Africa, المجلد 66،الأعداد 1-2Oxford University Press, 1996 Includes Proceedings of the Executive council and List of members, also section "Review of books". |
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الصفحة 1
... example ) are encountered when exploring little - known habitats ( when , for example , the crowns of rain forest trees are fogged with insecticide ) . Predictions about variations in species richness can also be made on the basis of ...
... example ) are encountered when exploring little - known habitats ( when , for example , the crowns of rain forest trees are fogged with insecticide ) . Predictions about variations in species richness can also be made on the basis of ...
الصفحة 38
... example , the dryer portions of the African continent , including savannas , are subject to large rainfall fluctuations and sustained droughts , from one year to the next . Climatic data collected over the last decade reveal that most ...
... example , the dryer portions of the African continent , including savannas , are subject to large rainfall fluctuations and sustained droughts , from one year to the next . Climatic data collected over the last decade reveal that most ...
الصفحة 137
... example involved a 1.58 m diameter buttressed emergent Antiaris africana in a watershed forest around a village spring , the only perennial water source for the plateau town . Two men worked five days each in building a scaffold above ...
... example involved a 1.58 m diameter buttressed emergent Antiaris africana in a watershed forest around a village spring , the only perennial water source for the plateau town . Two men worked five days each in building a scaffold above ...
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activities administration African agricultural Akan argued authority become biodiversity Cambridge cent century chiefs Christian colonial communities concept conservation context continued created crop cult cultivation culture disease District diversity early ecology economic effects environment environmental example fact farmers farming field forest forms Ghana groups household human important increase indigenous Institute interest International interpretation knowledge labour land less lives LoDagaa London major means missionaries nature northern noted original particular past patterns period plant political population position possible practices present problems production question recent refer region relations religious remained result rice savanna season Sierra Leone slave social society species spirit structure suggest traditional trees tumbura University Press vegetation village West women World