African past
نویسندگان
چکیده
منابع مشابه
African rainforests: past, present and future
The rainforests are the great green heart of Africa, and present a unique combination of ecological, climatic and human interactions. In this synthesis paper, we review the past and present state processes of change in African rainforests, and explore the challenges and opportunities for maintaining a viable future for these biomes. We draw in particular on the insights and new analyses emergin...
متن کاملAn African Heritage Database the Virtual Preservation of Africa’s Past
Many of the important African heritage sites are not well known, in a bad state of repair and poorly documented. Very few are declared World Heritage Sites and even some of those under UNESCO protection are poorly maintained, such as the WHS of Kilwa Kisiwani and Songo Mnara in Tanzania. The population of Africa is largely unaware of the significance of these sites and generally not in a positi...
متن کاملEastern South African hydroclimate over the past 270,000 years
Processes that control the hydrological balance in eastern South Africa on orbital to millennial timescales remain poorly understood because proxy records documenting its variability at high resolution are scarce. In this work, we present a detailed 270,000 year-long record of terrestrial climate variability in the KwaZulu-Natal province based on elemental ratios of Fe/K from the southwest Indi...
متن کاملMalaria in the African highlands: past, present and future.
Many of the first European settlers in Africa sought refuge from the heat and diseases of the plains by moving to the cool and salubrious highlands. Although many of the highlands were originally malaria free, there has been a progressive rise in the incidence of the disease over the last 50 years, largely as a consequence of agroforestry development, and it has been exacerbated by scarce healt...
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ژورنال
عنوان ژورنال: Nature
سال: 1985
ISSN: 0028-0836,1476-4687
DOI: 10.1038/313608b0