Structure of a polychaete community in a mangrove in the northern coast of Brazil
Title (trans.)
Estructura de la comunidad de poliquetos en un manglar de la costa norte de BrasilEntity
UAM. Departamento de BiologíaPublisher
Universidad Nacional de ColombiaDate
2018-09Citation
10.15446/abc.v23n3.67245
Acta Biológica Colombiana 23.3 (2018): 286-294
ISSN
0120-548X (print); 1900-1649 (online)DOI
10.15446/abc.v23n3.67245Funded by
The authors are thankful to the National Council for Scientific and Technological Development–CNPq for the financial support provided through a research scholarship granted to the first author, which allowed the execution of this studyEditor's Version
http://dx.doi.org/10.15446/abc.v23n3.67245Subjects
Annelids; Diversity; Estuaries; Soft bottoms; Variation; Biología y Biomedicina / Biología
Esta obra está bajo una licencia de Creative Commons Reconocimiento-NoComercial-CompartirIgual 4.0 Internacional.
Abstract
Polychaetes play an important role in the structure and functioning of benthic communities in mangroves; however, knowledge about these organisms in the Maranhão Amazon coast is scarcity. This study analyzed the ecological aspects of polychaete community in the Quebra Pote mangrove in Maranhão State. Four sampling campaigns were carried out during both rainy and dry periods between November 2013 and July 2014, using 100 meters long transects set perpendicular to the waterline at three zones 50 m between them. A total of 521 organisms were identified belonging to ten families and 15 species; Nephtys simoni, Notomastus sp., and Paraonis sp. represented 58.92 % of all samples. Mobile deposit-feeders polychaetes were dominant and abundant. The Quebra Pote mangrove showed high values of diversity and evenness. The spatial distribution indicated that several species such as Capitella sp., Heteromastus sp., N. simoni, Notomastus sp., Paradoneis sp., Paraonis sp., Scoloplostexana, Sigambra grubei, and Syllis gracilis magellanica were present in all mangrove zones. The diversity and abundance of polychaetes were greater in lower mesolittoral (Zone 1), with a dominance of Avicennia schaueriana. The abundance of polychaetes decreased along transects from the lower mesolittoral to upper mesolittoral areas, suggesting that the presence of domestic sewage effects supersedes the vegetation effect Los poliquetos desempeñan un importante papel en la estructura y funcionamiento de las comunidades bentónicas de manglares; sin embargo, el conocimiento sobre estos organismos permanece escaso en la costa amazónica de Maranhão, Brasil. Este estudio analizó los aspectos ecológicos de la comunidad de poliquetos del manglar Quebra Pote, Estado de Maranhão. Se realizaron cuatro recolectas durante el período de secas y lluvias, entre noviembre 2013 y julio 2014, se delimitó un transecto de 100 metros de longitud, perpendicular a la línea de agua, con tres zonas distantes entre sí de 50 m. Se cuantificaron 521 individuos distribuidos en diez familias y 15 especies; Nephtys simoni, Notomastus sp. y Paraonis sp., correspondieron al 58,92 % del total muestreado. Los poliquetos detritívoros móviles fueron dominantes y abundantes. El manglar Quebra Pote presentó elevados valores de diversidad y equidad. En la distribución espacial, se observó que varias especies estuvieron presentes en todas las zonas del manglar, por ejemplo Capitella sp., Heteromastus sp., N. simoni, Notomastus sp., Paradoneis sp., Paraonis sp., Scoloplos texana, Sigambra grubei y Syllis gracilis magellanica. La diversidad y abundancia de poliquetos fueron mayores en el mediolitoral inferior (Zona 1), con predominio de Avicennia schaueriana. A lo largo de las zonas se observó que la abundancia de poliquetos decrece del mediolitoral inferior hacia al mediolitoral superior, probablemente como consecuencia del desagüe doméstico, que suplantó el efecto de la vegetación
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Google Scholar:Tavares Cutrim, Allana Stéphanie
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Santos Sousa, Lorena Karine
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Passos Ribeiro, Rannyele
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De Oliveira, Verónica María
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Silva da Almeida, Zafira da
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