A preliminary survey of cryobiontic algal communities from Cierva Point (Antarctic Peninsula)

Algal communities colouring snow and ice were studied at fourteen sites on Cierva Point (Danco Coast, Antarctic Peninsula). Chlorophyta were the dominant group in cryobiontic communities, both in species richness and abundance. Cyanobacteria and diatoms, in turn, showed a higher species number at lo...

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Autor principal: Mataloni, G.
Otros Autores: Tesolín, G.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1997
Acceso en línea:Registro en Scopus
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100 1 |a Mataloni, G. 
245 1 2 |a A preliminary survey of cryobiontic algal communities from Cierva Point (Antarctic Peninsula) 
260 |c 1997 
270 1 0 |m Mataloni, G.; Depto. Cs. Biologicas, Fac. de Cs. Exactas y Naturales, Universidad de Buenos Aires, Pab. II - C. Universitaria, (1428) Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
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520 3 |a Algal communities colouring snow and ice were studied at fourteen sites on Cierva Point (Danco Coast, Antarctic Peninsula). Chlorophyta were the dominant group in cryobiontic communities, both in species richness and abundance. Cyanobacteria and diatoms, in turn, showed a higher species number at low altitude, well drained temporary snow fields, probably denoting a cryoxenic character. Descriptions of the six species newly recorded for Antarctica are given, and the taxonomic position of some Scotiella, Trochiscia and Koliella species is discussed. Further research is needed to assess the importance of various stress factors in the progressive drop in species richness and biosynthesis of secondary carotenoids associated with a change in snow colour from green to orange-red to pink-red.  |l eng 
593 |a Depto. Cs. Biológicas, Universidad de Buenos Aires, Pab. II - C. Universitaria, (1428) Buenos Aires, Argentina 
690 1 0 |a ALGAE 
690 1 0 |a ANTARCTICA 
690 1 0 |a CRYOBIONTIC COMMUNITIES 
690 1 0 |a ECOLOGY 
690 1 0 |a SNOW 
690 1 0 |a ALGAL COMMUNITY 
690 1 0 |a CYANOBACTERIA 
690 1 0 |a DIATOM 
690 1 0 |a SPECIES RICHNESS 
690 1 0 |a ANTARCTICA, DANCO COAST, CIERVA POINT 
690 1 0 |a CHLOROPHYCEAE 
690 1 0 |a KOLIELLA 
690 1 0 |a SCOTIELLA 
690 1 0 |a TROCHISCIA 
700 1 |a Tesolín, G. 
773 0 |d 1997  |g v. 9  |h pp. 250-257  |k n. 3  |p ANTARCT. SCI.  |x 09541020  |w (AR-BaUEN)CENRE-9690  |t Antarctic Science 
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