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Report - Alternatives to fenthion for quelea bird control
… US$79.4 million per annum at 2011 prices throughout semi-arid zones (Elliott 1989a,b). At present control is mostly by … quelea is restricted to Africa where it occurs in semi-arid areas, feeding principally on native grasses but when … of likely quelea movements into and out of cropped zone. Alternative crops may not flourish in zone, especially …
Protected Areas in East Asia: Evaluating and strengthening implementation of the CBD Programme of Work on Protected Areas and the East Asian Regional Action Plan
… highest plant biodiversity of any in the cool temperate zone, the area provides important habitat for numerous … conservation of wetland and marine ecosystems, as well as arid ecosystems. Conservation in key countries, such as … forest with the result that some areas, such as arid ecosystems, are much less effectively protected. …