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《Journal of Anhui Agricultural Sciences》 2009-23
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Evaluate on Condition of Phytoplankton and Water Body Nutrition in Landscape Canal of Yinchuan

JI Li-dong et al(Agronomy College,Ningxia University,Yinchuan,Ningxia 750021)  
The phytoplankton constitutional characteristics,total N,total P,COD,chlorophyll a,and transparency of Yinchuan landscape canal were inspected dynamically.Biological index,diversity index and nutrition state index were applied to evaluate the nutrition state of the canal.The results showed that the total alga types,which was green-blue alage types in the summer,but was green-diatom-blue alage types in the autumn,was 115.The average green alga index in the two seasons was 6.2,integtate index was 10.9,Mamargalef index was 2.69,Shannon-Weaver was 0.82.The average nutritional state index which indicate that the water body was on eutrophication state,was 72.63.Part of it even reached extremely eutrophication level.
【Fund】: 宁夏回族自治区科技攻关项目(国际合作)(NZ0611)
【CateGory Index】: X524
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