Fróðskaparrit - 01.01.2001, Side 121

ARMFÓTINGAR (BRACHIOPODA) í FØROYSKUM ØKI
125
Water mass (Fig. 8)
The close connection between the
distribution of the brachiopods and the
individual water masses in the area is
clearly demonstrated in Fig. 8. Brattegard
and Meland (1997) provide information on
the different water masses.
Generally all the BIOFAR brachiopod
species, with the exception of D. septigera,
are mostly confined to the Atlantic Water
(AW - temperature above 7°C), but a
mixture of Atlantic Water and Arctic Inter-
mediate Water (AI - temperature range 3.5-
7°C) are also important, the species show-
ing a temperature preference above 6°C (as
stated previously). D. septigera having a
greater temperature tolerance seems to
prefer a mixture of Atlantic Water and Arc-
tic Intermediate Water.
Acknowledgements
I am indepted to Professor, dr. Ame Nørrevang who sug-
gested that I should undertake this study. I also wish to
thank dr. Ole Tendal for providing answers to many last
moment questions regarding previously published
records.
The staff at Kaldbak Marine Laboratory did the pre-
liminary sorting out of the brachiopods from the recov-
ered samples and provided the distribution maps. Anne
Gundersen, Tromsø University Museum, improved the
maps and drew Figs 7 and 8.
The BIOFAR programme was funded by the Nordic
Council of Ministers, the Nordic Council of Marine Bi-
ology, the Danish Carlsberg Foundation, the Faroese
Government and Faroese financial institutions. In addi-
tion the present study was financially supported by the
University of Tromsø and private means.
Contribution to the BIOFAR research programme.
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