Mostra el registre d'ítem simple
Daily activity rhythms in temperate coastal fishes: insights from cabled observatory video monitoring
dc.contributor.author | Aguzzi, Jacopo |
dc.contributor.author | Sbragaglia, Valerio |
dc.contributor.author | Santamaria Garcia, Guillermo |
dc.contributor.author | Río Fernandez, Joaquín del |
dc.contributor.author | Sarda, Francesc |
dc.contributor.author | Nogueras Cervera, Marc |
dc.contributor.author | Manuel Lázaro, Antonio |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica |
dc.date.accessioned | 2013-12-02T15:00:20Z |
dc.date.available | 2017-08-01T00:30:42Z |
dc.date.created | 2013-07-12 |
dc.date.issued | 2013-07-12 |
dc.identifier.citation | Aguzzi, J. [et al.]. Daily activity rhythms in temperate coastal fishes: insights from cabled observatory video monitoring. "Marine ecology. Progress series", 12 Juliol 2013, vol. 486, p. 223-236. |
dc.identifier.issn | 0171-8630 |
dc.identifier.uri | http://hdl.handle.net/2117/20881 |
dc.description.abstract | The rhythmic behavior of marine species generates uncertainties in population and biodiversity assessments if the frequency of sampling is too low and irregular over time. Few attempts have been made to link community changes to the rhythmic behavior of individuals within populations. Cabled video observatories can be used to explore community changes over different temporal windows as a result of the activity rhythms of individuals within populations. In this study, we used, for the first time, a coastal cabled observatory (OBSEA) to video monitor activity rhythms of different fish species within an artificial reef area at a high frequency. During 1 mo, 30 min daily count patterns were continuously measured and compared with the corresponding solar irradiance. A significant (p < 0.05) day-night patterning was observed in the majority of recognized taxa by Chi-Square periodogram analysis. Three types of rhythms were identified in waveform plotting: (1) diurnal (Chromis chromis, Coris julis, Diplodus annularis, D. cervinus, D. sargus, D. vulgaris, Serranus cabrilla, Dentex dentex, Symphodus sp.); (2) nocturnal (Atherina sp. and Scorpaena sp.); and (3) crepuscular (Apogon imberbis, Oblada melanura, and Spicara maena). Diurnal species clustered around maximum averaged irradiance (computed from a cosinor analysis). The results were discussed evaluating whether visual count time series represent a reliable proxy for the swimming activity rhythms of individuals and whether the complex habitat use of coastal fishes would require the use of spatial networks of cameras. |
dc.format.extent | 14 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal::Processament de la imatge i del senyal vídeo |
dc.subject | Àrees temàtiques de la UPC::Enginyeria agroalimentària::Ciències de la terra i de la vida::Biologia |
dc.subject.lcsh | Underwater imaging systems |
dc.subject.lcsh | Fish populations -- Mediterranean Sea |
dc.subject.lcsh | Biological rhythms |
dc.subject.lcsh | Marine species diversity |
dc.subject.lcsh | Biodiversity research |
dc.subject.lcsh | Ocean bottom--Research |
dc.subject.other | OBSEA |
dc.subject.other | Cabled video observatories |
dc.subject.other | Swimming rhythms |
dc.subject.other | Western Mediterranean |
dc.subject.other | Coastal areas |
dc.subject.other | Temperate fishes |
dc.subject.other | Irradiance |
dc.subject.other | Daily activity |
dc.title | Daily activity rhythms in temperate coastal fishes: insights from cabled observatory video monitoring |
dc.type | Article |
dc.subject.lemac | Comunicacions subacuàtiques |
dc.subject.lemac | Ecosistemes marins |
dc.subject.lemac | Bioritmes |
dc.subject.lemac | Fons marins -- Investigació |
dc.subject.lemac | Observatoris |
dc.contributor.group | Universitat Politècnica de Catalunya. SARTI - Centre de Desenvolupament Tecnològic de Sistemes d'Adquisició Remota i Tractament de la Informació |
dc.identifier.doi | 10.3354/meps10399 |
dc.relation.publisherversion | http://www.int-res.com/abstracts/meps/v486/p223-236/ |
dc.rights.access | Open Access |
local.identifier.drac | 12772630 |
dc.description.version | Postprint (published version) |
dc.relation.projectid | info:eu-repo/grantAgreement/EC/FP7/211816/EU/European Multidisciplinary Seafloor Observation/EMSO |
local.citation.author | Aguzzi, J.; Sbragaglia, V.; Santamaria, G.; Del Rio, J.; Sarda, F.; Nogueras, M.; Manuel, A. |
local.citation.publicationName | Marine ecology. Progress series |
local.citation.volume | 486 |
local.citation.startingPage | 223 |
local.citation.endingPage | 236 |
Fitxers d'aquest items
Aquest ítem apareix a les col·leccions següents
-
Articles de revista [106]
-
Articles de revista [1.728]