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Publications

Distribution and Downstream Movement of Juvenile Alosids in the Annapolis River Estuary

Introduction

During the late summer and early fall of 1993 a project was undertaken to monitor the migration of young-of-the year (YOY) alosids in the Annapolis River between Bridgetown and Annapolis Royal. The project was aimed at providing information on the stock size and migratory movements of these alosids within this estuary by attempting to meet the following objectives:

To determine the location(s) of schooling YOY alosids in the upper estuary of the Annapolis, prior to their seaward migration past the Annapolis causeway.

To estimate the population size of the 1993 year class of alosids.

To document the downstream movement of any school(s) of YOY alosids, relating these movements to potentially important environmental factors.

To investigate the relative importance of different routes of passage in the vicinity of the Annapolis Tidal Generating Station.

To characterize the habitat(s) occupied by schooling YOY alosids in the upper estuary (i.e., below Bridgetown) prior to their final downstream movement to the sea.

To obtain information on stock characteristics (mean length, mean weight, condition factor, etc.) for the school(s) of migrating alosids.