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Underwater fish visual census in the Azores from 1997 to 2015
Citable as data publication
Afonso P; Institute of Marine Research (IMAR - Azores), Portugal; Department of Oceanography and Fisheries (DOP) - UAc, Portugal (2016): Underwater fish visual census in the Azores from 1997 to 2015. https://doi.org/10.14284/210
Contact:
Catarino, Diana ;
Schmiing, Mara
Availability: 
This dataset is licensed under a Creative Commons Attribution 4.0 International License.
This dataset is licensed under a Creative Commons Attribution 4.0 International License.Description
Fish assemblages surveyed by using underwater visual censuses (UVC) down to 40 m. Transects were performed between 1997 and 2015 in the Azores, Portugal. All mobile fish were identified to the lowest possible taxon. Dates, geographic coordinates and species recorded are provided. more
Fish assemblages were surveyed using underwater visual censuses (UVC) down to 40 m. Following standard belt transect surveys (Brock 1954), SCUBA divers sampled transects with 50 m length and 5 m width. All mobile fish were identified to the lowest possible taxon and counted. Sampling sites were chosen based on the general representativeness of the habitat. Transects within sites were selected by stratified random sampling: different transects were done in each dive without replicating the depth strata (every 10 m) or overall bottom type or crossing transects during a single dive or day. UVCs were conducted in the scope of projects CLIPE (FCT—Praxis XXI/3/3.2/EMG/1957/95), MARÉ (LIFE B4-3200/98-509), MAREFISH (FCT-POCTI/ BSE/41207/2001), OGAMP (INTERREG IIIb/MAC/4.2/A2 2001), MARMAC (INTERREGIIIb-03/MAC/4.2/A1 2004), EmpaFish (EC-FP6, SSP8-006539), MareFish (FCT, POCTI/BSE/41207/2001), MoniZEC (FRC - M2.1.2/I/018/2011)
Fish assemblages were surveyed using underwater visual censuses (UVC) down to 40 m. Following standard belt transect surveys (Brock 1954), SCUBA divers sampled transects with 50 m length and 5 m width. All mobile fish were identified to the lowest possible taxon and counted. Sampling sites were chosen based on the general representativeness of the habitat. Transects within sites were selected by stratified random sampling: different transects were done in each dive without replicating the depth strata (every 10 m) or overall bottom type or crossing transects during a single dive or day. UVCs were conducted in the scope of projects CLIPE (FCT—Praxis XXI/3/3.2/EMG/1957/95), MARÉ (LIFE B4-3200/98-509), MAREFISH (FCT-POCTI/ BSE/41207/2001), OGAMP (INTERREG IIIb/MAC/4.2/A2 2001), MARMAC (INTERREGIIIb-03/MAC/4.2/A1 2004), EmpaFish (EC-FP6, SSP8-006539), MareFish (FCT, POCTI/BSE/41207/2001), MoniZEC (FRC - M2.1.2/I/018/2011)
Scope
Themes:
Biology > Fish, Biology > Invertebrates
Keywords:
Marine/Coastal, diver, Scuba diving, ANE, Azores, EurOBIS calculated BBOX, Cephalopoda, Crustacea, Pisces
Geographical coverage
ANE, Azores [Marine Regions]
EurOBIS calculated BBOX Stations
Bounding Box
Coordinates: MinLong: -31,1274; MinLat: 36,928 - MaxLong: -24,7267; MaxLat: 39,6733 [WGS84]
Coordinates: MinLong: -31,1274; MinLat: 36,928 - MaxLong: -24,7267; MaxLat: 39,6733 [WGS84]
Temporal coverage
From 1997 on [In Progress]
Contributors
University of the Azores; Department of Oceanography and Fisheries (DOP), more, data creator
Catarino, Diana
Schmiing, Mara
Afonso, Pedro
Schmiing, Mara
Afonso, Pedro
Institute of Marine Research (IMAR), data creator
Related datasets
Published in:
EurOBIS: European Ocean Biodiversity Information System, more
Publication
Based on this dataset
Afonso, P.; Vasco-Rodrigues, N. (2015). Summer aggregations of the common eagle ray, Myliobatis aquila. Arquipélago (Ciénc. Biol. Mar. = Life Mar. Sci.) 32: 79-82
Nieto, A. et al. (2015). European Red List of marine fishes. Publication Office of the European Union: Luxembourg. ISBN 978-92-79-45412-7. 81 pp.
