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

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...

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Bibliographic Details
Published in:Deep Sea Research Part II: Topical Studies in Oceanography
Main Authors: Unal, Ebru, Frost, Bruce W., Armbrust, Virginia, Kıdeyş, Ahmet Erkan
Format: Article in Journal/Newspaper
Language:unknown
Published: DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY 2006
Subjects:
Black Sea
Calanus euxinus
Calanus helgolandicus
Pseudocalanus elongatus
Phylogeography
Cytochrome oxidase
North Atlantic
Online Access:https://hdl.handle.net/11511/31769
https://doi.org/10.1016/j.dsr2.2006.03.017
Description
Summary: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.

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