Embryonic development of the European smelt Osmerus eperlanus eperlanus (L.) (Neva population)

Embryonic development of the European smelt Osmerus eperlanus eperlanus (L.) (Neva population) The embryonic development of the European smelt Osmerus eperlanus eperlanus has been described. The whole period of the development has been subdivided into 6 subperiods. More than 80 stages may be described for all of these periods. The development of the European smelt embryo was studied in the 5 different regimes of a constant temperature in the range 9.5–18.3°C. The duration of different stages under different temperature regimes was expressed in the relative units of τ0 (the time of a single cleavage) and τs (the time of formation of a single pair of somites). It was established that the τs value had proportionally changed by embryogenesis. Due to this fact, the duration of the stages was expressed only as τs. The dependency of the speed of the European smelt embryogenesis on temperature has been shown. This dependence was expressed using the standard interval τs and described using the equation log τs(t) = 3.22665−0.13876t + 0.00297t 2, where t is the temperature. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Embryonic development of the European smelt Osmerus eperlanus eperlanus (L.) (Neva population)

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Publisher
Springer Journals
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074006030059
Publisher site
See Article on Publisher Site

Abstract

The embryonic development of the European smelt Osmerus eperlanus eperlanus has been described. The whole period of the development has been subdivided into 6 subperiods. More than 80 stages may be described for all of these periods. The development of the European smelt embryo was studied in the 5 different regimes of a constant temperature in the range 9.5–18.3°C. The duration of different stages under different temperature regimes was expressed in the relative units of τ0 (the time of a single cleavage) and τs (the time of formation of a single pair of somites). It was established that the τs value had proportionally changed by embryogenesis. Due to this fact, the duration of the stages was expressed only as τs. The dependency of the speed of the European smelt embryogenesis on temperature has been shown. This dependence was expressed using the standard interval τs and described using the equation log τs(t) = 3.22665−0.13876t + 0.00297t 2, where t is the temperature.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Jul 5, 2006

References

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