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Most of the biochemical and metabolic activities have been studied
in land plants and also work has been done in the case of aquatic
plants especially submerged hydrophytes, hence it was considered as
interest to study Hydrilla with the objectives such as physico-
chemical parameters of water, growth pattern and biochemical
changes of Hydrilla plant and Correlation between physico-chemical
parameters of water and biological parameter of Hydrilla
Hamisar is central to the social and cultural consciousness of Bhuj
city. This heritage lakes speaks of the suffering of the drought
years, and the joy of the good years.Lake studies are conducted to
meet specific purposes like Protection of present water quality,
Water Quality Impacts associated with Eutrophication and
Restoration of former water quality.After complete investigation
the result of physical and chemical parameters were compared with
WHO (1971) and BIS (1991) standard. After comparing the 98 result
it was found that many number of parameters were above desirable
limit, which indicate that water of Hamisar lake show some level of
pollution
Phytoplankton (microscopic algae) usually occurs as unicellular,
colonial or filamentous forms and is mostly photosynthetic and is
grazed upon by the zooplankton and other organisms occurring in the
same environment. The phytoplanktons stand at the baseline of food
webs in aquatic environments and are very sensitive to changes in
the environmental conditions. Plankton, particularly phytoplankton,
has long been used as indicators of water quality. They flourish
both in highly eutrophic waters while a few others are very
sensitive to organic and/or chemical wastes. Some species have also
been associated with noxious blooms sometimes creating offensive
tastes and odours or toxic conditions. Because of their short life
cycles planktons respond quickly to environmental changes, and
hence the standing crop and species composition indicate the
quality of the water mass in which they are found.
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