Diatoms from a patagonic-antarctic transect

This study analyses the geographical variations in the floristic composition and in the species richness of diatoms taken from 85 water bodies along a transect included in the southern Santa Cruz province, south of Tierra del Fuego province and maritime Antarctica (South Shetland Islands and Antarct...

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Bibliographic Details
Main Authors: Maidana, N.I., Izaguirre, I., Vinocur, A., Mataloni, G., Pizarro, H.
Format: Journal/Newspaper
Language:unknown
Subjects:
Online Access:https://hdl.handle.net/20.500.12110/paper_03275477_v15_n2_p159_Maidana
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record_format openpolar
spelling ftunibueairesbd:todo:paper_03275477_v15_n2_p159_Maidana 2023-10-29T02:31:39+01:00 Diatoms from a patagonic-antarctic transect Maidana, N.I. Izaguirre, I. Vinocur, A. Mataloni, G. Pizarro, H. https://hdl.handle.net/20.500.12110/paper_03275477_v15_n2_p159_Maidana unknown http://hdl.handle.net/20.500.12110/paper_03275477_v15_n2_p159_Maidana info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar Argentina Bacillariophyceae Lakes Maritime Antarctica Patagonia diatom floristics geographical variation lake species richness Antarctic Peninsula Antarctica Santa Cruz [Argentina] South America South Shetland Islands Tierra del Fuego [(PRV) Argentina] West Antarctica Bacillariophyta JOUR ftunibueairesbd https://doi.org/20.500.12110/paper_03275477_v15_n2_p159_Maidana 2023-10-05T01:29:51Z This study analyses the geographical variations in the floristic composition and in the species richness of diatoms taken from 85 water bodies along a transect included in the southern Santa Cruz province, south of Tierra del Fuego province and maritime Antarctica (South Shetland Islands and Antarctic Peninsula). Endemic and cosmopolitan species were found. The data provided will contribute to answer some of the basic questions related to the origin of the Antarctic diatom species. Two hundred and sixty nine taxa were identified, with only 19 (7.1%) present simultaneously in Santa Cruz, Tierra del Fuego and Antarctica, with an evident decrease on the species richness with increasing latitudes. The high number of common species found between Patagonia and Antarctica, would support the hypothesis that most diatoms found in the studied Antarctic area would have been dispersed from the southernmost area of South America. This enhances the importance of this region as a propagule source for the Antarctica. Fil:Maidana, N.I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Izaguirre, I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Vinocur, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Mataloni, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pizarro, H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica South Shetland Islands West Antarctica Tierra del Fuego Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
institution Open Polar
collection Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
op_collection_id ftunibueairesbd
language unknown
topic Argentina
Bacillariophyceae
Lakes
Maritime Antarctica
Patagonia
diatom
floristics
geographical variation
lake
species richness
Antarctic Peninsula
Antarctica
Santa Cruz [Argentina]
South America
South Shetland Islands
Tierra del Fuego [(PRV) Argentina]
West Antarctica
Bacillariophyta
spellingShingle Argentina
Bacillariophyceae
Lakes
Maritime Antarctica
Patagonia
diatom
floristics
geographical variation
lake
species richness
Antarctic Peninsula
Antarctica
Santa Cruz [Argentina]
South America
South Shetland Islands
Tierra del Fuego [(PRV) Argentina]
West Antarctica
Bacillariophyta
Maidana, N.I.
Izaguirre, I.
Vinocur, A.
Mataloni, G.
Pizarro, H.
Diatoms from a patagonic-antarctic transect
topic_facet Argentina
Bacillariophyceae
Lakes
Maritime Antarctica
Patagonia
diatom
floristics
geographical variation
lake
species richness
Antarctic Peninsula
Antarctica
Santa Cruz [Argentina]
South America
South Shetland Islands
Tierra del Fuego [(PRV) Argentina]
West Antarctica
Bacillariophyta
description This study analyses the geographical variations in the floristic composition and in the species richness of diatoms taken from 85 water bodies along a transect included in the southern Santa Cruz province, south of Tierra del Fuego province and maritime Antarctica (South Shetland Islands and Antarctic Peninsula). Endemic and cosmopolitan species were found. The data provided will contribute to answer some of the basic questions related to the origin of the Antarctic diatom species. Two hundred and sixty nine taxa were identified, with only 19 (7.1%) present simultaneously in Santa Cruz, Tierra del Fuego and Antarctica, with an evident decrease on the species richness with increasing latitudes. The high number of common species found between Patagonia and Antarctica, would support the hypothesis that most diatoms found in the studied Antarctic area would have been dispersed from the southernmost area of South America. This enhances the importance of this region as a propagule source for the Antarctica. Fil:Maidana, N.I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Izaguirre, I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Vinocur, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Mataloni, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pizarro, H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
format Journal/Newspaper
author Maidana, N.I.
Izaguirre, I.
Vinocur, A.
Mataloni, G.
Pizarro, H.
author_facet Maidana, N.I.
Izaguirre, I.
Vinocur, A.
Mataloni, G.
Pizarro, H.
author_sort Maidana, N.I.
title Diatoms from a patagonic-antarctic transect
title_short Diatoms from a patagonic-antarctic transect
title_full Diatoms from a patagonic-antarctic transect
title_fullStr Diatoms from a patagonic-antarctic transect
title_full_unstemmed Diatoms from a patagonic-antarctic transect
title_sort diatoms from a patagonic-antarctic transect
url https://hdl.handle.net/20.500.12110/paper_03275477_v15_n2_p159_Maidana
genre Antarc*
Antarctic
Antarctic Peninsula
Antarctica
South Shetland Islands
West Antarctica
Tierra del Fuego
genre_facet Antarc*
Antarctic
Antarctic Peninsula
Antarctica
South Shetland Islands
West Antarctica
Tierra del Fuego
op_relation http://hdl.handle.net/20.500.12110/paper_03275477_v15_n2_p159_Maidana
op_rights info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/2.5/ar
op_doi https://doi.org/20.500.12110/paper_03275477_v15_n2_p159_Maidana
_version_ 1781052349606789120