Effects of rainfall variability and communal and semi-commercial grazing on land cover in southern African rangelands
OP Dube, G Pickup - Climate Research, 2001 - int-res.com
Semi-arid ecosystems in southern Africa are experiencing change due to natural variability
in rainfall and to changes in the type and intensity of land use. This paper applies grazing …
in rainfall and to changes in the type and intensity of land use. This paper applies grazing …
Wood supply and demand around two rural settlements in a semi-arid savanna, South Africa
DI Banks, NJ Griffin, CM Shackleton… - Biomass and …, 1996 - Elsevier
Data on fuelwood harvesting, construction timber requirements and the number of people in
two settlements in the Eastern Transvaal Lowveld (Athol and Welverdiend) is combined with …
two settlements in the Eastern Transvaal Lowveld (Athol and Welverdiend) is combined with …
Spatial and temporal variation in domestic biofuel consumption rates and patterns in Zimbabwe: implications for atmospheric trace gas emission
L Marufu, J Ludwig, MO Andreae, J Lelieveld… - Biomass and …, 1999 - Elsevier
An ecologically nationwide and all-year-round domestic biofuel consumption study was
conducted in Zimbabwe from January 1996 to March 1997. The study aimed at (a) …
conducted in Zimbabwe from January 1996 to March 1997. The study aimed at (a) …
Biofuel use assessments in Africa: Implications for greenhouse gas emissions and mitigation strategies
DL Kgathi, P Zhou - Environmental monitoring and assessment, 1995 - Springer
The energy balances of most African countries suggest that biofuels (woodfuel, crop and
wood residues, and dung) constitute the largest share of total energy consumption (up to …
wood residues, and dung) constitute the largest share of total energy consumption (up to …
Woody vegetation resource changes around selected settlement along aridity gradient in the Kalahari, Botswana
MBM Sekhwela - Journal of arid environments, 2003 - Elsevier
This paper investigated changes in economically important woody vegetation resources
around seven settlements located along an aridity gradient in the Kalahari. Available data at …
around seven settlements located along an aridity gradient in the Kalahari. Available data at …
Energy sector policies in Botswana and their implications for global climate change
TD Gwebu - GeoJournal, 2002 - Springer
Abstract Like most African countries, Botswana contributes almost insignificantly to global
greenhouse emissions (GHGs). In this context, some have argued that energy policy and …
greenhouse emissions (GHGs). In this context, some have argued that energy policy and …
Evaluation of welfare functions of environmental amenities: A case of forest biomass fuels in Mount Kilimanjaro, Tanzania
MH Kijazi, S Kant - Ecological Economics, 2011 - Elsevier
This study is an empirical investigation of welfare functions of forest biomass fuels in Mount
Kilimanjaro, Tanzania. The want parameter of welfare function was found to vary with …
Kilimanjaro, Tanzania. The want parameter of welfare function was found to vary with …
[图书][B] Biomass energy policy in Africa: selected case studies.
DL Kgathi, DO Hall, A Hategeka, MBM Sekhwela - 1997 - cabidigitallibrary.org
Following an introduction to the four case studies, each one is presented as a separate
chapter, by different authors. They consist of a production study in Botswana, a consumption …
chapter, by different authors. They consist of a production study in Botswana, a consumption …
An assessment of the potential of drylands in eight sub-Saharan African countries to produce bioenergy feedstocks
HK Watson, RA Diaz-Chavez - Interface Focus, 2011 - royalsocietypublishing.org
This paper synthesizes lessons learnt from research that aimed to identify land in the
dryland regions of eight sub-Saharan African study countries where bioenergy feedstocks …
dryland regions of eight sub-Saharan African study countries where bioenergy feedstocks …
The vegetation resources of Botswana's savannas: an overview
J Woods, MBM Sekhwela - South African Geographical Journal, 2003 - Taylor & Francis
The current status of the vegetation resources of Botswana's savannas is evaluated.
However, a lack of systematic data providing sufficiently detailed information on vegetation …
However, a lack of systematic data providing sufficiently detailed information on vegetation …