Afonso, P. et al. (2014). Áreas Marinhas Protegidas nos Parques Naturais de Ilha do Faial e do Pico, sector Canal: cenários iniciais. Relatório Técnico do projecto MoniZec (M2.1.2/I/018/2011). IMAR - Universidade dos Açores: Horta. 14 pp.
Fontes, J. et al. (2014). Permanent aggregations of a pelagic predator at shallow seamounts. Mar. Biol. (Berl.) 161(6): 1349-1360. http://dx.doi.org/10.1007/s00227-014-2423-9
Schmiing, M. et al. (2014). Coastal Marine Protected Areas in the Azores: opportunities, benefits and limitations, in: Carreira, G.P. et al. (Ed.) (2014). The sea of the Azores: scientific forum for decision support. Arquipélago. Ciências Biológicas e Marinhas = Life and Marine Sciences, Suppl. 8: pp. 71-74
Schmiing, M. et al. (2014). Assessing hotspots within hotspots to conserve biodiversity and support fisheries management. Mar. Ecol. Prog. Ser. 513: 187-199. http://dx.doi.org/10.3354/meps10924
Sobral, A.F.; Afonso, P. (2014). Occurrence of mobulids in the Azores, central North Atlantic. J. Mar. Biol. Ass. U.K. 94(8): 1671-1675. http://dx.doi.org/10.1017/s0025315414000964
Afonso, P. et al. (2013). New and rare coastal fishes in the Azores islands: occasional events or tropicalization process? J. Fish Biol. 83(2): 272-294. http://dx.doi.org/10.1111/jfb.12162
Schmiing, M. (2013). Predictive habitat modelling of reef fishes with contrasting trophic ecologies. Mar. Ecol. Prog. Ser. 474: 201-216. http://dx.doi.org/10.3354/meps10099
Fontes, J. et al. (2009). Multi-scale recruitment patterns and effects on local population size of a temperate reef fish. J. Fish Biol. 75(6): 1271-1286. http://dx.doi.org/10.1111/j.1095-8649.2009.02363.x
Afonso, P.; Fontes, J.; Morato, T.; Holland, K.N.; Santos, R.S. (2008). Reproduction and spawning habitat of white trevally, Pseudocaranx dentex, in the Azores, central north Atlantic. Sci. Mar. (Barc.) 72(2): 373-381
Afonso, P. et al. (2008). Spatial patterns in reproductive traits of the temperate parrotfish Sparisoma cretense. Fish. Res. 90(1-3): 92-99. http://dx.doi.org/10.1016/j.fishres.2007.09.029
Afonso, P. (2007). Habitat use and movement patterns of three sympatric fishes with different life history strategies: implications for design of marine reserves. PhD Thesis. University of Hawai'i: Manoa. 202 pp.
Afonso, P. (2002). Padrões espaciais na estrutura da comunidade de Peixes costeiros dos Açores = Spatial patterns in the coastal fish community of the Azores. MSc Thesis. Universidade de Coimbra: Coimbra. 101 pp.
Tempera, F. et al. (2001). Proposta Técnico-Científica de Gestão dos Sítios de Interesse Comunitário do Canal Faial-Pico. Departamento de Oceanografia e Pescas, Universidade dos Açores: Horta. 76 pp.
Dataset status: In Progress
Data type: Data
Data origin: Research: field survey
Metadatarecord created: 2016-06-03
Information last updated: 2022-08-03
