1.

Define Nutrient cycling. Give the types of Nutrient cycling.

Answer»

Nutrient cycling: The movement of nutrient elements through the various component of an ecosystem is called nutrient cycling. 

Nutrient cycles are of two types: 

(i) Gaseous cycle

(ii) Sedimentary cycle.

  • The reservoir for gaseous type of nutrient cycle (nitrogen, carbon) exists in the atmosphere.
  • The reservoir for sedimentary cycle (sulphur, phosphorus) is Earth‘s crust.
  • Environmental factors like soil, moisture, pH temperature regulate the rate of release of nutrient into the atmosphere.
  • The function of the reservoir is to meet the deficit which occurs due to imbalance in the rate of influx and efflux. 


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