KRISHI
ICAR RESEARCH DATA REPOSITORY FOR KNOWLEDGE MANAGEMENT
(An Institutional Publication and Data Inventory Repository)
"Not Available": Please do not remove the default option "Not Available" for the fields where metadata information is not available
"1001-01-01": Date not available or not applicable for filling metadata infromation
"1001-01-01": Date not available or not applicable for filling metadata infromation
Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/61682
Title: | Immediate effects of experimental otter trawling on the physico-chemical parameters of seawater off Mangalore |
Other Titles: | Not Available |
Authors: | Durgekar,N Raveendra Anoop,A K Zacharia,P U Krishnakumar,P K |
ICAR Data Use Licennce: | Not Available |
Author's Affiliated institute: | Not Available |
Published/ Complete Date: | 2006 |
Project Code: | Not Available |
Keywords: | Bottom trawling physico-chemical parameters nutrients Mangalore |
Publisher: | MBAI |
Citation: | Not Available |
Series/Report no.: | Not Available |
Abstract/Description: | Experimental otter trawling was carried out for 11 months (May 2001 -November 2002) off Mangalore coast to evaluate its immediate effect on physicochemical parameters of seawatej. Five stations (1-5) with increasing depths (]Om, 20m, 30m, 40 m and 50rn) were selected for the study using a systematic BACI (Before1 After and Controlllmpact) design. Trawling impact on the changes in salinity, temperature, dissolved oxygen, total suspended solids and nutrients (nitrite, nitrate, phosphate and silicate) were assessed. Temperature, salinity and pH were similar before and after trawling. The results indicate that TSS at surface and bottom waters increased immediately after trawling which was prominent at the shallow stations with significant difference (P < 0.05) at station 2. Changes in nutrient load by trawling were occasionally observed. Trawling had only a minor effect on transparency, dissolved oxygen and nutrients. Multivariate analysis (PCA) also revealed minor impact on the physicochernical parameters due to trawling. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Article |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Journal of the Marine Biological Association of India |
Volume No.: | 48 |
Page Number: | 200-205 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | http://eprints.cmfri.org.in/2086/1/Zacharia_200-205.pdf |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/61682 |
Appears in Collections: | FS-CMFRI-Publication |
Files in This Item:
There are no files associated with this item.
Items in KRISHI are protected by copyright, with all rights reserved, unless otherwise indicated.