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Virginia Tech researchers explore causes of land cover change in African savannas（图）
Virginia Tech researchers land cover change African savannas
2017/11/23
A new study by Virginia Tech researchers tracks land cover changes in the Chobe district of Northern Botswana and provides information that will allow governments and nonprofit organizations to improv...
Land cover change in Botswana savannas:Don't blame the elephants（图）
Land cover change Botswana savannas Don't blame the elephants
2017/11/23
Why are drylands changing in the Chobe district of Northern Botswana? A new study tracks differences in the savanna there across 30 years, and provides information that will allow governments and non-...
BIOMASS ESTIMATIONS AND CARBON STOCK CALCULATIONS IN THE OIL PALM PLANTATIONS OF AFRICAN DERIVED SAVANNAS USING IKONOS DATA
Biomass carbon inventory model west African oil palm derived the savanna images palm biomass rod model
2015/5/13
The primary goal of this research was to develop biomass models and to calculate carbon stock levels
of the West African oil palms (Elaeis guineensis) using multi-date IKONOS images. The study was
...
GIS for Sustainable Development at Local Scales: Applications in the Rural Hillsides, Savannas and Forest Margins of Latin America
GIS Sustainable Development Local Scales Rural Hillsides Savannas Forest Regions Latin America
2015/1/23
Resource poor regions in developing countries have yet to make the most of the benefits of the geographic information revolution. This report presents results of recent work at the International Cente...
Australia’s tropical mammals are in trouble, with a quarter of species suffering serious decline since 1970, and the devastation evident in iconic areas such as Kakadu National Park.
OPTICAL AND SAR IMAGERY FOR MAPPING VEGETATION GRADIENTS INBRAZILIAN SAVANNAS: SYNERGY BETWEEN PIXEL-BASED AND OBJECT-BASED APPROACHES
Indeterminate boundaries SegSAR CART ALOS-PALSAR Landsat-TM Cerrado Biome
2014/6/12
The objectives of this study were (a) to evaluate the suitability of SAR imagery for discriminating savanna physiognomies, (b) to combine SAR and optical imagery for achieving improved accurac...
Atmospheric nitrogen budget in Sahelian dry savannas
Atmospheric nitrogen budget Sahelian dry savannas
2010/8/12
This study uses original and unique data from remote and hardly-ever-explored regions.The monthly evolution of oxidized N compounds shows that emission and deposition increase at the beginning of the ...
Fractal scaling of soil particles in agricultural landscapes of Nigerian savannas
soil profile particle size distribution fractal
2008/11/18
Fractal dimensions, D, for soil profiles in the
derived and southern Guinea savanna zones of Nigeria were
calculated using particle size distribution data. The D values
increased with soil depth be...
Soil Degradation in the Sudano-guinea Savannas of Mbe, Cameroon: Farmers’ Perception, Indicators and Soil Fertility Management Strategies
Soil fertility farmer indicators management savannas of Mbe Adamawa Cameroon
2010/11/10
A survey was carried out in the humid savannas of Mbe to assess farmers’ indigenous
knowledge of soil fertility, their indicators and management strategies of natural resource. A sample of 174 househ...
澳大利亚热带大草原合作研究中心（Tropical Savannas CRC）
澳大利亚热带大草原合作研究中心 热带大草原 景观生态学 自然资源管理 Tropical Savannas Landscape ecology
2007/12/26
澳大利亚热带大草原合作研究中心将采用最新科学的研究来支撑对热带大草原的管理和保护及可持续发展。读取关于我们在区域植物和动物及陆地管理上的议题的研究, 比如：可持续发展的工业、火、杂草、水、植物和气候。研究主题包括：大草原生态系统生态学；自然资源管理；生物多样性保护；地方种类和栖息地的保护和恢复。