What did the 1980 mount saint helens volcanic eruptions teach environmental scientists? planting douglas fir trees was essential to recovering the forest. salvage logging was essential to protecting the area from fire an insect threats. seating the slopes was necessary to prevent erosion. many of the initial pioneering species actually survived the eruptions.

Many of the initial pioneering species actually survived the eruptions.

1980 Mount Saint Helens volcanic eruptions were efficient to teach scientists about the ecological relationships and succession after volcanic activity. Charlie Crisafulli was a ecologists who arrived at the volcanic site along with his colleagues to collect ecological data. He noted the development of ecological relationships across the volcanic landmass. He documented the types, amounts and distribution of surviving organisms, which further took forward the responsibility of colonization and succession.

chlorophyll a: this is the most abundant pigment in plants. chlorophyll a absorbs light with wavelengths of 430nm(blue) and 662nm(red). it reflects green light strongly so it appears green to us.