Recent distribution of Echinodermata species in Spitsbergen coastal waters

Thirty-two species of echinoderms from epibenthic sledges, dredges, scuba diving, and other samples (in total: 467 samples and c. 20 000 specimens) from fjords and coastal waters off Spitsbergen were analysed between 1996 and 2014. The most numerous group of echinoderms in the coastal waters off Spi...

Full description

Bibliographic Details
Published in:Polish Polar Research
Main Authors: Deja Kajetan, Węsławski Jan Marcin, Borszcz Tomasz, Włodarska-Kowalczuk Maria, Kukliński Piotr, Bałazy Piotr, Kwiatkowska Patrycja
Format: Article in Journal/Newspaper
Language:English
Published: Polish Academy of Sciences 2016
Subjects:
Arctic
fjords
Echinodermata
climate change
species distribution
megabenthos
Geology
QE1-996.5
Climate change
Polar Research
Spitsbergen
Online Access:https://doi.org/10.1515/popore-2016-0027
https://doaj.org/article/fc1de4203fa248a2968a4188d4fad85e
Description
Summary:Thirty-two species of echinoderms from epibenthic sledges, dredges, scuba diving, and other samples (in total: 467 samples and c. 20 000 specimens) from fjords and coastal waters off Spitsbergen were analysed between 1996 and 2014. The most numerous group of echinoderms in the coastal waters off Spitsbergen is brittle stars (78% of the total individuals). The echinoderms do not form any clear assemblages according to depth or distance from glacial sedimentation and substrate. Some species prefer hard bottom (Strongylocentrotus droebachiensis) or water free from glacial suspensions (Ophiopholis aculeata). In contrast to the species listed above, we also found opportunistic species such as the starfish Urasterias lincki and the brittle star Ophiocten sericeum. These two species are distributed quite uniformly, regardless of the environmental factors. The majority of the species prefer a soft bottom below 200 m.

Similar Items