele modulus becomes large, …

2016 Open Access

Article scientifique

Variation in stable isotope ratios of monthly rainfall in the Douala and Yaounde cities, Cameroon: local meteoric lines and relationship to regional precipitation cycle

Hydrogen (D) and oxygen (18O) stable isotopes in precipitation are useful tools in groundwater recharge and climatological investigations. This study …

2016 Open Access

Article scientifique

Oral administration of potassium bromate induces neurobehavioral changes, alters cerebral neurotransmitters level and impairs brain tissue of swiss mice

BACKGROUND: Potassium bromate (KBrO3) is widely used as a food additive and is a major water disinfection by-product. The present …

2016 Open Access

Article scientifique

Identifying the “demon whale-biter”: Patterns of scarring on large whales attributed to a cookie-cutter shark Isistius sp

The presence of crater-like wounds on cetaceans and other large marine vertebrates and invertebrates has been attributed to various organisms. …

2016 Open Access

Article scientifique

Preeclampsia and toxic metals: a case-control study in Kinshasa, DR Congo

BACKGROUND: Preeclampsia is frequent in Kinshasa (Democratic Republic of Congo), especially during the dry season. We tested whether preeclampsia was …

2016 Open Access

Article scientifique

Spatial Distribution of a Large Herbivore Community at Waterholes: An Assessment of Its Stability over Years in Hwange National Park, Zimbabwe

The spatial structuring of populations or communities is an important driver of their functioning and their influence on ecosystems. Identifying …

2016 Open Access

Article scientifique

Unsafe Occupational Health Behaviors: Understanding Mercury-Related Environmental Health Risks to Artisanal Gold Miners in Ghana

The relationship between environmental exposure and health outcomes is complex, multidirectional and dynamic. Therefore, we need an understanding of these …

2016 Open Access

Article scientifique

Determinants of farmers' tree-planting investment decisions as a degraded landscape management strategy in the central highlands of Ethiopia

Abstract. Land degradation due to lack of sustainable land management practices is one of the critical challenges in many developing …

2016 Open Access

Article scientifique

Characterization and parameterization of aerosol cloud condensation nuclei activation under different pollution conditions

To better understand the cloud condensation nuclei (CCN) activation capacity of aerosol particles in different pollution conditions, a long-term field …

2016 Open Access

Article scientifique

Vegetation cover change detection and assessment in arid environment using multi-temporal remote sensing images and ecosystem management approach

Abstract. Vegetation cover (VC) change detection is essential for a better understanding of the interactions and interrelationships between humans and …

2016 Open Access

Article scientifique

Hydrological, chemical, and isotopic budgets of Lake Chad: a quantitative assessment of evaporation, transpiration and infiltration fluxes

Abstract. In the Sahelian belt, Lake Chad is a key water body for 13 million people, who live on its …

2016 Open Access

Article scientifique

Biosorption of hexavalent chromium from aqueous solutions by Macadamia nutshell powder

Macadamia nutshell biosorbents treated in three different activating agents [raw Macadamia nutshell powder (RMN), acid-treated Macadamia nutshell (ATMN) and base-treated …

2016 Open Access

Article scientifique

Impacts of climate change under CMIP5 RCP scenarios on the streamflow in the Dinder River and ecosystem habitats in Dinder National Park, Sudan

Abstract. The fate of seasonal river ecosystem habitats under climate change essentially depends on the changes in annual recharge of …

2016 Open Access

Article scientifique

Breeding Young as a Survival Strategy during Earth’s Greatest Mass Extinction

Studies of the effects of mass extinctions on ancient ecosystems have focused on changes in taxic diversity, morphological disparity, abundance, …

2016 Open Access

Article scientifique

Liquid phase adsorptions of Rhodamine B dye onto raw and chitosan supported mesoporous adsorbents: isotherms and kinetics studies

Irvingia gabonensis endocarp waste was charred (DNc) and subsequently coated with chitosan (CCDNc). Physicochemical characteristics of the two adsorbents were …

2016 Open Access