Forestologists.
Forester, or if employed by federal or state bodies, a Forest Ranger. Those are my guesses - I haven't researched it! A park/forest ranger
People who study typhoons and weather are called meteorologists.
forest
Environmentalists
It is someone who studies weather and forecasts it but, they can also tell what air travel is like as well.
forestkeeper
Anthropology is the study of people. The land or forest would be of secondary interest.
Social science would study the effect on the people.
The people that study ruins are archaeologist.
People who study pathology are called pathologists.
Zoologists.
Sedimentologists.
Hemographers
Zoologist
Physiologists
pharmacologists
dictoneran