Sciences de la Terre et de l'environnement

Article scientifique

Assessment of geotechnical and physico-chemical properties of age-long greywater-contaminated soils in basement complex areas, southwest Nigeria

Abstract Bathroom-rich greywater coming directly in contact with virgin soil for years contaminates soil and alters its properties. The degree …

2020 Open Access

Article scientifique

Structured Approach for Comparison of Treatment Options for Nutrient-Recovery From Fecal Sludge

The aim of this study is to present a structured approach for comparing possible nutrient-recovery fecal sludge (FS) treatment systems …

2020 Open Access

Article scientifique

Evaluation of soil moisture from CCAM-CABLE simulation, satellite-based models estimates and satellite observations: a case study of Skukuza and Malopeni flux towers

Abstract. Reliable estimates of daily, monthly and seasonal soil moisture are useful in a variety of disciplines. The availability of …

2020 Open Access

Article scientifique

Abundance, density, and social structure of African forest elephants (Loxodonta cyclotis) in a human-modified landscape in southwestern Gabon

Population monitoring is critical to effective conservation, but forest living taxa can be difficult to directly observe. This has been …

2020 Open Access

Article scientifique

Marine Microbial Community Composition During the Upwelling Season in the Southern Benguela

The microbial communities of the southern Benguela upwelling region were sampled quarterly through one year, with sampling for prokaryotes taking …

2020 Open Access

Article scientifique

Expected spatial patterns of alien woody plants in South Africa’s protected areas under current scenario of climate change

Although protected areas (PAs) are declared to provide sanctuaries for biodiversity, they are increasingly threatened by the synergistic effects of …

2020 Open Access

Article scientifique

Chronic respiratory symptoms and pulmonary function status in Ethiopian agricultural workers: a comparative study

Abstract Background Work-related respiratory disorders are major contributors to the global burden of respiratory diseases. Agricultural workers are exposed to …

2020 Open Access

Article scientifique

Geohydraulic study of aquifer characteristics in parts of Enugu North Local Government Area of Enugu State using electrical resistivity soundings

Abstract Geophysical survey employing vertical electrical sounding (VES) was achieved in Enugu State College of Education (Technical). Schlumberger electrode configuration …

2020 Open Access

Article scientifique

Beach adaptation to intraseasonal sea level changes

Abstract Coastal areas such as beaches with steep upper slope and flat low-tide terrace, are expected to be increasingly affected …

2020 Open Access

Article scientifique

Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo)

BACKGROUND: Monogenea van Beneden, 1858 is a group of parasitic flatworms, commonly found infecting bony fish. Several genera, such as …

2020 Open Access

Article scientifique

Salinity and water effect on electrical properties of fragile clayey sandstone

Abstract There are enormous variations in the electrical characteristics of rocks and minerals according to many factors. Electrical measurements were …

2020 Open Access

Article scientifique

Conserved in-ovo cranial ossification sequences of extant saurians allow estimation of embryonic dinosaur developmental stages

Dinosaur embryos are among the rarest of fossils, yet they provide a unique window into the palaeobiology of these animals. …

2020 Open Access

Article scientifique

Seasonal source variability of carbonaceous aerosols at the Rwanda Climate Observatory

Abstract. Sub-Saharan Africa (SSA) is a global hot spot for aerosol emissions, which affect the regional climate and air quality. …

2020 Open Access

Article scientifique

Groundwater NO3 concentration and its potential health effects in Beni Moussa perimeter (Tadla plain, Morocco)

Abstract In this research, the concentrations of nitrates were investigated in well water sampled from the irrigated perimeter of Beni …

2020 Open Access

Article scientifique

Monitoring the silver carp invasion in Africa: a case study using environmental DNA (eDNA) in dangerous watersheds

Biodiverse habitats are increasingly subject to an intensification of anthropogenic stressors that may severely diminish species richness. Invasive species pose …

2020 Open Access

Article scientifique

Dynamics of nutrient and phytoplankton in Epe Lagoon, Nigeria: possible causes and consequences of reoccurring cyanobacterial blooms

Abstract The impact of environmental variables and processes of nutrient enrichment on phytoplankton community at Epe lagoon was studied for …

2020 Open Access

Article scientifique

Toxicology of Heavy Metals to Subsurface Lithofacies and Drillers during Drilling of Hydrocarbon Wells

Abstract This study investigates the toxicological effects of heavy metals on lithofacies of the subsurface in a drilled hydrocarbon well …

2020 Open Access

Article scientifique

Perceived socio-economic impacts of the marbled crayfish invasion in Madagascar

The negative environmental and economic impacts of many invasive species are well known. However, given the increased homogenization of global …

2020 Open Access

Article scientifique

Enhancing clean cooking options in peri-urban Kenya: a pilot study of advanced gasifier stove adoption

Abstract Kenya has experienced a decade of relative prosperity with consistent economic growth and minimal political tension. GDP is growing …

2020 Open Access

Article scientifique

Intensification of the hydrological cycle expected in West Africa over the 21st century

Abstract. This study uses the high-resolution outputs of the recent CORDEX-Africa climate projections to investigate the future changes in different …

2020 Open Access