Thursday, December 31, 2009

Protection of Aquatic Life

Anthropogenic stresses, introduction of chemicals into water, affect many species of aquatic flora and fauna.

Parts that concern to enviromentalis are
  • Dissolved oxygen (kill fish at low concentration)
  • Phosphates, ammonium and nitrate (cause significant changes in community strcuture)
  • Heavy metals and many synthetic chemical (ingested and absorbed by organisms cause bioaccumulated in body)
  • Pollutant (cause carcinogenic, reproductive and developmental effects)