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Sex ratio of five species of pelagic copepods from Indian Ocean

DRS at CSIR-National Institute of Oceanography

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Title Sex ratio of five species of pelagic copepods from Indian Ocean
 
Creator Saraswathy, M.
Santhakumari, V.
 
Subject Population Studies
Crustaceans
marine crustaceans
sex ratio
population density
abundance
tropical environment
dominant species
ISW, Indian Ocean
 
Description Sex ratio in five species from south and southeast coast of India varied remarkably. Five species were selected for the present investigation. Range in the percentage of males was from 8 to 121 in @iUndinula vulgaris@@ (Dana), 16-425 in @iCentropages furcatus@@ (Dana), 3.5 to 47 in @iTemora turbinata@@ (Dana), 13 to 193 in @iTemora discaudata@@ Giesbrecht and 13 to 262 in @iCandacia bradyi@@ Scott. The ratio reached its maximum when the density of a species was low and when the numerical abundance was maximum the sex ratio was low. @iT. turbinata@@ was the only species which occurred in dense swarms during certain periods, completely absent in some collections and the only species which never showed male dominance. The four other species were present during all the cruises and in certain samples males dominated
 
Date 1995-05-10T10:00:54Z
2017-09-29T13:48:41Z
1995-05-10T10:00:54Z
2017-09-29T13:48:41Z
1982
 
Type Journal Article
 
Identifier Mahasagar, vol.15(1); 1982; 37-42
0542-0938
http://drs.nio.org/drs/handle/2264/6655
 
Language en
 
Relation Mahasagar
NON-SCI
 
Publisher Indian Association for Limnology and Oceanography