By Antoon de Vos (auth.)
Africa isn't really referred to as one of many extra densely populated continents. but, the dangerous marks of man's actions can be obvious there dramatically. a lot of Africa's ecological zones are fragile. huge scale soil erosion, resul tant cycles of drought and flash floods, downgrading of fauna and flowers are famous to many more often than not methods, in addition to from distinctive exam of some components. yet huge components of Africa stay inaccessible. only a few scholars of Africa have the ability - or the tenacity - to commute over those monstrous parts or into the hidden corners that lie past the well known routes of Africa. As FAO's local natural world and nationwide Parks Officer for Africa, ANTooN DE Vos had the potential of traveling broadly and learning and reporting at the acceleration of synthetic adjustments in a lot of the continent. As an skilled practitioner of a massive and tough technological know-how, ecology, he has made an important expert contribution with this publication. it truly is our desire that those that learn it will likely be inspired to carryon the real paintings and the worry with this topic to which Dr. DE Vos has committed quite a bit of his wisdom, power and private commitments.
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Additional info for Africa, the Devastated Continent?: Man’s impact on the ecology of Africa
Land resources have so badly deteriorated that there is qn urgent need for soil restoration through practices such as contour terracing. Farming should 62 be done on terraces as much as possible in order to reduce soil losses and fodder tree plantings should be established for the production of animal feed. It is also possible to cultivate sown perennial pastures on terraces. Contour terracing, together with the planting of perennial grass and legume seedings on them has been remarkably well developed in certain parts of North Africa but it needs to be more widely applied.
Other fruit trees in the northern oases include almond, apricot, fig, orange and olive. Some medicinal plants are collected in the desert for export, among which henbane (Hyoscyanus muticus) is the most commonly used. It has now almost been eliminated in the wild. IRRIGATION The'discovery of large underground reservoirs of fresh water has opened up new possibilities for development. Where large enough underground water reservoirs exist to sustain irrigation, projects have been started and a very large project has been established in Libya.
Attempts are now being made to demarcate grazing lands and water reserves are being developed to extend the normal grazing periods longer into the dry season. Supplementary feed has been issued in certain areas during the dry season. Free-ranging poultry have been introduced in nearly all settlements and provide considerable amounts of protein to their owners. Modern and largescale broiler and egg units are slowly developing. The area under cereals is increasing. The need for the extension of edible grain legumes cultivation and for the improvement of productivity is enormous.
Africa, the Devastated Continent?: Man’s impact on the ecology of Africa by Antoon de Vos (auth.)