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| 西安市景观水体营养状态调查及浮游藻类多样性研究 |
| Nutrition Situation and Phytoplankton Species Diversity ofLandscapingW ater Bodyin Xian |
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| DOI： |
| 中文关键词: 景观水体 富营养化 藻类多样性指数 西安市 |
| 英文关键词: Landscaping waterbody Eutrophication Phytoplankton diversityinduces Xian |
| 基金项目:西安市科技计划基金资助项目 (CXY09025- 3) |
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| 中文摘要: |
| 对西安市城区景观水体浮游藻类状况及生物多样性进行了研究。结果表明,7 个景观水体中有 5个水体的水质未达到Ⅴ类水质标准, 主要超标项目为pH值和TN;7 个水体的(N)/ (P) 为16.6~ 43.6, 磷为限制性因子; 其中2个水体富营养化严重, DO含量低, 水质达不到要求, 其优势藻种为蓝藻门, 含量占浮游藻类总数的 64.3% ~ 93.4%; 而水质较好的贫营养水体优势种为黄藻门, 含量占到浮游藻类总数的 54.3%; 通过6种生物多样性指数与景观水体营养状态的拟合, 发现 M eNaught |
| 英文摘要: |
| Thenutritionsituationof7 urbanlandscapinginXian wereinvestigated, andtheirphytoplankton compositionsandbiodiversityinduceswerestudied. Theresultsindicatedthatfiveofthestudiedwaterbodiesdid notachieve waterqualitystandards , andthepollutantsoverstandard valueincludedpH and TN; Therestrictivefactorsofthe waterbodies werephosphoruswith N/P ratio between 16.6 and 43.6, andtwo ofthe water bodieswereseriouseutrophication, whichwaswithlow DO contentand highN, P conten;t The dominantspecies were Cyanophytain 2 eutrophication waterbodies, accounted for64.3% ~ 93.4% ofthetotalphytoplankton species, and Bcillariophyta dominated the oligotrophic waterbodies, which accounted for54. 3% ofthetotal phytoplanktonspecies. Six biodiversityindiceswere usedtoassesstheeutrophicationsituation ofthelandscaping waterbodiestofindtheM eN aughtons'index wasthe mostsuitable eutrophication assessmentindex. |
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