Drastic problems require difficult solutions, and the controlled exploitation of a valued resource may end up key to its preservation. "In vertebrate terms, it's most analogous to big game hunting in Africa," Dr. Parsons points out. "In the face of overwhelming odds against its survival, the butterfly's conservation has now become a simple case of 'Use it or lose it.'"
Different Plans Suit Different Places
Some ways of protecting wildlife, such as protective legislation and setting land aside for nature preserves, work well in developed countries. There, for example, irresponsible commercial collectors who catch large numbers of threatened species face serious legal consequences.