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dc.contributor.author
Jiang, Hongxia
dc.contributor.author
Gao, Kunshan
dc.contributor.author
Helbling, Eduardo Walter
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dc.date.available
2020-04-07T16:53:47Z
dc.date.issued
2007-02
dc.identifier.citation
Jiang, Hongxia; Gao, Kunshan; Helbling, Eduardo Walter; Effects of solar UV radiation on germination of conchospores and morphogenesis of sporelings in Porphyra haitanensis (Rhodophyta); Springer; Marine Biology; 151; 5; 2-2007; 1751-1759
dc.identifier.issn
0025-3162
dc.identifier.uri
http://hdl.handle.net/11336/102169
dc.description.abstract
The eVects of ultraviolet radiation (UVR 280–400 nm) on the germination of Porphyra haitanensis conchospores and on the growth and morphogenesis of the subsequent sporelings were investigated by culturing the released conchospores under natural sunlight from 29 September to 6 October 2005. Germination increased with time and was faster when UV-Bwas excluded using cut-oV Wlters. There were signicant negative eVects of UV-B radiation on growth and cell division of sporelings, with decreases up to 18% for thallus length, between 6 and 18% for thallus width, up to 29% for thallus area, and between 6 and 14% for cell size as compared to PAR-controls. UV-A had a signicant positive eVect on morphogenesis, enhancing the formation of sporelings with cells dividing transversely; on the other hand, UV-B delayed the formation of such sporelings. We also tested the eVects of solar UVR on the growth of P. haitanensis juveniles and found no signiWcant eVects. Our results indicate that UV-A has an important role in the germination and morphogenesis of the species, but on the other hand, sporelings of P. haitanensis are more sensitive to UV-B radiation than juveniles.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject.classification
Otros Tópicos Biológicos
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Effects of solar UV radiation on germination of conchospores and morphogenesis of sporelings in Porphyra haitanensis (Rhodophyta)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-04-06T16:12:13Z
dc.journal.volume
151
dc.journal.number
5
dc.journal.pagination
1751-1759
dc.journal.pais
Alemania
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dc.description.fil
Fil: Jiang, Hongxia. Shantou University; China
dc.description.fil
Fil: Gao, Kunshan. Shantou University; China
dc.description.fil
Fil: Helbling, Eduardo Walter. Fundación Playa Unión. Estación de Fotobiología Playa Unión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Marine Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00227-007-0632-1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00227-007-0632-1
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