Sciences de la Terre et de l'environnement

Article scientifique

Greenhouse Gases Emissions in Agricultural Systems and Climate Change Effects in Sub- Saharan Africa

Abstract Climate change has been viewed to result from anthropogenic human activities that have significantly altered the Nitrogen (N) cycle …

2021 Open Access

Article scientifique

Synthesis of amino acid functionalized Fe3O4 nanoparticles for adsorptive removal of Rhodamine B

Abstract L-Aspartic acid (L-Asp) functionalized magnetite nanoparticles (Fe3O4 NPs) were synthesized through a facile co-precipitation method using L-Asp as a …

2021 Open Access

Article scientifique

Dynamics of land use and land cover changes in Huluka watershed of Oromia Regional State, Ethiopia

Abstract Background Land use and land cover changes in urbanized watersheds of developing countries like Ethiopia are underpinned by the …

2021 Open Access

Article scientifique

On the robustness of an eastern boundary upwelling ecosystem exposed to multiple stressors

The resistance of an east border upwelling system was investigated using relative index of marine pelagic biomass estimates under a …

2021 Open Access

Article scientifique

Magnetic Fe3O4@Mg/Al-layered double hydroxide adsorbent for preconcentration of trace metals in water matrices

Abstract A magnetic Fe3O4@MgAl-layered double hydroxide (MLDH) nanocomposite was successfully synthesized and applied as an effective adsorbent for preconcentration of …

2021 Open Access

Article scientifique

Carriage of antimicrobial-resistant bacteria in a high-density informal settlement in Kenya is associated with environmental risk-factors

Abstract Background The relationship between antibiotic use and antimicrobial resistance varies with cultural, socio-economic, and environmental factors. We examined these …

2021 Open Access

Article scientifique

Rotatable central composite design versus artificial neural network for modeling biosorption of Cr6+ by the immobilized Pseudomonas alcaliphila NEWG-2

Abstract Heavy metals, including chromium, are associated with developed industrialization and technological processes, causing imbalanced ecosystems and severe health concerns. …

2021 Open Access

Article scientifique

Enhancing removal efficiency of anionic dye (Cibacron blue) using waste potato peels powder

Abstract In the present study, the potato peel waste (PP) was used for the removal of the anionic dye Cibacron …

2021 Open Access

Article scientifique

Coastal Upwelling Limitation by Onshore Geostrophic Flow in the Gulf of Guinea Around the Niger River Plume

Wind-driven coastal upwelling can be compensated by onshore geostrophic flow, and river plumes are associated with such flow. We investigate …

2021 Open Access

Article scientifique

Preparation and characterization of powdered and granular activated carbon from Palmae biomass for mercury removal

Abstract Two forms of activated carbon (i.e., granular and powdered forms) used to test mercury removal in solution. These activated …

2021 Open Access

Article scientifique

Fundamental policy challenges influencing sustainable development in Africa

Background: There is widespread recognition on the African continent that a coherent and integrated policy response is necessary to adequately …

2021 Open Access

Article scientifique

Association between dietary diversity with overweight and obesity: A cross-sectional study conducted among pastoralists in Monduli District in Tanzania

BACKGROUND: The prevalence of overweight and obesity is rising at a rapid pace and is associated with negative health consequences …

2021 Open Access

Article scientifique

Assessment of carbon stock potential of parkland agroforestry practice: the case of Minjar Shenkora; North Shewa, Ethiopia

Abstract Background The anthropogenic global climate change has negative impacts on various sectors and communities who particularly rely on rain-fed …

2021 Open Access

Article scientifique

Evolution of the riverine nutrient export to the Tropical Atlantic over the last 15 years: is there a link with Sargassum proliferation?

Abstract The Tropical Atlantic is facing a massive proliferation of Sargassum since 2011, with severe environmental and socioeconomic impacts. As …

2021 Open Access

Article scientifique

Assessing the ecological impacts of transportation infrastructure development: A reconnaissance study of the Standard Gauge Railway in Kenya

Transportation infrastructure, such as railways, roads and power lines, contribute to national and regional economic, social and cultural growth and …

2021 Open Access

Article scientifique

Biomass-fuelled improved cookstove intervention to prevent household air pollution in Northwest Ethiopia: a cluster randomized controlled trial

BACKGROUND: Household air pollution from biomass fuels burning in traditional cookstoves currently appeared as one of the most serious threats …

2021 Open Access

Article scientifique

A common typology for ecosystem characteristics and ecosystem condition variables

The UN System of Environmental-Economic Accounting Experimental Ecosystem Accounting (SEEA EEA) aims at regular and standardised stocktaking on the extent …

2021 Open Access

Article scientifique

Synergistic protective effect of Beta vulgaris with meso-2,3-dimercaptosuccinic acid against lead-induced neurotoxicity in male rats

Lead (Pb) toxicity is one of the most prevalent causes of human neurotoxicity. The available chelator drugs used now have …

2021 Open Access

Article scientifique

Public perception and awareness of waste management from Benin City

Poor waste management is increasingly becoming a major challenge for municipalities, globally. Unlike previous waste management studies in Nigeria, this …

2021 Open Access

Article scientifique

Ecological risk assessment of heavy metal-contaminated soils of selected villages in Zamfara State, Nigeria

Abstract The incidence of heavy metal contamination in Zamfara State, northern Nigeria, due to artisanal mining in some villages has …

2021 Open Access