Measurement of Egg Production Rate of Calanus finmarchicus from Preserved Samples

A method for determining Calanus egg production rates from preserved, net-tow samples is proposed. In the sea off Nova Scotia, in situ egg production rates (eggs per female per day) of Calanus finmarchicus are significantly related to an index of gonadal development in preserved females. This relati...

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Bibliographic Details
Published in:Canadian Journal of Fisheries and Aquatic Sciences
Main Author: Runge, Jeffrey A.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1987
Subjects:
Online Access:http://dx.doi.org/10.1139/f87-246
http://www.nrcresearchpress.com/doi/pdf/10.1139/f87-246
Description
Summary:A method for determining Calanus egg production rates from preserved, net-tow samples is proposed. In the sea off Nova Scotia, in situ egg production rates (eggs per female per day) of Calanus finmarchicus are significantly related to an index of gonadal development in preserved females. This relationship could be used in combination with data on female abundance to estimate daily production of eggs in the water column. The method is illustrated with data from a transect across Browns Bank.