The use of new multiparametric observatory platforms for the remote monitoring and exploration of deep-sea ecosystems at day-night and seasonal temporal scales. (Book, 2017) [WorldCat.org]
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The use of new multiparametric observatory platforms for the remote monitoring and exploration of deep-sea ecosystems at day-night and seasonal temporal scales.

Author: Carolina Doya Le Besnerais; Jacopo Aguzzi; Joan Baptista Company Claret; Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental.
Publisher: [Barcelona] : Universitat Politècnica de Catalunya, 2017
Dissertation: Doctorat Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental 2017. Tesi
Edition/Format:   Thesis/dissertation : Document : Thesis/dissertation : eBook   Computer File : EnglishView all editions and formats
Summary:
Traditional sampling technologies such as trawling but also novel ones as ROV surveying are oriented toward a high spatial coverage without repeating data collection at fixed seabed windows. The temporal repetition is often neglected so any reported difference in sampling among sites or studies may potentially be confounded with time-induced variations as a product of rhythmic population displacements within the  Read more...
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Genre/Form: Tesis i dissertacions electròniques
Material Type: Document, Thesis/dissertation, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Carolina Doya Le Besnerais; Jacopo Aguzzi; Joan Baptista Company Claret; Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental.
OCLC Number: 1120497911
Description: 1 recurs en línia (1 recurs en línia (209 pàgines))
Other Titles: TDX.
Tesis UPC.

Abstract:

Traditional sampling technologies such as trawling but also novel ones as ROV surveying are oriented toward a high spatial coverage without repeating data collection at fixed seabed windows. The temporal repetition is often neglected so any reported difference in sampling among sites or studies may potentially be confounded with time-induced variations as a product of rhythmic population displacements within the continental margin seabed and water column 3D scenarios. Behaviour is an important life trait conditioning our perception of deep-sea biodiversity, being its rhythmic expression upon different diel (i.e. 24-h based day-night and tidal cycles) poorly known. In this context, technological step forward must be taken in order to observe community changes in deep-sea areas as a product of population behavioural patterns. Here, I studied how activity rhythms of benthic species within deep-sea communities modulate their composition, species abundances, richness, biodiversity and other life-history trait information in representative deep-sea environments through the use of multiparametric video-fixed cabled and non-cabled stations plus moving platforms. At the same time, I provided new methodological sampling hints on data collection protocols and analyses specifically tuned to the different characteristic of each observatory platform. I shed new light on the regulation that environmental cycles exert on animals' rhythmic behavior, revealing that the main environmental rulers affecting deep-sea benthic communities are still day-night indirect or more direct tidal-oriented cycles which act on endobenthic, benthopelagic, and nektobenthic migrations.

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