Benthic foraminifera in the Arctic Ocean ...

• Main Authors: Wollenburg, Jutta Erika, Kuhnt, Wolfgang
• Format: Article in Journal/Newspaper
• Language: English
• Published: PANGAEA 2000
• Subjects: Giant box corer; MiniCorer; MultiCorer; ARK-VIII/2; ARK-VIII/3; ARK-IX/4; ARK-XI/1; Polarstern; Paleoenvironmental Reconstructions from Marine Sediments @ AWI AWI_Paleo; Quaternary Environment of the Eurasian North QUEEN; Arctic; Arctic Ocean; Laptev Sea; Foraminifera*; laptev; Spitsbergen
• Online Access: https://dx.doi.org/10.1594/pangaea.728293; https://doi.pangaea.de/10.1594/PANGAEA.728293

We examine the quantitative composition of benthic foraminiferal assemblages of Rose Bengal-stained surface samples from 37 stations in the Laptev Sea, and combine this data set with an existing data set along a transect from Spitsbergen to the central Arctic Ocean. Foraminiferal test accumulation rates, diversity, faunal composition and statistically defined foraminiferal associations are analysed for living (Rose Bengal-stained) and dead foraminifers. We compare the results of several benthic foraminiferal diversity indices and statistically defined foraminiferal associations, including Fisher's alpha and Shannon-Wiener diversity indices, Q-mode principal component analysis and correspondence analysis. Diversity and faunal density (standing stock) of living benthic foraminifers are positively correlated to trophic resources. In contrast, the accumulation rate of dead foraminifers (BFAR) shows fluctuating values depending on test disintegration processes. Foraminiferal associations defined by Q-mode ... : Supplement to: Wollenburg, Jutta Erika; Kuhnt, Wolfgang (2000): The response of benthic foraminifers to carbon flux and primary production in the Arctic Ocean. Marine Micropaleontology, 40(3), 189-231 ...