Experiments were conducted to assess the effects of polluted seawater of the Visakhapatnam Harbour o n the growth and survival of Ulva fasciata Delile. Rapid degeneration of ülva discs with marked reduction in growth was observed in the waters collected near Southern lighter canal which are polluted by untreated town sewage. In the waters of Northern and Western arrns of the Harbour, growth rate was slightly more than that observed in unpolluted seawater used äs control, but 22 to 30 per cent of Ulva discs died at end of the experiments. Results of these experiments indicate that the waters of Visakhapatnam Harbour are toxic to the growth of Ulva fasciata and waters of Southern lighter canal are more polluted than the waters of Northern and Western arms.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.