Protist grazing and viral lysis as prokaryotic mortality factors at Baltic Sea oxic−anoxic interfaces

Autor:	Klaus Jürgens, Christian Winter, Ruth Anderson
Rok vydání:	2012
Předmět:	Bacterivore Microbial food web Ecology biology Coleps Heterotroph Protist Pelagic zone Aquatic Science biology.organism_classification medicine.disease_cause Anoxic waters Lates medicine Ecology Evolution Behavior and Systematics
Zdroj:	Marine Ecology Progress Series. 467:1-14
ISSN:	1616-1599 0171-8630
DOI:	10.3354/meps10001
Popis:	Interface zones between oxic and anoxic water masses (pelagic redoxclines) host highly active prokaryotic communities, mediating important biogeo- chemical transformations. However, for marine pelagic redoxclines almost no knowledge exists on the magni- tude of the loss processes affecting these prokaryotic communities. We assessed the importance of protist grazing and viral lysis as prokaryotic mortality factors for 2 central Baltic Sea redoxclines using a combination of microscopy and experimental community manipula- tion techniques. Our results demonstrate that protist grazing dominated prokaryotic mortality at suboxic (
Databáze:	OpenAIRE
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