Population structure of three dominant Calanus species

• Main Authors: Anna Prokopowicz, Louis Fortier, Instytut Oceanologii Polskiej Akademii Nauk
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 2002
• Subjects: Key words; Canadian Arctic; North Water Polynya; Calanus population; Arctic; Baffin Bay; Baffin; Calanus finmarchicus
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.566.6767; http://www.polish.polar.pan.pl/ppr23/ppr23-241.pdf

ABSTRACT: The population structures of Calanus finmarchicus, C. glacialis and C. hyperboreus were investigated in the recurrent polynya of the North Waters (NOW) in Baffin Bay during April–July 1998. Species were determined from samples collected by plankton nets of 300 µm and 200 µm mesh size. The highest concentration of all three spe− cies was found at the centre of study the area. C. hyperboreus was the most abundant spe− cies (44.54 ind. m–3). C. glacialis was recorded up to 27.14 ind. m–3, C. finmarchicus up to 5.63 ind. m–3. C. finmarchicus was reproducing in the northern end of Baffin Bay. The life cycle for C. glacialis was estimated at 2 years, and that of C. hyperboreus to last at least 4 years.