Experimental evaluation of the warming effect on viral, bacterial and protistan communities in two contrasting Arctic systems

E. Lara, J.M. Arrieta, I. García-Zarandona, J.A. Boras, Carlos Duarte, Susana Agusti, P.F. Wassmànn, D. Vaqué

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The effect of Arctic warming, which is 3 times faster than the global average, on microbial communities was evaluated experimentally to determine how increasing temperatures affect bacterial and viral abundance and production, protist community composition, and bacterial loss rates (bacterivory and lysis) in 2 contrasting Arctic marine systems. In July 2009, we collected samples from open Arctic waters in the Barents Sea and Atlantic-influenced waters in Isfjorden, Svalbard Islands (Fjord waters). The samples were used in 2 microcosm experiments at 7 temperatures, ranging from 1.0 to 10.0°C. In the open Arctic microbial community, collected at
Original languageEnglish
Pages (from-to)17-32
JournalAquatic Microbial Ecology
Volume70
Issue number1
DOIs
Publication statusPublished - 2013

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