Ecosystems: Populations and Succession- in May and June of 1988, after an extended drought, Yellowstone National Park was covered with a large number of fire because of lightning. Although the fires were devastating, nature had started its process of vegetation all over again within two weeks. As time progressed, so did vegetation. I. Populations Dynamics- each species in an ecosystem exists as a population * population equilibrium- a state of balance between births and deaths in a …showed first 75 words of 1111 total…

…showed last 75 words of 1111 total…practices compatible with the natural potential of the area • Examine impacts of local decisions in a regional context • Retain large connected areas that contain critical habitats * adaptive- showing or having a capacity for or tendency toward adaptation 2. The Pressures of Population- in the long run, the efforts to protect natural ecosystems will be overwhelmed and thwarted by increasing pressures from the human system if current trends of population growth and exploitation of natural ecosystems continue.