And Richard “Dick” Mack gathered a group of graduate students to help collect it. Ecologist Charlie Crisafulli, then an undergraduate student, landed by helicopter on Mount St. Helens' barren landscape just weeks after the catastrophic eruption to begin assessing disturbance effects and to help develop a research strategy to study initial and long-term ecological responses. Field Ecology on Mount St. Helens. Pages 215–221 in S. A. C. Keller, editor. Pages 215–221 in S. A. C. Keller, editor. Lakes, streams, and forests all responded at different rates after the eruption Lakes, streams, and forests responded at different rates after the 1980 eruption. St. Helens in 1980 was … Scientists have studied the return of plant life on Mount St. Helens ever since the volcano erupted in 1980. The first three links on the right (Human Responses, Earth Windows, and Disturbance Ecology) below contain curriculum lessons. [CDATA[/* >