Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/2038
Título: Subtidal Rocky Shore Communities of the Azores: Developing a Biotope Survey Method
Autor: Wallenstein, Francisco
Neto, Ana I.
Álvaro, Nuno V.
Tittley, Ian
Palavras-chave: Methodologies
Rocky Shores
Quantification
Image
Data: Jan-2008
Editora: Coastal Education and Research Foundation (CERF)
Citação: Wallenstein, Francisco M., Neto, Ana I., Álvaro, Nuno V., Tittley, Ian (2008). "Subtidal Rocky Shore Communities of the Azores: Developing a Biotope Survey Method". «Journal of Coastal Research», 24(1A): 244-249. http://dx.doi.org/10.2112/05-0590.1.
Resumo: At 23 sites selected randomly around the island of S o Miguel (Azores), video records were made at the depths of 5, 10, 15, 20, 25, and 30 m where a rocky substratum was present. Semiquantitative abundance data of the most common benthic organisms (algae and fixed/sedentary macroinvertebrates) were recorded in the vicinity of each depth reference point. Qualitative samples of the more conspicuous organisms were taken for confirmation of identification in the laboratory. At each site, substratum type, geographical orientation, and depth level were recorded. Multivariate analysis (nonmetric multidimensional scaling; analysis of similarity Anosim tests; similarity percentages Simper analysis) on the collected data enabled patterns of community distribution to be identified, as well as their relationship to abiotic factors. Since depth was found to be the sole determining factor for communities, it was the only one considered in the subtidal biotope survey protocol proposed here.
Descrição: Copyright © 2008 Coastal Education and Research Foundation.
Peer review: yes
URI: http://hdl.handle.net/10400.3/2038
ISSN: 0749-0208 (Print)
1551-5036 (Online)
Versão do Editor: http://dx.doi.org/10.2112/05-0590.1
Aparece nas colecções:DBIO - Artigos em Revistas Internacionais / Articles in International Journals

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