1 jan 1925 ano - a controlled environment

Descrição:

Trout Lake Station was established in 1925 as a central location to study the diversity of lakes in northern Wisconsin. Birge and Juday’s hopes were that by studying the different characteristics of many lakes, including a 500 lake survey, they would be able to discover some general limnological principles.

https://limnology.wisc.edu/trout-lake-station-welcome/

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