Sciences de la Terre et de l'environnement

Article scientifique

Individual tree basal area equation for a young Tectona Grandis (Teak) plantation in Choba, Port Harcourt, Rivers State, Nigeria

An individual Tree Basal Area Equation was developed for a Young Tectona grandis plantation of the Department of Forestry and …

2018 Open Access

Article scientifique

Africa–Europe Collaborations for Climate Change Research and Innovation: What Difference Have They Made?

This chapter critically assesses Africa–Europe collaborations on climate change research and innovation. Its authors argue that the complexity of research …

2018 Open Access

Article scientifique

Influence of atmospheric circulation patterns on dust transport during Harmattan Period in West Africa

This study has used TOMS AI as well as the reanalysis dataset of thirty-four years (1979-2012) to investigate the influence …

2018 Open Access

Article scientifique

Physico-Chemical and Genotoxicity Assessments of Palm Oil Mill Effluent Generated by a Corporate Refinery In Nigeria

The rising global demand for palm oil and its associated products has led to increased numbers of palm oil refineries …

2018 Open Access

Article scientifique

Wolfberry tree dual-model detection method and orchard target-oriented fertilization system based on photoelectric sensors

Orchard target-oriented fertilizing with on-board sensor technology can improve fertilizer efficiency and reduce environmental pollution. Photoelectric sensors are widely used …

2018 Open Access

Article scientifique

Healthy Fisheries Sustain Society and Ecology in Burkina Faso

Burkina Faso (BF) is a Sahelian country located in West Africa on the arid southern rim of the Sahara. In …

2018 Open Access

Article scientifique

Does objective cluster analysis serve as a useful precursor to seasonal precipitation prediction at local scale? Application to western Ethiopia

Abstract. Prediction of seasonal precipitation can provide actionable information to guide management of various sectoral activities. For instance, it is …

2018 Open Access

Article scientifique

Impacts of integrated soil and water conservation programs on vegetation regeneration and productivity as indicator of ecosystem health in Guna-Tana watershed: evidences from satellite imagery

Northern Ethiopian Highlands, including Guna-Tana watershed, have experienced profound natural resources degradation which are resulted from coupled natural and anthropogenic …

2018 Open Access

Article scientifique

Climate change, cattle, and the challenge of sustainability in a telecoupled system in Africa

Easter, T. S., A. K. Killion, and N. H. Carter. 2018. Climate change, cattle, and the challenge of sustainability in …

2018 Open Access

Article scientifique

Antibiotic susceptibilities of indicator bacteria Escherichia coli and Enterococci spp. isolated from ducks in Morogoro Municipality, Tanzania

OBJECTIVE: To estimate the prevalence of antibiotic resistance in indicator bacteria Escherichia coli and Enterococci isolated from duck faeces in …

2018 Open Access

Article scientifique

Developmental and reproductive performance of a specialist herbivore depend on seasonality of, and light conditions experienced by, the host plant

Host plant phenology (as influenced by seasonality) and light-mediated changes in the phenotypic and phytochemical properties of leaves have been …

2018 Open Access

Article scientifique

Preparation and Evaluation of Adsorbents from Coal and Irvingia gabonensis Seed Shell for the Removal of Cd(II) and Pb(II) Ions from Aqueous Solutions

The adsorption of Cd(II) and Pb(II) ions on adsorbents prepared from sub-bituminous coal, lignite and a blend of coal and …

2018 Open Access

Article scientifique

Large-Scale Dust Event in East Asia in May 2017: Dust Emission and Transport from Multiple Source Regions

A large-scale dust event occurred in East Asia during early May 2017, and transported dust was measured all over Japan. …

2018 Open Access

Article scientifique

Qualitative analysis and sensitivity based optimal control of pine wilt disease

We design a deterministic model of pine wilt affliction to analyze the transmission dynamics. We obtain the reproduction number in …

2018 Open Access

Article scientifique

Unusually warm Indian Ocean sea surface temperatures help to arrest development of El Niño in 2014

In early 2014, strong westerly wind bursts (WWBs) and high heat content in the equatorial Pacific favored development of a …

2018 Open Access

Article scientifique

Transformative change through Payments for Ecosystem Services (PES): a conceptual framework and application to conservation agriculture in Malawi

Non-technical summary A major challenge in addressing the loss of benefits and services provided by the natural environment is that …

2018 Open Access

Article scientifique

The genome of a prasinoviruses-related freshwater virus reveals unusual diversity of phycodnaviruses

BACKGROUND: Phycodnaviruses are widespread algae-infecting large dsDNA viruses and presently contain six genera: Chlorovirus, Prasinovirus, Prymnesiovirus, Phaeovirus, Coccolithovirus and Raphidovirus. …

2018 Open Access

Article scientifique

Knowledge, attitudes and beliefs about the health hazards of biomass smoke exposure amongst commercial food vendors in Nigeria

BACKGROUND: Exposure to biomass smoke is a major cause of morbidity and mortality in Africa. Commercial food vendors in Nigeria …

2018 Open Access

Article scientifique

Exploring Viral Diversity in a Unique South African Soil Habitat

The Kogelberg Biosphere Reserve in the Cape Floral Kingdom in South Africa is known for its unique plant biodiversity. The …

2018 Open Access

Article scientifique

Population structure of giraffes is affected by management in the Great Rift Valley, Kenya

Giraffe populations in East Africa have declined in the past thirty years yet there has been limited research on this …

2018 Open Access