SHAIK MERAJUDDIN AAQUIB, B.F.Sc2019-07-052019-07-052015http://krishikosh.egranth.ac.in/handle/1/5810112958Sand and gravel have been essential components of construction materials and been in almost all construction schemes including buildings, dams, roads and highways, bridges, airports, pipelines, septic systems etc.,IMPACT OF SAND DREDGING ON PHYSICO-CHEMICAL CHARACTERISTICS, FAUNA AND FLORA OF NETHRAVATHI ESTUARYThesis