This document discusses the bobcat (Lynx rufus) including its habitat, diet, reproduction, mortality factors, and role in the food chain. It also examines how stream quality, soil conditions, and various types of pollution could positively or negatively impact bobcat populations by altering the ecosystem and food web. Key factors discussed include nutrient levels, dissolved oxygen, pH, temperature, and turbidity in streams as well as pH, phosphorus, nitrogen, and potash levels in soil.