environmentalist
It is the study of lakes.
A hydrologist would study this sort of subject. Hydrologists study water, how it is affected by an environment, and what it can do for the environment itself.
A scientist that studies plants is known as a botanist.
Paul
audiologist
archeologist
geologist
A geographer is a scientist who studies geography.
A neuroscientist or neurobiologist is a scientist who studies the brain.
environmentalist
Dr.Paul Comkolo
Lorenz