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Books of Abstracts Isobay 06-01-2021 ORGANIZING COMMITTEE Andrés Arias (Observatorio Marino de Asturias, Universidad de Oviedo, Spain) Pilar Ríos (Instituto Español de Oceanografía (IEO), Gijón, Spain) Javier Cristobo (IEO, Gijón, Spain) José Luis Acuña (Observatorio Marino de Asturias, Universidad de Oviedo, Spain) Almudena Álvarez (DG Pesca Marítima, Principado de Asturias, Spain) María Eugenia Manjón-Cabeza (Universidad de Málaga, Spain) SCIENTIFIC COMMITTEE Andrés Arias Pilar Ríos Javier Cristobo Hannelore Paxton (Macquarie University, Australian Museum Research Institute (AMRI)) José Luis Acuña Sarah A. Woodin (University of South Carolina, USA) David S. Wethey (University of South Carolina, USA) Stanislas F. Dubois (IFREMER, France) Lucía García-Flórez (DGPM, Principado de Asturias, Spain) Yaisel J. Borrell (Universidad de Oviedo, Spain) Santiago Parra (IEO, A Coruña, Spain) Pablo Abaunza (IEO, Santander, Spain) Alberto Serrano (IEO, Santander, Spain) Francisco Sánchez (IEO, Santander, Spain) María Eugenia Manjón-Cabeza José Manuel Guerra (Universidad de Sevilla, Spain) Ana Riesgo (Museo Nacional de Ciencias Naturales, Madrid, Spain) Sergi Taboada (Universidad Autónoma de Madrid, Spain) ISOBAY 17, 2021 1 of 143 PROCEEDINGS - EDITORS Andrés Arias Pilar Ríos Hannelore Paxton Omar Sánchez (Universidad de Oviedo, Spain) José Luis Acuña Almudena Álvarez María Eugenia Manjón-Cabeza Javier Cristobo Composed & Designed by the Editors DEPÓSITO LEGAL AS 01237-2021 ISBN 978-84-18482-20-5 ISOBAY 17, 2021 2 of 143 TABLE OF CONTENTS BACKGROUND .................................................................................................................. 10 PROGRAMME ..................................................................................................................... 12 INVITED SPEAKERS ......................................................................................................... 20 Sarah A. Woodin & David S. Wethey short biography ........................................................................................................ 20 Climate Change and Drivers of Ecosystem Function and Aquaculture in the Bay of Biscay. ........................................ 21 José M. Guerra-García short biography .................................................................................................................................. 22 A promising method to study the diet of small marine invertebrates ............................................................................... 23 Ana Riesgo short biography ..................................................................................................................................................... 24 Molecular ecology of keystone species in VMEs to support conservation strategies. ..................................................... 25 ABSTRACTS ........................................................................................................................ 26 1. Marine Biodiversity and Ecosystem Function ................................................................................................................. 26 1.1 Application of focus stacking in benthic fauna identification. ...................................................................................... 27 1.2 Circareef/Circatax project: Biodiversity and structure of rocky circalittoral habitats on the Basque coast (South of the Bay of Biscay) ....................................................................................................................................................................... 28 1.3 Cockle as second intermediate host of trematode parasites: consequences on sediment bioturbation and nutrient fluxes across the benthic interface. .......................................................................................................................................... 29 1.4 Detecting climate regime shifts and biodiversity redistribution in the Bay of Biscay with GAMMs ...................... 30 1.5 Soft-bottom macroinfaunal community structure and biodiversity patterns in the continental shelf, canyons and pock-mark fields in the south-eastern Bay of Biscay at a range of depths of 97-1476 m ................................................. 31 1.6 New records of deep-sea anthozoans (Cnidaria) for the Bay of Biscay (northeastern Atlantic), collected during ECOMARG, INDEMARES and INTEMARES expeditions ................................................................................................. 32 1.7 Diversity and distribution of bivalve molluscs in the central Cantabrian Sea and the Avilés Canyon System (Bay of Biscay). .................................................................................................................................................................................... 33 ISOBAY 17, 2021 3 of 143 1.8 Functional costs of arm autotomy on the locomotion of stellate echinoderms: two different outcomes of two dis- tinct modes of locomotion ........................................................................................................................................................ 34 1.9 Demersal and epibenthic communities of sedimentary habitats in the Avilés Canyon System, Cantabrian Sea (NE Atlantic). Environmental factors determining faunal assemblages ............................................................................ 35 1.10 Using multiparametric observatory for assessing patterns of animal behavior in relation with water dynamics in El Cachucho MPA (Cantabrian Sea) ................................................................................................................................... 36 1.11 Automatic echotrace classification of pelagic species in the Bay of Biscay. .............................................................. 37 1.12 Study of the communities of a complex circalittoral rocky shelf in the Cantabrian Sea (Southern Bay of Biscay) ...................................................................................................................................................................................................... 38 1.13 Hard-bottom bathyal species associated to Asconema setubalense Kent, 1870 (Porifera, Hexactinellida) ............... 39 1.14 Do wastewater treatment plant discharges drive rocky subtidal community shifts? A case study ...................... 40 1.15 Ecological traits identification of recent space-time changes in demersal communities ......................................... 41 1.16 Diversity of echinoids in Galicia Bank (Project LIFE+ IN-DEMARES) ...................................................................... 42 1.17 Diversity of asteroids in Galicia Bank (Project LIFE+ IN-DEMARES) ....................................................................... 43 1.18 More than 60 years of studies on marine tardigrades in the Bay of Biscay. Past, present and future ................... 44 1.19 Mercury and emerging pollutants contamination in feathers of resident Yellow-legged Gull (Larus michahellis) in the southeastern of the Bay of Biscay ................................................................................................................................. 45 1.20 Preliminary results of epifauna collected in the INTEMARES CAPBRETON Expeditions (2019-2020) ............... 46 1.21 Optimization of the use of biological traits susceptible to climate change and fishing pressure to characterize ecosystems vulnerability .......................................................................................................................................................... 47 1.22 Deep learning supported high resolution mapping of vulnerable habitats. Its application to the rocky bottoms of the Capbreton Canyon (Bay of Biscay) ............................................................................................................................... 48 1.23 Polychaete diversity from cold-water corals of the Central Cantabrian Sea (Bay of Biscay) .................................. 49 1.24 Seamounts, canyons and slope: the preference of a new stilipedid amphipod from the Bay of Biscay ................ 50 1.25 INTEMARES Capbreton Canyon System: an ecosystem multidisciplinary study ................................................... 51 1.26 New records of Bivalvia and Gastropoda (Mollusca) on the southern Bay of Biscay and Galicia Bank (NE Atlan- tic) ................................................................................................................................................................................................ 52 1.27 The contribution of siliceous sponges to the silicon cycle of a diatom-rich shallow bay ........................................ 53 ISOBAY 17, 2021 4 of 143 1.28 Recent Brachiopod diversity and distribution from the central Cantabrian Sea and the Avilés Canyon System (Bay of Biscay) ............................................................................................................................................................................ 54 1.29 Deep-learning approach to improve knowledge about a Cold Water Coral Reef in the La Gaviera Canyon (Bay of Biscay) ..................................................................................................................................................................................... 55 1.30 New records of Calanticidae (Cirripedia: Calanticomorpha) in the southern Bay of Biscay .................................. 56 1.31 Hybrid modeling of Gelidium corneum
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