TELUGU CHANDRA MOHAN., B.F.Sc2019-07-052019-07-052017http://krishikosh.egranth.ac.in/handle/1/5810113030Aquatic ecosystem is the interacting system between the water and living organismsPHYSIOLOGICAL AND HAEMATOLOGICAL CHANGES TO SUB LETHAL CONCENTRATIONS OF NICKEL DURING ACCUMULATION AND DEPURATION PHASES IN TILAPIA (OREOCHROMIS NILOTICUS)Thesis