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Comparison of bacterial production in the water column between two Arctic fjords, Hornsund and Kongsfjorden (West Spitsbergen)

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Bacterial production and the accompanying environmental factors were measured in the water columns of two Arctic fjords during the cruise in July and August 2013. Water samples were collected at six stations located in the central part of Hornsund and Kongsfjorden. In Hornsund, where average water temperatures were 1.25-fold lower than in Kongsfjorden, the bacterial production was twice as high (0.116 ± 0.102 vs 0.05 ± 0.03 mg C m−3 h−1). Statistical analysis indicated that chlorophyll a concentration itself was not a significant factor that affected bacterial production, in contrast to its decomposition product, pheophytin, originating from senescent algal cells or herbivorous activity of zooplankton. Single and multiple regression analysis revealed that water temperature, dissolved organic carbon (DOC), and pheophytin concentration were the main factors affecting bacterial production in both fjords.
Czasopismo
Rocznik
Strony
496--507
Opis fizyczny
Bibliogr. 48 poz., mapy, rys., tab., wykr.
Twórcy
autor
  • National Marine Fisheries Research Institute, Department of Fisheries Oceanography and Marine Ecology, Gdynia, Poland
  • Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, Gdańsk, Poland
  • Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, Gdańsk, Poland
  • Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
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Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-389aa1e0-1767-4a1a-8bba-b47684a0a5ed
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