Browsing by Author "Ngwenya, Barbara"
Now showing items 1-3 of 3
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Determination of potentially toxic heavy metals in traditionally used medicinal plants for HIV/AIDS opportunistic infections in Ngamiland District in Northern Botswana
Ngwenya, Barbara; Raletamo, Keleabetswe M.; Marobela, Kerstin Andrae (Elsevier, www.elsevier.com/locate/aca, 2011-12-08)The determination of four potentially toxic heavy metals, arsenic, chromium, lead and nickel in twelve plant species used for the treatment of perceived HIV and AIDS-associated opportunistic infections by traditional ... -
Ethno-meteorology and scientific weather forecasting: small farmers and scientists’ perspectives on climate variability in the Okavango Delta, Botswana
Kolawole, Oluwatoyin D.; Wolski, Piotr; Ngwenya, Barbara; Mmopelwa, Gagoitseope (Elsevier, http://www.elsevier.com/, 2014-09-03)Recent trends in abrupt weather changes continue to pose a challenge to agricultural production most especially in sub-Saharan Africa. The paper specifically addresses the questions on how local farmers read and predict ... -
Responding to climate change through joint partnership: insights from the Okavango Delta in Botswana
Kolawole, Oluwatoyin Dare; Wolski, Piotr; Ngwenya, Barbara; Mmopelwa, Gagoitseope; Olekae, Thakadu (Emerald, www.emeraldinsight.com, 2014)Purpose: Climate change continues to pose a serious challenge to mankind. Given their socio-economic and vulnerable situations, resource-poor farmers will be hard hit and likely to be the most affected group in Africa – ...