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… Protected areas now cover over 10 per cent of the world’s land surface and are increasing rapidly in marine areas as … managed. Unfortunately, the commitment to setting aside land and water has yet to be always matched with similar … as regards other habitats, including traditional agricultural lands. Efforts are however being made to …

… unproductive areas of the tropical ocean, distant from land, and greatest abundances are found in the coastal … separated. Deep-sea trenches are also often close to land where the wastes are created, such as mining tailings. … Important colonies of seabirds have been identified on land. It is far more difficult to ascertain the distribution …