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Title:	Summer phytoplankton and the hydrochemistry of the crater lake Laguna Azul (Santa Cruz, Argentina)
Authors:	Messyasz Beata Maidana Nora I. Mayr Christoph Lücke Andreas
Abstract:	The physical and chemical characteristics of depth profiles in the water column of Laguna Azul (Southern Patagonia, Argentina) were monitored in four subsequent summers (2002-2005). Due to its sheltered position in a volcanic crater, Laguna Azul is dimictic and stratified in summer, unlike most other lakes in the southeastern Patagonian Steppe. Summer stratification was also apparent in most of the monitored parameters. The austral summer seasons were characterized by low phytoplankton biomass and high diversity assemblage of mostly nanoplanktonic species. A distinct shift in the diatom assemblages was observed during the monitoring period which was possibly related to shifts in nutrient availability.
DOI:
Type of paper:	Original research paper
Pages:	95 to 105
Cytation:	Messyasz B., Maidana N., Mayr Ch., Lucke A., 2007, Summer phytoplankton and the hydrochemistry of the crater lake Laguna Azul (Santa Cruz, Argentina), Ocean. Hydrob. Studies, 36(Supl.1): 95-105
Keywords:	crater lake, summer phytoplankton, Patagonia, diatoms, green algae, stable isotopes
Year:	2007
Download:	Download file "345.pdf"