This study employs the gravity model of trade to examine the impact of improving the quality of a regional road infrastructure in the ECOWAS sub-region, from its current level to the level of roads in South Africa, on intra-regional trade. The study augments the traditional gravity model to ...
This study employs the gravity model of trade to examine the impact of improving the quality of a regional road infrastructure in the ECOWAS sub‐region, from its current level to the level of roads in South Africa, on intra‐regional trade. The study augments the traditional gravity model to...
Bioregional South Africa provides a range of advisory services that complement and support the One Planet Living® sustainability framework.
for use in roads, and for use in reducingsulfuremissions fromcoal-burning power plants.Phosphateshave been mined forfertilizerfrom Ordovician limestones, particularly whereweatheringhas concentrated the phosphate, as in centralTennessee. Ordovician sandstones, such as the Saint Peter Sandstone in the Mid...
Another combination of infrastructure projects including roads, railway, new port and oil refinery to connect the Indian Ocean town of Lamu in Kenya to Ethiopia and South Sudan is being constructed. "We shall look at what connects Africa, like the railway line linking several African countries for...
C. et al. The roads ahead: narratives for shared socioeconomic pathways describing world futures in the 21st century. Glob. Environ. Chang 42, 169–180 (2017). Article Google Scholar Xu, X., Zhang, Y. & Chen, Y. Projecting China’s future water footprint under the shared socio-...
On the areas in which China could develop with ASEAN, Hua said the implementation process of projects comes first. China has rich experience in cooperating with international financial institutions in building roads, sewage disposal, among other projects. ...
Africa Map Egypt Map This colorful world map depicts six continents and their countries. Cartography is the art and science of graphically depicting a geographic area, usually on a flat-surfaced map. Nations,states, andcities, as well as roads, railroads, and other man-made features, are also...
(2010) 4th SARF/IRF Regional Conference for Africa. Somerset West, South Africa. 11–13 Oct 来自 profemery.info 喜欢 0 阅读量: 19 作者:E Horak,S Emery,B Morton 摘要: Only the aspect of the runway surface requirements is discussed in this paper to maintain common ground with the roads ...
(1) natural constraints (slope, toposequence, and type of soil), (2) accessibility (Euclidean distances from roads, rivers, and villages, and traveling time to market), and (3) demography (mean population density for the 2000–2015 period and the change in population density between 2000 ...