Aquatic ecology and Biodiversity

Unit 4- Community ecology

4.1.2 Types of community
• Major community
• Minor community

Major community
It is a large, self sustaining, self regulating and independent unit. Eg:- coral reefs, rocky community, mangroves etc.

Minor community
It is smaller, not self sustaining and dependent on other communities for growth and survival but it is found in major community. Example - Barnacles, Oysters, Algae, Polychaetes present rocky shores.