Ecosystem

Ecosystem term is first proposed by A.G. Tansley in 1935.
According to Tansley "Ecosystem is the ecological unit consisting of biotics and abiotic components of the environment in a specific area"
Eg.-

• Grassland ecosystem
• Forest ecosystem
• Desert Ecosystem

Components of ecosystem

There are two components of the ecosystem-

• Biotic components-All living things available in Ecosystem is biotic components.
• Abiotic components- other than biotic components are known as Abiotic components.

classification of Ecosystem-

Function of Ecosystem

• There are a various function of the ecosystem
• Transfer of the energy from lower trophic level to higher tropic level
• Regulation of energy Water,Air, and our environment
• primary &  Secondary productivity
• Conservation of biodiversity
• Regulation of Food chain 
• Pollution control
• Material recycling
• Development and  regulation of natural resources & Environmental activities