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| Egg dormancy in a neritic calanoid copepod and its implications to overwintering in boreal waters |
| Zillioux, E.J.; Gonzalez, J.G. (1972). Egg dormancy in a neritic calanoid copepod and its implications to overwintering in boreal waters, in: Battaglia, B. (Ed.) (1972). Fifth European Marine Biology Symposium. pp. 217-230 |
| In: Battaglia, B. (Ed.) (1972). Fifth European Marine Biology Symposium. Piccin Editore: Padova. 348 pp., meer |
| Beschikbaar in | Auteurs |
VLIZ: Proceedings [212691]
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Documenttype: Congresbijdrage
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| Abstract |
Laboratory and field studies have proven the existence of temperature-dependant dormancy in the egg of Acartia tonsa. A winger 'resting' egg has not previously been recorded in the life history of a marine copepod. This phenomenon is believed to be the mechanism responsible for the spring resurgence of this species following its normal mid-winter disappearance in North America coastal areas and estuaries north of 40 degree latitude. Cold-induced dormancy was also observed in sub-tropical specimens of A. tonsa. Evidence is presented that suggests egg dormancy may be a common mechanism of overwintering for many species of neritic, boreal copepods. |
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