Phylogeography of Calanus helgolandicus and the Black Sea copepod Calanus euxinus, with notes on Pseudocalanus elongatus (Copepoda, Calanoida)

Date

2006-01-01

Author

Unal, Ebru
Frost, Bruce W.
Armbrust, Virginia
Kıdeyş, Ahmet Erkan

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Calanus helgolandicus is a widespread epipelagic copepod species whose geographical range extends from the temperate Atlantic Ocean to the northern Mediterranean Sea. Calanus euxinus, recently designated as a distinct species though closely related to C. helgolandicus, occurs in the Black Sea. Very subtle morphological differences distinguish the two species. Pseudocalanus elongatus has a similar geographic range including North Atlantic Ocean, Mediterranean Sea and the Black Sea. In this study, population genetic variation of C helgolandicus, C euxinus and P. elongatus was investigated using DNA sequence variation of 540 base pair (Calanus spp.) and 575 base pair (P. elongatus) regions of mitochondrial cytochrome oxidase I (mtCOI) gene. C helgolandicus was collected from the English Channel, the Adriatic Sea, and C euxinus was collected from various regions of the Black Sea. P. elongatus was collected from the English Channel and the Black Sea.

Subject Keywords

Black Sea, Calanus euxinus, Calanus helgolandicus, Pseudocalanus elongatus, Phylogeography, Cytochrome oxidase

URI

https://hdl.handle.net/11511/31769

Collections

Graduate School of Marine Sciences, Article