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Title: | Length-weight relationship of Macrobrachium lar (Fabricius, 1798), an endemic freshwater prawn in streams and ponds of Andaman and Nicobar Islands |
Other Titles: | Not Available |
Authors: | Sethi,S N Ram,Nagesh Venkatesan,V |
ICAR Data Use Licennce: | Not Available |
Author's Affiliated institute: | Not Available |
Published/ Complete Date: | 2012 |
Project Code: | Not Available |
Keywords: | Andaman and Nicobar Islands Length-weight relationship Macrobrachium lar Ponds Streams |
Citation: | Not Available |
Series/Report no.: | Not Available |
Abstract/Description: | Macrobrachium lar (Fabricius, 1798) is a freshwater prawn species of Andaman and Nicobar Islands (A&N Islands) inhabiting streams, rivers, lakes and ponds. Length-weight relationships of this species collected from selected streams and ponds during the year 2008 were estimated. A total of 238 specimens in the size range 60-167 mm in total length (128 females and 110 males) collected from the various streams while 281 specimens in the size range 63-118 mm in total length (157 females and 124 males ) caught from the ponds were examined. As there was no significant difference in the slopes and elevations of both sexes from each source, data were pooled to arrive at a common equation for each source. The combined equations of length-weight relationship of M. lar were W = 0.00007 L2.6695 for streams and W = 0.000006 L3. 205 for ponds. The correlation coefficient ‘r’ was found to be 0.86 for streams and 0.89 for ponds. The regression coefficient b for this species was either marginally higher (ponds) or significantly lower (streams) than 3 (p<0.01), suggesting allometric growth. The present results indicated that prawns sampled from ponds are heavier than those from streams at any given length. |
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.: | 59 |
Page Number: | 157-161 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | http://eprints.cmfri.org.in/9323/1/104.pdf |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/62979 |
Appears in Collections: | FS-CMFRI-Publication |
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