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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wang, Yan-Hua Yang, Hao Chen, Xia Zhang, Ji-Xiang Ou, Jie Xie, Biao Huang, Chang-Chun |
| Spatial Coverage | China |
| Description | Country affiliation: China Author Affiliation: Wang YH ( School of Geography Science, Nanjing Normal University, 1 Wenyuan Road, Qixia, Nanjing 210046, China. wangyanhua@njnu.edu.cn) |
| Abstract | N-alkanes distributions and stable isotopic compositions (δ(13)C and δ(15)N) in the lacustrine sediments of Shijiu lake were measured to assess whether biological source information was recorded in the molecular biomarker. Results showed regular unimodal n-alkanes distribution in range of C16-C33 with strong predominance of odd-numbered n-alkanes, maximizing at C29. The δ(15)N for SON were uniformly low, ranging from -6.7 to 3.8 and C/N ratios ranged from 6.6 to 10.0, suggesting that most of organic matter was influenced by terrestrial characteristics of the watershed. The δ(13)C for C27 to C31n-alkanes and for SOC varied from -32.9 to -26.6 and -23.4 to -21.6, respectively, falling within the range of corresponding n-alkanes in leaves mainly from C3 land plants. The values of C/N, CPI, OEP, ACL and C27/C31 exhibit similar temporal changes with the primary production, showing enhanced eutrophication resulted from increased anthropogenic activities in Shijiu lake from 1852 to 2010. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 176 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Biological Markers Analysis Environmental Monitoring Methods Geologic Sediments Chemistry Lakes Water Pollutants, Chemical Carbon Isotopes China Eutrophication Nitrogen Isotopes Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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