نتایج جستجو برای: southern africa

تعداد نتایج: 224713  

2002
Rashid M. Hassan Mulugetta Mekuria Wilfred Mwangi

This report documents the impacts of international maize breeding research in eastern and southern Africa. It draws on information from a comprehensive 1998/99 survey of public and private maize breeding and seed production organizations active in the region. In many countries of eastern and southern Africa, policy reforms introduced in the 1980s and 1990s encouraged private sector participatio...

1997
Valerie Møller

AIDS: The ‘Grandmothers’ Disease’ in Southern Africa Valerie Møller In Africa, AIDS is called the grandmothers’ disease because the burden of caring for the sick and the survivors falls on older women. The two abstracts which follow report an overview of research on the social and economic effects of the HIV}AIDS epidemic in Southern Africa and a case study of an intervention among older women ...

Journal: :South African Journal of Botany 2001

Journal: :Injury Prevention 1999

Journal: :Postgraduate Medical Journal 2002

Journal: :Injury Prevention 1998

Journal: :Ufahamu: A Journal of African Studies 1974

2007
Pieter B. KOTZÉ

Geomagnetic field observations over southern Africa, including countries like South Africa, Namibia, and Botswana, were conducted during October and November 2005 as part of a collaborative project, called COMPASS (COmprehensive Magnetic Processes under the African Southern Sub-continent) between the Hermanus Magnetic Observatory (HMO) in South Africa and the GeoForschungsZentrum Potsdam (GFZ) ...

2017
Alastair van Heerden Celia Hsiao Beatrice Matafwali Julia Louw Linda Richter

BACKGROUND There is a growing global acknowledgement that improving child survival rates is no longer sufficient. Emphasis is shifting to the improvement of health and developmental trajectories in early childhood. Screening and measurement of these trajectories in low and middle income countries is difficult, however, as they currently rely on developmental tests standardised among populations...

2015
Karim Sadr Nuno Bicho

After several decades of research on the subject, we now know when the first livestock reached southern Africa but the question of how they got there remains a contentious topic. Debate centres on whether they were brought with a large migration of Khoe-speakers who originated from East Africa; or whether the livestock were traded down-the-line among hunter-gatherer communities; or indeed wheth...

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