The Cyclopoid Copepods, Hemicyclops adhaerens and Saphirella sp., in the Damariscotta River Estuary, Maine, with a Note to Their Possible Relationship
- 1 September 1978
- journal article
- research article
- Published by Springer Nature in Estuaries
- Vol. 1 (3) , 200-202
- https://doi.org/10.2307/1351465
Abstract
During the 14-month collection period,Hemicyclops always appeared as naupliar stages andSaphirella as immature copepodite stages at 3 stations in the middle and lower estuary.Hemicyclops nauplii were abundant during late spring and summer, with a seasonal maximum of 7448/m3 in late spring at the upstream station.Saphirella stages were observed throughout the year, but higher population densities generally occurred in the summer and fall; the highest density was 3413/m3. Both species were usually more abundant upstream than downstream. The larvae may be life stages of a single bottom-dwelling species,Hemicyclops adhaerens.Keywords
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