Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica)
This work constitutes the first floristic and ecological analysis of the phytoplankton community of a volcanic freshwater lake in Deception Island (62°57′S, 60°38′W, South Shetland Islands, Antarctica). The main limnological features and phytoplankton size fractions were analyzed. Samples were taken...
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2007
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07224060_v30_n7_p849_Llames http://hdl.handle.net/20.500.12110/paper_07224060_v30_n7_p849_Llames |
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paper:paper_07224060_v30_n7_p849_Llames2023-06-08T15:43:33Z Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) Antarctica Deception Island Limnology Phytoplankton Volcanic lakes abundance alga chlorophyll community dynamics freshwater environment lacustrine environment limnology nanoplankton phytoplankton population size species richness Antarctica Deception Island South Shetland Islands algae Bacillariophyceae Chrysophyceae This work constitutes the first floristic and ecological analysis of the phytoplankton community of a volcanic freshwater lake in Deception Island (62°57′S, 60°38′W, South Shetland Islands, Antarctica). The main limnological features and phytoplankton size fractions were analyzed. Samples were taken during the austral summer of 2002 at two opposite sites. According to ANOVA results performed with abiotic variables, no significant differences between sites were found. The phytoplankton community showed low algal species richness, with an important contribution of the tychoplanktonic taxa. In terms of species number, Bacillariophyceae was the dominant class. Autotrophic picoplankton registered the highest densities from the second sampling date onwards. Nanophytoplankton was represented by unidentified chrysophycean organisms, which showed different distribution patterns between sites. The net phytoplankton abundance remained low during the sampling period and was strongly correlated with chlorophyll a concentration. Both nutrient concentrations and chlorophyll a values indicated oligotrophic conditions. © 2007 Springer-Verlag. 2007 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07224060_v30_n7_p849_Llames http://hdl.handle.net/20.500.12110/paper_07224060_v30_n7_p849_Llames |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Antarctica Deception Island Limnology Phytoplankton Volcanic lakes abundance alga chlorophyll community dynamics freshwater environment lacustrine environment limnology nanoplankton phytoplankton population size species richness Antarctica Deception Island South Shetland Islands algae Bacillariophyceae Chrysophyceae |
| spellingShingle |
Antarctica Deception Island Limnology Phytoplankton Volcanic lakes abundance alga chlorophyll community dynamics freshwater environment lacustrine environment limnology nanoplankton phytoplankton population size species richness Antarctica Deception Island South Shetland Islands algae Bacillariophyceae Chrysophyceae Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) |
| topic_facet |
Antarctica Deception Island Limnology Phytoplankton Volcanic lakes abundance alga chlorophyll community dynamics freshwater environment lacustrine environment limnology nanoplankton phytoplankton population size species richness Antarctica Deception Island South Shetland Islands algae Bacillariophyceae Chrysophyceae |
| description |
This work constitutes the first floristic and ecological analysis of the phytoplankton community of a volcanic freshwater lake in Deception Island (62°57′S, 60°38′W, South Shetland Islands, Antarctica). The main limnological features and phytoplankton size fractions were analyzed. Samples were taken during the austral summer of 2002 at two opposite sites. According to ANOVA results performed with abiotic variables, no significant differences between sites were found. The phytoplankton community showed low algal species richness, with an important contribution of the tychoplanktonic taxa. In terms of species number, Bacillariophyceae was the dominant class. Autotrophic picoplankton registered the highest densities from the second sampling date onwards. Nanophytoplankton was represented by unidentified chrysophycean organisms, which showed different distribution patterns between sites. The net phytoplankton abundance remained low during the sampling period and was strongly correlated with chlorophyll a concentration. Both nutrient concentrations and chlorophyll a values indicated oligotrophic conditions. © 2007 Springer-Verlag. |
| title |
Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) |
| title_short |
Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) |
| title_full |
Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) |
| title_fullStr |
Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) |
| title_full_unstemmed |
Phytoplankton structure and dynamics in a volcanic lake in Deception Island (South Shetland Islands, Antarctica) |
| title_sort |
phytoplankton structure and dynamics in a volcanic lake in deception island (south shetland islands, antarctica) |
| publishDate |
2007 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07224060_v30_n7_p849_Llames http://hdl.handle.net/20.500.12110/paper_07224060_v30_n7_p849_Llames |
| _version_ |
1768545469391175680 |