Environmental Studies(ES)

ENVIRONMENTAL STUDIES

Lesson 13: Types of ecosystems

Natural ecosystems

These ecosystems operate by themselves under natural conditions without any major interference by man. Based upon the particular kind of habitat, these are further divided as

• Terrestrial: Forest, grassland, desert
  
• Aquatic (water-open) which may be further divided into

a) Fresh water: may be lentic (standing waters as lake, pond, pools, swamp etc.), lotic (running water as spring, stream or rivers).

b) Marine: as an ocean or shallow ones like sea or estuary etc.