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Salinity, temperature and desiccation tolerance of intertidal gastropods Littorina quadricentus and Nodilittorina pyramidalis

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Title Salinity, temperature and desiccation tolerance of intertidal gastropods Littorina quadricentus and Nodilittorina pyramidalis
 
Creator Thivakaran, G A
Kasinathan, R
 
Description 57-60
L.quadricentus and N.pyramidalis were subjected to different grades of salinity, temperature and desiccation to study their tolerance. In N. pyramidalis, the critical salinity level was 21 x 10 -3 below which the animals exhibited a reduced activity and increased mortality. In L.quadricentus, below 24 x 10 -3 sal. there was a sharp increase in mortality and decrease in activity. Animals of all size groups, in both species responded similarly to varying temperature. Contrary to this, in desiccation tolerance experiments, larger forms withstood desiccation for a longer period than smaller forms in both species.
 
Date 2016-12-06T10:56:41Z
2016-12-06T10:56:41Z
1990-03
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/handle/123456789/38187
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.19(1) [March 1990]