Search the web to find a specific example that illustrates how changes in the population of one species affects populations of other species in the same ecosystem.

Discuss the cause(s) for change in populations (human activities involved?), label the species involved (producers, herbivores etc) and describe their interspecific interactions.   

As always, include references. As always, your main response should be a minimum of 150 words no plagiarism, cite and list in apa format