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Colony growth in the harvested octocoral Pseudopterogorgia acerosa in a Caribbean coral reef

2010; Wiley; Volume: 31; Issue: 4 Linguagem: Inglês

10.1111/j.1439-0485.2010.00397.x

1439-0485

Nini Johana Cadena, Juan A. Sánchez,

Marine and fisheries research

Marine EcologyVolume 31, Issue 4 p. 566-573 Colony growth in the harvested octocoral Pseudopterogorgia acerosa in a Caribbean coral reef Nini Johana Cadena, Nini Johana Cadena Departamento Ciencias Biológicas-Facultad de Ciencias, Laboratorio de Biología Molecular Marina (BIOMMAR), Universidad de los Andes, Bogotá, ColombiaSearch for more papers by this authorJuan Armando Sánchez, Juan Armando Sánchez Departamento Ciencias Biológicas-Facultad de Ciencias, Laboratorio de Biología Molecular Marina (BIOMMAR), Universidad de los Andes, Bogotá, ColombiaSearch for more papers by this author Nini Johana Cadena, Nini Johana Cadena Departamento Ciencias Biológicas-Facultad de Ciencias, Laboratorio de Biología Molecular Marina (BIOMMAR), Universidad de los Andes, Bogotá, ColombiaSearch for more papers by this authorJuan Armando Sánchez, Juan Armando Sánchez Departamento Ciencias Biológicas-Facultad de Ciencias, Laboratorio de Biología Molecular Marina (BIOMMAR), Universidad de los Andes, Bogotá, ColombiaSearch for more papers by this author First published: 11 October 2010 https://doi.org/10.1111/j.1439-0485.2010.00397.xCitations: 7 Juan Armando Sánchez, Departamento Ciencias Biológicas-Facultad de Ciencias, Laboratorio de Biología Molecular Marina (BIOMMAR), Universidad de los Andes, Carrera 1E No 18A – 10, Bogotá, Colombia.E-mail: [email protected] Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract Pseudopterogorgia acerosa is the tallest gorgonian octocoral found in the Caribbean. In the Cartagena area, Colombia, P. acerosa is commonly harvested as raw material for handicrafts, rendering important the study of its growth and population dynamics. Growth measurements of branches from multiple colonies at two different reefs during 1 year revealed that the main growth was due to rapid elongation of the main ('mother') branch and production of daughter branches from the same (or just a few) mother branch(es). Some small colonies doubled their original size in a year. The branches' absolute growth rate was weakly correlated with size, with no significant relationships between branch size and percent growth. While the pinnate branching pattern in P. acerosa is similar to its congeners Pseudopterogorgia elisabethae and Pseudopterogorgia bipinnata, it produces taller colonies due to the faster growth rate in the primordial mother branch. This growth mode seems advantageous as it augments exposure to light and higher fluxes of suspended food in the benthic boundary layer. Post-harvesting, clipped colonies exhibited clear signs of regeneration, even in cases where only the holdfast remained. Pseudopterogorgia acerosa seems to have similar regeneration capabilities respect to other Pseudopterogorgia species, where regenerating colonies may grow faster than intact ones. References Bellwood D.R., Folke H.C., Nystrom M. (2004) Confronting the coral reef crisis. Nature, 429, 827–833. Bramanti L., Magagnini G., Maio L.D., Santangelo G. (2005) Recruitment, early survival and growth of the Mediterranean red coral Corallium rubrum (L 1758), a 4-year study. 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