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Mediterránea Serie de Estudios Biológicos
Article . 2011 . Peer-reviewed
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Comparación de las macroalgas epizóicas de la madreperla Pinctada mazatlanica (Hanley 1856) con las de fondos rocosos en la bahía de La Paz, Baja California Sur, México

Authors: Wright López, Humberto; Holguín Quiñones, Óscar; Sánchez-Lizaso, José Luis; Del-Pilar-Ruso, Yoana;

Comparación de las macroalgas epizóicas de la madreperla Pinctada mazatlanica (Hanley 1856) con las de fondos rocosos en la bahía de La Paz, Baja California Sur, México

Abstract

El presente estudio describe la comunidad de macroalgas epizóicas de Pinctada mazatlanica y la compara con la del substrato rocoso. Colectamos un total de 36 muestras de la comunidad de macroalgas, 18 muestras sobre ostras y otras tantas sobre substrato rocoso en la Península San Juan Nepomuceno, bahía de La Paz, México. Las algas fueron colectadas mediante buceo SCUBA raspando las distintas superficies (25 cm2 de substrato rocoso). El tamaño de muestra fue ajustado por curva de acumulación de especies y expresado con un modelo polinomial. Comparamos las comunidades de algas con análisis multivariantes de similitud basados en el índice de Bray-Curtis, entre substratos, diferentes alturas de ostras perleras y profundidades. Encontramos 27 especies de algas epizóicas (15.4% Clorophyta, 3.8% Phaeophyta y 80.8% Rhodophyta) con una disimilitud de 71.16% con respecto al substrato rocoso. El dendrograma mostró tres agrupaciones de macroalgas en P. mazatlanica. El primero caracterizado por Chondria, Jania, Herposiphonia tenella y Gracilaria. El segundo compuesto por Jania, Polysiphonia acuminata, P. decusata y Spyridia filamentosa. El tercero constituido por Polysiphonia sp., Jania, Herposiphonia tenella, Ceramium canouii y Amphiroa sp. Estas agrupaciones y los talos filamentosos de las algas epizóicas corresponden a estados iniciales de sucesión.

This study describes the algae community on Pinctada mazatlanica and compare it with the one the rocky substrate. We collected 36 samples, 18 from oysters and rocky substrate from the San Juan Nepomuceno Peninsula, La Paz Bay, Mexico. The algae were collected by SCUBA diving scraping the different surfaces (25 cm2 of rocky substrate). The sample size was adjusted by a species accumulation curve and expressed by the polynomial model. We applied multivariate analysis using Bray Curtis’ index, between substrates, different pearl oyster sizes and depths. We found 27 epizoic algae species (15.4% Clorophyta, 3.8% Phaeophyta and 80.8% Rhodophyta) with a dissimilarity of 71.16% between pearl oyster and rocky substrate. The cluster analysis grouped the epizoic algae of P. mazatlanica in three assemblages. The first group was formed by Chondria, Jania, Herposiphonia tenella and Gracilaria. The second group was characterized by Jania, Polysiphonia acuminata, P. decusata and Spyridia filamentosa. The third group includes Polysiphonia sp., Jania, Herposiphonia tenella, Ceramium canouii and Amphiroa sp. This assemblages and filamentous forms of epizootic algae of P. mazatlanica are in accord with the initial states of colonization.

Keywords

Macroalgas epizóicas, Epizootic macroalgae, Gulf of California, Similitudes, Zoología, Ecología, Pinctada mazatlanica, Golfo de California, Similarity

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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