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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Abhilash, K. R. Raveendran, T. V. Limna Mol, V. P. Deepak, M. P. |
| Spatial Coverage | India |
| Description | Country affiliation: India Author Affiliation: Abhilash KR ( National Institute of Oceanography, Regional Centre, Council of Scientific and Industrial Research (CSIR), Kochi 682 018, Kerala, India. abhilashk@nio.org) |
| Abstract | Eutrophication has often been one of the major problems encountered in estuaries and coastal waters. The oxic/anoxic status of an estuary can be effectively determined by measurement of the Sediment Oxygen Demand (SOD). The present study forms a pioneering attempt to evaluate the SOD of the Cochin Backwater System (CBS), a tropical eutrophic estuary in the south-west coast of India. The CBS exhibited significant spatio-temporal variations in SOD. The mean net SOD during the dry season (2569.73 µmol O(2) m(-2) h(-1)) was almost twice that of the wet season (1431.28 µmol O(2) m(-2) h(-1)), presumably due to higher discharge during the latter season. The observed pockets of net oxygen release indicate that the CBS still retains certain autotrophic regions in spite of heavy organic drains. The low oxygen flux in light chambers points towards the role of microphytobenthos in maintaining the oxygen reservoir of the estuarine system. |
| File Format | HTM / HTML |
| ISSN | 01411136 |
| Volume Number | 79 |
| e-ISSN | 18790291 |
| Journal | Marine Environmental Research |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-08-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Discipline Toxicology Discipline Biology Ecosystem Environmental Monitoring Geologic Sediments Chemistry Oxygen Metabolism Tropical Climate Animals Biomass Chlorophyll Analysis India Population Density Seasons Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pollution Medicine Aquatic Science Oceanography |
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