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… role in the regulation of global climate and the general ‘health’ of our planet. Today it is thought possible that … simplest, biodiversity might consider the number of major animal types – the phyla; there are 14 phyla that occur … any other environment, of all the Earth’s currently known animal species (ca. 2 million), less than one quarter come …

… the long-term objectives are met (e.g. are plant and animal populations stable, are ecological systems functioning … plan for management to ensure survival of every animal species: managers usually consider broad habitats as … will often say something as well about the overall health of the ecosystem. Because the specific objectives for …