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Title: | Fishery of threadfin breams with some aspects on the biology and stock assessment of Nemipterus mesoprion (Bleeker, 1853) off Malabar coast |
Other Titles: | Not Available |
Authors: | Manojkumar,P P |
ICAR Data Use Licennce: | Not Available |
Author's Affiliated institute: | Not Available |
Published/ Complete Date: | 2007 |
Project Code: | Not Available |
Keywords: | Fishery threadfin breams biology stock assessment Nemipterus mesoprion Malabar coast |
Publisher: | CMFRI; Kochi |
Citation: | Not Available |
Series/Report no.: | Not Available |
Abstract/Description: | The average annual catch of threadfin breams along the Malabar coast was 16,754 t during 1998-2005. The fishery was constituted by Nemipterus japonicus (46.8 %) and N. mesoprion (53.2 %). Peak landings were noticed during August- September. Studies on N. mesoprion revealed that there is no significant difference in the length weight relationship between sexes, and hence a common equation was fitted as Log W = -3.9620+2.8298 Log L. The asymptotic length (L ) and growth coefficient (K) were estimated as 299 mm and 0.79 y-1 respectively. N. mesoprion grows to 164, 238, 271 and 287 mm at the end of first, second, third and fourth years. The total mortality, fishing mortality and natural mortality were 4.93 y-1, 3.41 y-1 and 1.52 y-1 respectively. The length at first capture was 105.4 mm. The resource is over exploited, and hence there is a need for reducing the fishing pressure to sustain the fishery. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Article |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Indian Journal of Fisheries |
Volume No.: | 54 |
Page Number: | 149-154 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | http://eprints.cmfri.org.in/5857/1/a2.pdf |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/61834 |
Appears in Collections: | FS-CMFRI-Publication |
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