Anthropogenic pollution and oxygen depletion in the lower Yangtze River as revealed by sedimentary biomarkers

Zhu, Chun, Pan, Jian-M. and Pancost, Richard D. 2012. Anthropogenic pollution and oxygen depletion in the lower Yangtze River as revealed by sedimentary biomarkers. Organic Geochemistry 53 , pp. 95-98. 10.1016/j.orggeochem.2012.09.008

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Abstract

The Yangtze River receives 37.5% of the municipal sewage of China, whose fate constitutes a major environmental and health concern. This study applied phytosterols, 5β(H)-stanols, tetrahymanol and 17α,21β(H)-C30-hopane to examine sewage and petroleum-derived organic pollutants, and assess their impact on the biogeochemistry of the lower river benthic environment. The results showed that significant contributions from sewage and petroleum pollutants were preserved in the riverbed. These potentially contributed to O2 depletion and apparently an anoxic environment in the riverbed, either directly or via an impact on primary productivity.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Subjects:	G Geography. Anthropology. Recreation > GC Oceanography
Publisher:	Elsevier
ISSN:	0146-6380
Last Modified:	04 May 2016 03:14
URI:	https://orca.cardiff.ac.uk/id/eprint/67172

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