Abstract
Vegetative reproduction of Chondracanthus chamissoi by means of fragmentation and re-attachment of thalli is considered an effective strategy for maintaining natural populations of this species. Here, we evaluate the effects of (1) time of drifting thallus, (2) type of substratum, and (3) photon flux density, on the re-attachment capacity of thallus fragments of C. chamissoi. The results show that re-attachment decreases with the time after detachment, and was higher at the lower photon flux densities tested (10 and 40 μmol photons m−2s−1), and on calcareous substratum. Secondary attachment discs are formed along the entire surface of the fragment.
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References
Buggeln R (1981) Morphogenesis and growth regulators. In: Lobban CS, Wynne MJ (eds) The biology of seaweeds. Blackwell, Oxford
Bulboa C, Macchiavello J, Oliveira E, Fonck E (2005) First attempt to cultivate the carrageenan-producing seaweed Chondracanthus chamissoi (C. Agardh) Kützing (Rhodophyta; Gigartinales) in Northern Chile. Aqua Res 36:1069–1074
Carmona R, Santos R (2006) Is there an ecophysiologocal explanationfor the gametophyte-tetrasporophyte ratio in Gelidium sesquipedale (Rhodophyta)? J Phycol 42:259–269
D’Antonio C, Gibor A (1985) A note on some influences of photon flux density on the morphology of germlings of Gelidium robustum (Gelidiales, Rhodophyta) in culture. Bot Mar 28:313–316
Floc’h J, Deslandes E, Le Gall (1987) Evidence for vegetative propagation of the carrageenophyte Solieria chordalis (Solieriaceae, Rhodophyceae) on the coast of Brittany (France) and in culture. Bot Mar 30:315–321
González J, Meneses I, Vásquez J (1997) Field studies in Chondracanthus chamissoi (C. Agardh) Kützing: seasonal and spatial variations in life-cycle phases. Biol Pesq 26:3–12
Macchiavello J, Bulboa C, Edding M (2003) Vegetative propagation and spore recruitment in the carrageenophyte Chondracanthus chamissoi (Rhodophyta, Gigartinales) in northern Chile. Phycol Res 51:45–50
Norton TA, Mathieson AC (1983) The biology of unattached seaweeds. In: Round F, Chapman D (eds) Progress in phycological research, vol 2. Elsevier, Amsterdam
Robinson K, Cone R (1980) Polarization of fucoid eggs by a calcium ionophore gradient. Science 207:77–78
Salinas JM (1991) Spray system for re-attachment of Gelidium sesquipedale (Clem.) Born. et Thur. (Gelidiales: Rhodophyta). Hydrobiologia 221:107–117
Santelices B, Varela D (1994) Abiotic control of reattachment in Gelidium chilense (Montagne) Santelices & Montalva (Gelidiales; Rhodophyta). J Exp Mar Biol Ecol 177:145–155
Thomsen M, Wernberg T (2005) Miniview: what affects the forces required to break or dislodge macroalgae? Eur J Phycol 40:139–148
Acknowledgments
We are grateful to the staff of Marine Botany Laboratory (UCN) for field assistance. We also thank Eurico Oliveira and E. Macaya for discussion and comments on the manuscript.
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Fonck, E., Martínez, R., Vásquez, J. et al. Factors that affect the re-attachment of Chondracanthus chamissoi (Rhodophyta, Gigartinales) thalli. J Appl Phycol 20, 311–314 (2008). https://doi.org/10.1007/s10811-007-9251-y
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DOI: https://doi.org/10.1007/s10811-007-9251-y