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Now showing items 11-20 of 25
Epoxylignans from the seeds of Centaurea cyanus (Asteraceae)
(Elsevier Ltd. www.elsevier.com/locate/biochemsyseco, 2004)
A study focusing on Centaurea cyanus L. (family: Asteraceae alt. Compositae), otherwise known as "cornflower" or "bachelor's button. The seed is purchased from B & T World Seeds sarl, Pauguignan, 34210 Olonzac, France and ...
The influence of the Tbetta level upon fluorescence and laser properties of aromatic compounds
(Elsevier Science Ltd. www.elsevier.com/locate/saa, 2004)
The fluorescence and laser properties of seven specially chosen aromatic compounds are studied at 293 ◦C. The quantum yield of fluorescence,
γ, decay times, τf , of the deaerated and non-deaerated solutions are measured. ...
Flooding and its influence on diazotroph populations and soil nitrogen levels in the Okavango Delta
(South African Journal of Botany http://www.elsevier.com/wps/find/journaldescription.cws_home/707238/description#description, 2004)
Effects of flooding on soil nitrogen (N), and asymbiotic
nitrogen fixing bacterial (diazotroph) populations of the
Okavango Delta were investigated. Diazotrophs from
the rhizosphere of dominant annual and perennial
grasses ...
The socio-cultural impacts of tourism development in the Okavango Delta, Botswana
(Channel view publications, http://www.multilingual-matters.net/jtc/default.htm, 2004)
The objective of this article is to assess the socio-cultural impacts of tourism
development in the Okavango Delta, Botswana. This paper largely relied on the
research work and reports by the author in the Okavango Delta ...
Characterization and Compositional Studies of the Oils from Some Legume Cultivars, Phaseolus vulgaris, Grown in Southern Africa
(AOCS Press., 2004)
Seed oils from six legume cultivars of Phaseolus
vulgaris, grown in the Kingdom of Lesotho, were extracted and
their physicochemical properties and FA compositions were determined
in order to compare their dietary lipids ...
Forecasting the spatial extent of the annual flood in the Okavango delta, Botswana
(Elsevier http://www.doi:10.1016/j.jhydrol.2003.11.010, 2004)
The pristine Okavango Delta wetland of northern Botswana is potentially under threat due to water abstraction from its
tributaries. We have developed a statistical model which makes it possible to predict the extent of ...
The Karoo triple junction questioned: evidence from Jurassic and Proterozoic 40Ar/39Ar ages and geochemistry of the giant Okavango dyke swarm (Botswana)
(Elservier www.elsevier.com/locate/epsl, 2004)
The lower Jurassic Karoo–Ferrar magmatism represents one of the most important Phanerozoic continental flood basalt
(CFB) provinces. The Karoo CFB province is dominated by tholeiitic traps and apparently radiating giant ...
Vulnerability assessment of the maize and sorghum crops to climate change in Botswana
(Springer http://www.springerlink.com/content/p88867543584713, 2004)
This study examines the sensitivity of maize and sorghum crops to global warming in
Botswana, a country with arid climatic conditions and shortfalls in locally produced grain. The
vulnerability of the maize and sorghum ...
Traditional ecological knowledge and community-based natural resource management: lessons from a Botswana wildlife management area
(Elsevier http://www.linkinghub.elsevier.com/retrieve/pii/S014362280300033X, 2004)
The advent of community-based natural resource management (CBNRM) in Botswana in
the late 1980s ushered in a new paradigm in natural resource management. The strategy
marked a change from state-controlled to community-controlled ...
Integrating policy, disintegrating practice:water resources management in Botswana
(Elsevier, http://www.linkinghub.elsevier.com/retrieve/pii/S1474706504001834, 2004)
Botswana is generally regarded as an African success story. Nearly four decades of unabated economic growth, multi-party
democracy, conservative decision-making and low-levels of corruption have made Botswana the darling ...