Asked by Maica

what are contrasts between a marine and estuarine environment?
Answered by drwls
Tides do not influence water levels as much in an estuary environment. The water is brackish and varies in salinity there.

Reading this will help you:
http://fds.oup.com/www.oup.com/pdf/13/9780198525080.pdf
Answered by Maica
Can I also mention in my answer that an estuarine environment is part of a marine environment?

Answered by drwls
I do not recommend doing that. One is not a subclass of the other.