- Split View
-
Views
-
Cite
Cite
P. J. Dare, Damage caused to mussels (Mytilus edulis L.) by dredging and mechanized sorting, ICES Journal of Marine Science, Volume 35, Issue 3, June 1974, Pages 296–299, https://doi.org/10.1093/icesjms/35.3.296
- Share Icon Share
Abstract
Up to 13% of mussels which had passed through a rotary sorting machine experienced shell damage and many apparently suffered some internal damage which impaired their long-term survival out of water. These injuries were superimposed upon others when harvesting was done with large dredges. Sublittoral mussels had a significantly higher shell-damage rate than intertidal mussels of comparable age; they also survived less well out of water. Relaying sublittoral stock into the low intertidal zone, for at least 6 months, increased resistance to sorting damage and to lengthy exposure in air. At least 90% of sorted mussels survived for 8 days out of water in winter in North Wales, and survival for at least 36 days was recorded with a few unsorted individuals.