THE VALUE OF NATURAL ECOSYSTEMS The most important of the inherent values of natural ecosystems is that they contain within themselves creative powers, which, over large spans of time, have produced the stupendous array of biodiversity the world over. The presence of a species and the things that it can do have a powerful bearing on shaping the environment of all. Organisms help to make the world and then it makes them. Humans are among …showed first 75 words of 934 total…

…showed last 75 words of 934 total…fight fire in specified situations, and to cull bison. Hunting on public lands adjacent to the park can also be used to complement natural regulation. The challenge is to pay careful attention to the consequences of ecosystem processes while resisting the temptation to step in to "fix a problem" that may be more complex or of a different type than first appears. REFERENCES: http://www.ecospherics.net http://www.environmentalsustainability.info http://ecosystems.fws.gov/