Environmental Engineering Reference
In-Depth Information
Time
FIGURE 16.5
Stages of population growth.
FIGURE 16.6 Einar Naumann (1891-1934). Swedish limnologist and originator of the trophic state concept.
(Courtesy of the Association for the Sciences of Limnology and Oceanography Image Library; the photo-
graphs were from an old ASLO slide collection submitted by W. Lewis; scanned by Dr. K.L. Schulz.)
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