By Jürgen Runge
This 30st jubilee quantity (2010) of "Palaeoecology of Africa" appears to be like again and displays the "state of the artwork" of what's truly identified on former African climates and ecosystems within the layout of evaluate articles authored through experts within the box. New learn articles on weather and atmosphere dynamics in addition to utilized subject matters on geomorphic dangers and destiny environmental traits in Africa are included.
This ebook can be of curiosity to all interested in ecosystems dynamics, tropical forests, savannahs, deserts and comparable improvement difficulties of 3rd global nations, particularly ecologists, botanists, earth scientists (e.g. Quaternary and up to date weather change), neighborhood planners. it is going to even be worthy for complicated undergraduates and postgraduates as a reference for overview and evaluate articles in addition to a resource of data for brand spanking new unique manuscripts and stories at the cutting-edge of long-term and Quaternary and Holocene panorama evolution esp. in subsaharan Africa. Palaeobotanists, Palynologists and Quaternarists will both locate this version priceless for his or her work.
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Extra info for African palaeoenvironments and geomorphic landscape evolution
The pre-Holocene vegetation in the Bale Mountains was sparse and consisted mainly of grasses, Amaranthaceae, Chenopodiaceae and Artemisia, indicating an arid climate. The first start Figure 2. Recent palaeoclimatic interpretations for Ethiopia. Thick lines: relatively moist; thin dashed lines: relatively arid; Question marks: uncertainty about extent in time; grey belt to the left: generally accepted LGM-arid conditions; grey belt to the right: often considered as late-Holocene climatic aridification.
The role of prehistoric man in the environmental history of Tigray has been summarized by Bard et al. (2000) as follows: (1) the plateau experienced a more humid climate with a denser vegetation cover during the Early Holocene; (2) soil erosion due to vegetation clearing began in the Middle Holocene; (3) agricultural activity was intensified in the Late Holocene, as a consequence of the rise of a state; (4) demographic pressure increased from the early first millennium BC to the mid-first millennium AD, causing soil erosion; (5) environmental degradation and demographic decline occurred in the late first millennium AD; (6) the vegetation cover was regenerated in the early second millennium AD; and (7) progressive vegetation clearance started again in the second half of the second millennium AD.
1996, A review of tufa and travertine deposits of the world. Earth Science Reviews, 41, pp. 117–175. , 1980, Geology of the Adigrad Area. Ministry of Mines, Energy and Water Resources, Geological Survey of Ethiopia, Addis Ababa. 51 p. M. , 1996, Amazonian Deforestation and Climate (Chichester: Wiley). A. , 1993, The late-Holocene tufa decline in Europe. The Holocene, 3, pp. 181–186. , 1989, Late Quaternary of Simen and other mountains in Ethiopia. In Quaternary and Environmental Research on East African Mountains, edited by Mahaney, W.
African palaeoenvironments and geomorphic landscape evolution by Jürgen Runge