Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/77535
Title: Seasonal changes in agar characteristics of two populations of Pterocladia capillacea in Gran Canaria, Spain
Authors: Freile Pelegrín, Y.
Robledo, D.
Armisén, R.
García-Reina, Guillermo 
UNESCO Clasification: 241707 Algología (ficología)
Keywords: Pterocladia capillacea
Agar
Seasonality
Issue Date: 1996
Project: CONACYT (21 1085-54956T)
Journal: Journal of Applied Phycology 
Abstract: Agar characteristics ofPterocladia capillacea were examined seasonally at two intertidal populations exposed to different wave energy on the northern rocky shore of Gran Canaria Island. Plants were collected monthly from August 1991 to July 1992. Agar yield, gel strength, melting and gelling temperature and chemical properties such as sulphate and pyruvate content were measured. Percent epiphytism was determined on both populations, together with the changes in biomass as dry weight. Specimens in the sheltered habitat were larger and more epiphytized than ones in the exposed area. There was a clear seasonal change in agar characteristics in both populations. Agar yields decreased in late spring and early summer, although in the sheltered habitat fluctuations were more erratic. Gel strength increased in winter, reaching a maximum in December–February. No significant differences were found in agar yield, gel strength or melting and gelling temperatures, but there was a difference between fresh to dry weight ratio. The role of the exposure degree as a possible environmental factor responsible for this behavior is discussed. Agars ofPterocladia capillacea from Canary Islands show characteristics for industrial use.
URI: http://hdl.handle.net/10553/77535
ISSN: 0921-8971
DOI: https://doi.org/10.1007/BF02184977
Source: Journal of Applied Phycology [ISSN 0921-8971], v, 8, p. 239–246
Appears in Collections:Artículos
Thumbnail
PDF
Adobe PDF (567,81 kB)
Show full item record

Page view(s)

11
checked on Mar 1, 2021

Download(s)

5
checked on Mar 1, 2021

Google ScholarTM

Check

Altmetric


Share



Export metadata



Items in accedaCRIS are protected by copyright, with all rights reserved, unless otherwise indicated.