نتایج جستجو برای: ceratophyllum
تعداد نتایج: 178 فیلتر نتایج به سال:
?????????????????????????????????????????????????????????????????????????.???????????????????????????????????.?????????????????????????????????????????????????4??????25?50?75?100 cm??????????Potamogeton malaianus?????Hydrilla verticillata?????Vallisneria natans??????Ceratophyllum demersum?????????????????????.??????1?????????????0.09%???0.09%???3.04%????20.87 mg/kg????10.7 mg/kg????326.67 mg/kg...
The present study has carried out to clarify the changes of blood parameters grass carp Ctenopharyngodon idella (Valenciennes, 1844), responding chlorofete effect under laboratory conditions, in presence and absence aquatic plant Ceratophyllum demersum (L.). Three concentrations used during chronic exposure time extended (15days). Blood tests (R. B. Cs., Hb, P.C.V.) were studied for fish expose...
Abstract The textile factories are one of the main important problem will generate water pollution therefore, to reduce contaminant from wastewater before their discharge into environment. current study included investigate removal methylene blue dye by using aquatic plant Ceratophyllum demersu with Acinetobacter radioresistens bacteria. best concentration 30 mg/L was prepared application in ba...
The configuration of submerged plants plays an important role in the restoration river networks. In this study, Sudong River, a typical plain network southern China, was selected for plant research to improve water transparency. Analysis historical and field data River showed that most state eutrophication. main factors affecting transparency were temperature, ammonia nitrogen, chlorophyll a, t...
Inhibition of phytoplankton by allelochemicals released by submerged macrophytes is supposed to be one of the mechanisms that contribute to the stabilisation of clear-water states in shallow lakes. The relevance of this process at ecosystem level, however, is debated because in situ evidence is difficult to achieve. Our literature review indicates that allelopathically active species such as My...
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