Before revision:  Here we show that a large segment of niche theory is equivalent to a Minimum Environmental Perturbation Principle (MEPP): ecosystems URLanize into a state that minimizes the  impact URLanisms on their environment.
After revision:  Here we show that a large segment of niche theory is equivalent to a Minimum Environmental Perturbation Principle (MEPP): ecosystems URLanize into a state that minimizes the collective impact URLanisms on their environment.