And perhaps even these become impossible to preserve due to the accelerating pace of man-made ecological changes.

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In coordination with the Regional Bureau for Sciences in Nairobi and the Man and Biosphere (MAB) Secretariat at Headquarters, implement the ecological sciences programme, including support to the World Network of Biosphere Reserves through assistance to the cluster countries for the application of the Seville strategy and Madrid Plan of Action.

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Though foxes are of recent introduction in Australia (having been brought for sport by British settlers), many marsupial predators, now extinct, were present before the arrival of man in both his Aboriginal and his European forms, so the ecological system of plants, herbivores and carnivores in the eucalyptus forests would probably not have been that different in the evolutionary past.

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