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Growth, Development and Life Cycle of Icerya pattersoni (Newstead) (Homoptera: Margarodidae), a Coffee Pest in Kenya
(University of Nairobi, 1988-02)
Experiments carried out in a coffee plantation to determine the developmental period of Icerya paltersoni (Newst.) showed that the female and male scales lasted 157 and 129 days on average, respectively. The different ...
Observations on the transmission of schistosoma haematobium and schistosoma bovis in the lake region of Tanganyika.
(University of Nairobi., 1964)
Previous investigations have shown that in the Lake Region of Sukumaland, Tanganyika, where Schistosoma haematobium is highly endemic, Bulinus (Physopsis) nasutus is responsible for the transmission of that schistosome in ...
Potential of Bacillus thuringiensis var israelensis for mosquito malaria vector control in Kenya.
(University of Nairobi, 1989)
The main vectors of malaria in Kenya are Anopheles arabiensis, An. gambiae and An.
funestus. In the Mwea Rice Irrigation Scheme of Central Kenya, Art arabiensis is the
principal vector, accounting for over 83% of the ...
Beyond the vertical? Using value chains and governance as a framework to analyse private standards initiatives in Agri-food chains
(University of Nairobi, 2011-09)
The significance of private standards and associated local level initiatives in agri-food value chains are increasingly recognized. However whilst issues related to compliance and impact at the smallholder or worker level ...
On A-Commuting Operators
(2012)
Two bounded linear operators A and B on a complex Hilbert space are said to ,1.-
commute for ,lEe provided that: AB = ABA. In this paper we look for some properties
satisfied by the operators A and B so that ,1.= 1. It ...
Promoting mathematics in Africa through the African Mathematics Millennium Science Initiative (AMMSI)
(Uppsala University and the authors, 2011)
The African Mathematics Millennium Science Initiative (AMMSI)
is a distributed network of mathematics research, training and promotion
throughout sub-Saharan Africa. The main objectives of AMMSI include
strengthening ...
A corpus-based survey of four electronic swahili–english bilingual dictionaries
(2009)
In this article we survey four different electronic bilingual dictionaries for the lan-guage pair Swahili–English. Aided by a data-driven morphological analyzer and part-of-speech tagger, we quantify the coverage of the ...
Journal of Oceanography and Marine Science
(2010)
The coastal and marine environments of the African region are uniquely situated to support a
variety of activities and to serve diverse human needs for food, transport, and recreation. The
pressures from growing populations ...