The Conservation Of National Park Rangers Essay

1212 Words Nov 27th, 2016 5 Pages
National Park Rangers have incredibly important jobs when it comes to the health of an environment. Park Rangers have the ability to cause considerable change to an environment in a positive or negative way. The role of the national park ranger is to “protect, conserve, and to provide for the enjoyment of our nation 's heritage” (Maciha). National Park Rangers know better than anyone that the most basic of changes can cause an environment, or more specifically an ecosystem to crumble. The most important member of an ecosystem is a keystone species because of their influence on all of the other organisms. An example of a keystone species is the gray wolf in Yellowstone National Park.
A brief history on the gray wolves of Yellowstone is that in the wolves had been essentially exterminated from hunting throughout the majority of the 1900’s. Research conducted by L, David Mech, wolf expert, concluded that the removal of the gray wolf in Yellowstone National Park has led to several ecological problems. Some of the problems include eroding river banks and decline in aspen tree populations. Mech inferred that because of the removal of the wolf, the elk population exploded resulting in more elk eating more aspen tree leaves. The elk ate so many leaves they led to the death of the trees. Yellowstone saw many aspen groves completely disappear throughout the 1900’s. But in the 1990’s Yellowstone’s Park Rangers and other scientist began to make the correlation between the absents of…

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