SEASONAL DYNAMICS OF BENTHIC FORAMINIFERA IN A GLACIALLY FED FJORD OF SVALBARD, EUROPEAN ARCTIC

Abstract

Research Article| October 01, 2000 SEASONAL DYNAMICS OF BENTHIC FORAMINIFERA IN A GLACIALLY FED FJORD OF SVALBARD, EUROPEAN ARCTIC Sergei Korsun; Sergei Korsun 1Department of Invertebrate Zoology, Faculty of Biology, St. Petersburg University, Universitetskaya nab. 7/9, St. Petersburg 199034 Russia, E-mail: s_korsun@geo.sio.rssi.ru Search for other works by this author on: GSW Google Scholar Morten Hald Morten Hald 2University of Tromsø, Department of Geology, N-9037 Tromsø, Norway, E-mail: Morten.Hald@ibg.uit.no Search for other works by this author on: GSW Google Scholar Journal of Foraminiferal Research (2000) 30 (4): 251–271. https://doi.org/10.2113/0300251 Article history received: 21 Sep 1999 accepted: 03 Apr 2000 first online: 03 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share MailTo Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation Sergei Korsun, Morten Hald; SEASONAL DYNAMICS OF BENTHIC FORAMINIFERA IN A GLACIALLY FED FJORD OF SVALBARD, EUROPEAN ARCTIC. Journal of Foraminiferal Research 2000;; 30 (4): 251–271. doi: https://doi.org/10.2113/0300251 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyJournal of Foraminiferal Research Search Advanced Search Abstract Seasonal variations in benthic foraminiferal populations from a sediment-laden fjord were analyzed in order to provide insights into arctic foraminiferal ecology and to improve the interpretation of the late-glacial record. The fjord is 25 km long and 100 m deep with a large tidewater glacier at the fjord head. A pilot transect of eight stations sampled in August 1995 revealed the typical off-glacier sequence of foraminiferal taxa. Unidentified allogromiids were abundant in the vicinity of the ice front. Further down the fjord Elphidium excavatum f. clavatum and Cassidulina reniforme co-dominated the glacier-proximal fauna. Nonionellina labradorica and Islandiella norcrossi characterized the glacier-distal setting. In 1996 three glacier-proximal stations were then sampled in March, May, July, August, September and November. Compared to the summer of 1995 the summer of 1996 was colder, resulting in weaker glacial meltwater discharge, and the foraminiferal fauna became less influenced by glaciers. This is portrayed by an increase in glacier-distal N. labradorica and a decrease in glacier-proximal C. reniforme and especially E. excavatum. Taxonomic diversity was higher in winter, possibly reflecting a more stable environment in the absence of the turbid meltwater plume, the source of ecological stress. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.