| Kazem Darvish Bastami,Mehrshad Taheri,Maryam Yazdani Foshtomi,Sarah Haghparast,Ali Hamzehpour,Hossein Bagheri,Marjan Esmaeilzadeh,Neda Molamohyeddin. 2017. Nematode community structure in relation to metals in the southern of Caspian Sea. Acta Oceanologica Sinica, 36(10):79－86 |
| Nematode community structure in relation to metals in the southern of Caspian Sea |
| Nematode community structure in relation to metals in the southern of Caspian Sea |
| Received:May 10, 2016 |
| DOI：10.1007/s13131-017-1051-x |
| Key words:free-living nematodes metal ecological quality status the Caspian Sea |
| 中文关键词: free-living nematodes metal ecological quality status the Caspian Sea |
| 基金项目: |
| Author Name | Affiliation | E-mail | | Kazem Darvish Bastami | Iranian National Institute for Oceanography and Atmospheric Science(INIOAS), Tehran 1411813389, Iran | darvish_60@yahoo.com,darvish.bastami@inio.ac.ir | | Mehrshad Taheri | Iranian National Institute for Oceanography and Atmospheric Science(INIOAS), Tehran 1411813389, Iran | | | Maryam Yazdani Foshtomi | Iranian National Institute for Oceanography and Atmospheric Science(INIOAS), Tehran 1411813389, Iran | | | Sarah Haghparast | Department of Fisheries, Faculty of Animal Science and Fisheries, Sari Agricultural Sciences and Natural Resources University, Sari 578, Iran | | | Ali Hamzehpour | Iranian National Institute for Oceanography and Atmospheric Science(INIOAS), Tehran 1411813389, Iran | | | Hossein Bagheri | Iranian National Institute for Oceanography and Atmospheric Science(INIOAS), Tehran 1411813389, Iran | | | Marjan Esmaeilzadeh | Department of Environmental Science, Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran 1477893855, Iran | | | Neda Molamohyeddin | Department of Marine Science and Technology, Tehran North Branch, Islamic Azad University, Tehran 1477893855, Iran | |
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| Abstract: |
| Spatial distribution and structure of nematode assemblages in coastal sediments of the southern part of the Caspian Sea were studied in relation to environmental factors. By considering metals, organic matter, Shannon diversity index (H), maturity index (MI) and trophic diversity (ITD), ecological quality status of sediment was also determined. Fifteen nematode species belonging to eleven genera were identified at the sampling sites. Average density of nematode inhabiting in sediment of the studied area was 139.78±98.91 (ind. per 15.20 cm2). According to redundancy analysis (RDA), there was high correlation between metals and some species. Based on biological indicators, the studied area had different environmental quality. Generally, chemical and biological indices showed different results while biological indices displayed similar results in more sites. |
| 中文摘要: |
| Spatial distribution and structure of nematode assemblages in coastal sediments of the southern part of the Caspian Sea were studied in relation to environmental factors. By considering metals, organic matter, Shannon diversity index (H), maturity index (MI) and trophic diversity (ITD), ecological quality status of sediment was also determined. Fifteen nematode species belonging to eleven genera were identified at the sampling sites. Average density of nematode inhabiting in sediment of the studied area was 139.78±98.91 (ind. per 15.20 cm2). According to redundancy analysis (RDA), there was high correlation between metals and some species. Based on biological indicators, the studied area had different environmental quality. Generally, chemical and biological indices showed different results while biological indices displayed similar results in more sites. |
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