Salinity adaptations in the gastropodsLittorina mandshurica andLittorina squalida at different stages of ontogenesis

Salinity adaptations in the gastropodsLittorina mandshurica andLittorina squalida at different... Salinity adaptations of the gastropodsLittorina mandshurica andL. squalida were studied at different stages of their life cycles.L. mandshurica exhibited a higher degree of adaptation to variations in salinity thanL. squalida at all developmental stages. Egg masses did not protect embryos from desalination; the larvae inside the egg masses were capable of adapting to diluted seawater. As larvae developed in egg masses, their adaptive capabilities increased. At the time of hatching, the salinity tolerance of larvae differed little, if at all, from that of adults. It is assumed that pelagic egg capsules provide an advantage in the distribution of a species. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Salinity adaptations in the gastropodsLittorina mandshurica andLittorina squalida at different stages of ontogenesis

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2000 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1007/BF02759506
Publisher site
See Article on Publisher Site

Abstract

Salinity adaptations of the gastropodsLittorina mandshurica andL. squalida were studied at different stages of their life cycles.L. mandshurica exhibited a higher degree of adaptation to variations in salinity thanL. squalida at all developmental stages. Egg masses did not protect embryos from desalination; the larvae inside the egg masses were capable of adapting to diluted seawater. As larvae developed in egg masses, their adaptive capabilities increased. At the time of hatching, the salinity tolerance of larvae differed little, if at all, from that of adults. It is assumed that pelagic egg capsules provide an advantage in the distribution of a species.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Nov 18, 2007

References

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