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Rev. biol. mar. oceanogr. 46(2): 257-262
Research Note


Spatial distribution of epiphytes along the thallus of the introduced macroalga, Codium fragile subsp. tomentosoides

in the subtidal zone of Caldera

Cristóbal Villaseñor-Parada1 and Paula E. Neill1

1Departamento de Ecología, Facultad de Ciencias, Universidad Católica de la Santísima Concepción, Casilla 297, Concepción, Chile 




Codium fragile subsp. tomentosoides is an introduced macroalga on  the coast of Chile. We identified and quantified the epiphytes present in basal, intermediate and apical sections of 32 thalli. The accumulation of epiphytes over time would explain why older sections of the thallus (basal and intermediate sections) host a greater amount of epiphytes, and why the composition of epiphyte assemblages in these sections is similar.  In contrast, newer sections (apical) have been available for colonization for less time, resulting in a lower epiphyte load, and the composition of assemblages from this section differs from that of the rest of the thallus.


Key words: Epiphyte load, colonization, introduced species, biological substrate 



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