Document Type
Article
Department/Program
Virginia Institute of Marine Science
Publication Date
1973
Journal
Proceedings of the National Shellfisheries Association
Volume
63
First Page
68
Last Page
71
Abstract
Two experiments were carried out in 1971 using bay scallops spawned in Aug and Sept of 1970. 4 groups of 150 scallops were held at the surface, 1 m below the surface, 2 m off the bottom, and 1 m off the bottom, to find the effects of depth on growth and survival. Scallops were held in surface enclosures at 4 different densities (100, 75, 50 and 25/ft super(2)) to find out the effects of crowding. In the depth experiment growth was approx equal throughout the water column. Mortality decreased with increasing depth with the exception of those held at 1 m off the bottom. In the density experiment growth up to a height of 27.0-28.0 mm (1.1 in) was approx equal at all densities. Above this size, growth decreased with increasing density. Mortality was low and approx equal at all densities for the first 2 months but increased with increasing density during the last 2 months.
Recommended Citation
Duggan, William, Growth and survival of the bay scallop, Argopecten irradians, at various locations in the water column and at various densities (1973). Proceedings of the National Shellfisheries Association, 63, 68-71.
https://scholarworks.wm.edu/vimsarticles/1271
