By Henry N. Houérou

ISBN-10: 3540851917

ISBN-13: 9783540851912

ISBN-10: 3540851925

ISBN-13: 9783540851929

Masking a space of over a hundred thirty million km2 spanning the Mediterranean, equator and tropics, the African continent incorporates a extraordinary geographic range. for this reason, it really is characterized by way of tremendous variable climatic, edaphic and ecological stipulations, linked to quite a lot of normal crops and natural world, in addition to human inhabitants density, vegetation and cattle. during this e-book, Henry Le Hou?rou offers his bioclimatic and biogeographic type of Africa. The vast info give you the foundation for comparisons among quite a few African areas, and with areas on different continents equivalent to Latin the USA or the Indian subcontinent. the implications represent a rational foundation for nationwide, local and sub-regional rural improvement making plans, and for agricultural learn facing features corresponding to plant and animal introductions, the extrapolation or interpolation of experimental or developmental findings, and ecosystems dynamics. attainable difficulties of functions also are tested.

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4 N N N N N E E E E E E N N N N N N N N N N N N N N N N N N E Morus mesozygia Mitragyna ciliata Nesogordonia papaverifolia Ochroma lagopus Ongokea gare Pinus carribea Pinus hundurensis Pinus elliottii Pinus kesiya Pinus merkusiana Pinus oocarpa Piptadeniastrnm africanum Pterocarpus soyauxii Pterygota macrocarpa Podocarpus gracilior Podocarpus milanjianus Staudtia stipitata Swetenia macrophylla Tighemella heckelii Terminalia ivorensis Terminalia macroptera Terminalia superba Paraberlinia bifoliata Pericopsis elata Pycnanthus angolensis Ravensara crassifolia Sclerocarya sylvatica Sygygium guineense Terretia utilis Tectona grandis Variability and Dependability of Annual Rainfall As in most parts of the world, rainfall variability in Africa is inversely related to the mean.

0 °C ETo = 1,543 mm f Lagos (Nigeria) Hyper-humid equatorial agro-bioclimate Guinean ecological zone, with very warm winters Lat. 6°27′N P = 1,732 mm 2t = 626 mm Rainy seasons = 315 days Long. 35 ETo = 478 mm P/ETo = 127% Elev. 0 °C ETo = 1,367 mm g Yaoundé (Cameroon) Hyper-humid equatorial agro-bioclimate Guinean ecological zone, with very warm winters Lat. 3°50′N P = 1,684 mm 2t = 562 mm Rainy seasons = 335 days Long. 35 ETo = 434 mm P/ETo = 135% Elev. 0 °C ETo = 1,240 mm h Kinshasa (Zaire) Humid equatorial agro-bioclimate Guinean ecological zone, with very warm winters Lat.

0 °C ETo = 1,311 mm d Gaborone (Botswana) Semi-arid tropical highland agro-bioclimate with temperate winters Lat. 24°40′S P = 520 mm 2t = 480 mm Long. 35 ETo = 461 mm Elev. e. as much as 3 times the rain-gauge precipitation, with no month recording less than 311 mm. Along the west coast of southern Africa, radiation and advection fog is formed when warm inshore surface water mixes with the upwelled cold water of the Benguela current. Nagel (1962) cites an average of 121 days of fog per annum for Swakopmund, with a recording of some 130 mm of water.

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Bioclimatology and Biogeography of Africa by Henry N. Houérou

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