搜索结果: 1-15 共查到“West Africa”相关记录59条 . 查询时间(0.084 秒)
Biodiversity Conservation of National Parks and Nature-Protected Areas in West Africa: The Case of Kainji National Park, Nigeria
carbon storage and sequestration climate change habitat diversity Kainji National Park protected areas air quality
2023/11/20
Due to rising global warming and climate change, biodiversity protection has become a critical ecological concern. Rich biodiversity zones are under threat and are deteriorating, necessitating nationa...
When encountering uniformed personnel in West Africa, as an inexper- ienced observer, they all appear alike and their scope of duty is obscure: sol- diers, gendarmes, police officers, firemen, customs...
1979-1999 satellite total ozone column measurements over West Africa
ozone aerosol lidar satellite QBO
2015/9/28
Total Ozone Mapping Spectrometer (TOMS) instruments have been flown on NASA/GSFC satellites for over 20 years. They provide near real-time ozone data for Atmospheric Science Research. As part of preli...
Evaluation of soil thermal diffusivity algorithms at two equatorial sites in West Africa
Thermal diffusivity Soil temperature Soil moisture content West Africa
2015/8/18
This study presents comparisons between six algorithms used in the calculation of apparent thermal diffusivity (Kh) of the topsoil during measurement campaigns conducted at two equatorial sites. It fu...
Computer assisted cartography :a powerful tool for sustainable management of natural resources :Case Study of N ’Tentoukoro area.Mali.West Africa
Biomass mapping sustainability user requirements
2015/2/3
In Mali, like in many sahelian contries, ever-increasing livestock and human population are intensifying the demand for grazing and agricultural lands around cities. Fire wood requirements have also i...
Visualization of the rangeland resources from space: A case of Sahel Region, West Africa
Sahel remote sensing rangeland overgrazing environmental degradation
2014/11/26
This study uses Landsat data and Tasseled Cap Transformation green vegetation index (GVI)
technique to assess the condition of rangeland resources in the Sahel region of West Africa.
Three represe...
Estimating Trends in the Total Fertility Rate with Uncertainty Using Imperfect Data: Examples from West Africa
Bayesian inference Demographic and Health Survey local smoother retrospective surveys United Nations variable selection weighted likelihood bootstrap
2014/11/20
Background: Estimating the total fertility rate is challenging for many developing countries because of limited data and varying data quality. A standardized, reproducible approach to produce estimate...
Researchers shocked to discover just 250 lions surviving in West Africa（图）
lions extinction
2014/7/9
The African lion faces extinction across the entire West African region, according to a new report.
Reinventing the Wheel: The Economic Benefits of Wheeled Transportation in Early British Colonial West Africa
Reinventing the Wheel Economic Benefits Wheeled Transportation Early British Colonial West Africa
2013/11/27
One of the great puzzles of Sub-Saharan African economic history is that wheeled transportation was barely used prior to the colonial period. Instead, head porterage was the main method of transportat...
Structural Organization and Tectono-Metamorphic Evolution of the Pan-African Suture Zone: Case of the Kabye and Kpaza Massifs in the Dahomeyide Orogen in Northern Togo (West Africa)
Togo Pan-African Dahomeyide Suture Zone Microstructures
2013/3/11
The Kabye and Kpaza Massifs correspond to two main granulitic suites in the suture zone of the Pan-African Dahomeyide orogenic belt, in northern Togo. The Kabye Massif is composed of an important west...
Characterization of Health and Environmental Risks of Pesticide Use in Market-Gardening in the Rural City of Tori-Bossito in Benin, West Africa
Vegetable Pesticide Residues Bio-Indicator Risk Index Environment Health
2013/3/11
A study on the use of pesticides in market-gardening production was carried out on 108 market-gardeners in the rural city of Tori-Bossito in Southern Benin. The objective of the study was to character...
Geomechanical Characterization of Sandstones Cliffs of Segou (Senegal, West Africa) in the Madina Kouta Basin
Unconfined Compression Test-Uniaxial Compression Strength (UCT, Rc)
2013/3/7
This work presents the behavior of Segou sandstones in the laboratory and in the field conditions. Four types of sandstone are collected in the northern part of the Madina Kouta basin (eastern Senegal...
Structural Evolution of a Precambrian Segment: Example of the Paleoproterozoic Formations of the Mako Belt (Eastern Senegal, West Africa)
Kedougou Kenieba Inlier Paleoproterozoic Transpression
2013/3/7
The western part of the Kedougou Kenieba Inlier is located in the West African Craton. It consists of paleoproterozoic NE-trending elongate belts (subprovinces) of metavolcanic and granitic rocks that...
High Blood Pressure and Its Correlates among Assistant Physical Education Teachers in Republic of Benin (West Africa)
High Blood Pressure Physical Education Teacher Cardiovascular Disease Inactivity
2013/1/31
Objective: This cross-sectional study carried out in Republic of Benin, aimed at assessing the relation between high blood pressure (HBP) and its correlates in an exhaustive sample of 123 Assistant ph...
Resilient Modulus of Unbound Aggregate Base Courses from Senegal (West Africa)
Resilient Modulus Summary Resilient Modulus Quartzite Basalt Bandia Limestone Un-bound Aggregates
2013/1/31
This paper presents the results of research conducted to investigate the Resilient Modulus (Mr) of unbound aggregates used as pavement layer in Senegal (West Africa) as well as the effect of water con...