Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/50036
Title: Physiological comparison between gametophytes and tetrasporophytes of Gelidium canariensis (Gelidiaceae: Rhodophyta)
Authors: Sosa, P. A. 
del Río Jiménez, M.
García-Reina, G. 
UNESCO Clasification: 241719 Fisiología vegetal
Keywords: Calonfic content
Enzyrne activity
Gametophytes
Gelidium canariensis
Photosynthesis, et al
Issue Date: 1993
Publisher: 0018-8158
Journal: Hydrobiologia 
Abstract: The physiological performances of tetrasporophytes and gametophytes of Gelidium canariensis (Grunow) Seoane-Camba were compared to estimate whether the field predominance of tetrasporophytes is due to lower fitness of gametophytes. No significant differences between tetrasporophytes and gametophytes were detected for calorific content, protein and pigment concentrations, NADH-Diaphorase, alkaline phosphatase and glucose-6-phosphate dehydrogenase activities and photosynthesis and respiration at 15, 20 and 25 °C, and pH 6.5, 8.2 and 9.2. Our results indicate that these physiological characteristics are not responsible for the scarcity of gametophytes in the field populations of G. canariensis.
URI: http://hdl.handle.net/10553/50036
ISSN: 0018-8158
DOI: 10.1007/BF00049054
Source: Hydrobiologia [ISSN 0018-8158], v. 260-261, p. 445-449
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