Study of Hill stream Insects of Larva river (North Chotanagpur area) with reference to their species richness

Sayeed Ahmed^a* and Kishalay Ray^b
aResearch Scholar
^bH.O.D.,University Dept. of Zoology, V.B.U., Hazaribagh

Received 11th December, 2008; Revised 9th February, 2009

Abstract:  Biodiversity provide a scientific infrastructure to fulfill our needs to preserve ecological system. Biodiversity is the conserver of genes.  Biodiversity play important role in maintaining equilibrium of ecosystem by not affecting the food chain. Any  disturbance  at any stage of food chain affect the whole biodiversity, which results in immediate and long-term effects on human existence itself. As a result of that livelihood of human beings greatly affected.