Showing 111 - 120 of 17,405
Savanna ecosystems are geographically extensive and both ecologically and economically important; they therefore require monitoring over large spatial extents. There are, in particular, large areas within southern Africa savanna ecosystems that lack consistent geospatial data on vegetation...
Persistent link: https://www.econbiz.de/10011199198
Rosetta Promontory, Egypt has been suffering from a continuous erosion problem. The dramatic retreatment was observed during the last century. It is basically due to the construction of Aswan High Dam in 1964, which reduced the flow and sediment discharges. In this paper, four Landsat images...
Persistent link: https://www.econbiz.de/10011203075
High-precision land-cover-land-use GIS mapping was performed in four major townships in Maine’s Aroostook River Valley, using on-screen digitization and direct interpretation of very high spatial resolution satellite multispectral imagery (15–60 cm) and high spatial resolution LiDAR data (2...
Persistent link: https://www.econbiz.de/10011206948
Pollination is a key ecosystem service as many crops but in particular, fruits and vegetables are partially dependent on pollinating insects to produce food for human consumption. Here we assessed how pollination services are delivered at the European scale. We used this assessment to estimate...
Persistent link: https://www.econbiz.de/10010692408
Ulaanbaatar, the capital of Mongolia, has expanded rapidly over the past decade. Insufficient authority is in place to address this expansion, and many residential plots have been developed in the peripheral regions of the city. The aim of this study is to estimate changes in land cover within...
Persistent link: https://www.econbiz.de/10010699856
The paper analyzes land use changes, notably cropland expansion, in SE-Niger from the mid-1980s to 2011. It scrutinizes land use trajectories and investigates how cultivation shifts between dune landscapes and valleys (bas-fonds) in response to climate, population pressure, and sociocultural...
Persistent link: https://www.econbiz.de/10010700283
We present an analysis of the impacts of weather change and large-scale vegetation conservation programs on the vegetation dynamics in China’s Loess Plateau from 2000 through 2009. We employed a multiple lines of evidence approach in which multi-scale data were used. We employed Normalized...
Persistent link: https://www.econbiz.de/10010700985
The terms governing land investments can shape whether host countries and local communities benefit from investment projects. Yet host governments in low- and middle-income countries often lack sufficient legal and technical capacity to prepare for, negotiate, implement, and monitor investments,...
Persistent link: https://www.econbiz.de/10013217728
Persistent link: https://www.econbiz.de/10012848836
An article about the directions and priorities of the regional policy of the state to regulate the regional water consumption in the Omsk region. The authors analyze the situation with the water consumption in China, Kazakhstan and the Russian Federation, as well as alternative ways of solving...
Persistent link: https://www.econbiz.de/10011113529