Lakes that have few nutrients and low primary productivity, such as Crater Lake in Oregon, are classified as eutrophic.
mesotrophic.
oligotrophic.
oligomesotrophic.

a time line cause it goes from 685 to 978

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

silty loam

hope this