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Côme Denechaud

Picture press release
Forsker
Telefon: 46544931
Avdeling: Bunnfisk

Forsker i bestandsvurdering og forvaltning for bunnfisk resurser.

Jobber hovedsakelig på Nordsjøen hvor jeg er bestandsansvarlig for torsk, og i mindre grad involvert med hyse, lyr og rødspette.

Etter PhD forskningen min, også interessert i Nordøstarktisk torsk og klimaendringseffekter på fisk biologi.

Involvert i kvalitetssikring for alderlesning, og forsker på bruk av otolitter og otolittarkivet for å studere fisk økologi, ved bruk av vekst mønster, otolittform, isotoper og mikrokjemi.

Amatør natur og fuglefotograf i fritiden.

Arbeidsområde

Arbeidsområde

• Bestandsvurdering av bunnfisk
• Vekstanalyser av otolitter
• Modellering av biologi tidsserier
• Effekter av klima, fisking og fiskebestand dynamisk
• Fiskeprøvetaker på bunnfisktokter

Curriculum Vitae

Curriculum Vitae

EDUCATION

2021- PhD
Demersal Fish Research Group – Institute of Marine Research (HI Norway)
Department of Biological Sciences – University of Bergen (UiB)
Thesis title: “Set in stones: the influence of long-term environmental changes on Northeast Arctic cod viewed through the analysis of otoliths”

2017 - Master in Biodiversity of Tropical Aquatic, Coastline and Insular Ecosystems
Université de la Réunion, Saint Denis (Réunion)
National Institute of Water and Atmospheric Research (New Zealand)
Thesis: “Diet of antarctic toothfish (Dissostichus mawsoni) in the Southern Ross Sea Region, Antarctica”

2015 - Bachelor in Ecology and Biology
Université Jean-Monnet, Saint Etienne (France) / Estonian University of Life Sciences, Tartu (Estonia)
Thesis: "Restoration ecology of the critically endangered Eurasian mink, Mustela lutreola"

 

PUBLICATIONS

• Denechaud, C., Geffen, A. J., Smoliński, S. & Godiksen, J. A. (2021). Otolith “spawning zones” across multiple Atlantic cod populations: Do they accurately record maturity and spawning? PLOS One, 16(9), e0257218.

• Denechaud, C. (2021). Set in stones: the influence of long-term environmental influences on Northeast Arctic cod viewed through the analysis of otoliths. Thesis published by the University of Bergen.

• Smoliński, S., Denechaud, C., von Leesen, G., Geffen, A.J., Grønkjær, P., Godiksen, J.A., Campana, S.E. (2021). Differences in metabolic rate between two Atlantic cod (Gadus morhua) populations estimated with carbon isotopic composition in otoliths. PloS ONE, 16(4), e0248711.

• Denechaud, C., Smoliński, S., Geffen, A. J., Godiksen, J. A., & Campana, S. E. (2020). A century of fish growth in relation to climate change, population dynamics and exploitation. Global Change Biology, 26(10), 5661-5678.

• Denechaud, C., Smoliński, S., Geffen, A. J., & Godiksen, J. A. (2020). Long-term temporal stability of Northeast Arctic cod (Gadus morhua) otolith morphology. ICES Journal of Marine Science, 77(3), 1043-1054.

Publikasjoner

Publikasjoner

Vitenskapelige artikler (NVI)

2023

Age interpretation of cod otoliths using deep learning

Endre Moen, Rune Vabø, Szymon Smolinski, Côme Denechaud, Nils Olav Handegard, Ketil Malde
Ecological Informatics
2023

Annotating otoliths with a deep generative model

Troels Arnfred Bojesen, Côme Denechaud, Ketil Malde
ICES Journal of Marine Science
2022

Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak (WGNSSK)

Anja Helene Alvestad, Jurgen Batsleer, Alan Baudron, Casper W. Berg, Chun Chen, Harriet S. Cole, José De Oliveira, Come Denechaud, Elise Eidset, Raphael Girardin, Ghassen Halouani, Holger Haslob, Alexander Holdgate, Nis Sand Jacobsen, Alexander Kempf, Alexandros Kokkalis, Tiago Veiga-Malta, Carlos Mesquita, Tanja Miethe, Iago Mosqueira, Nikolai Nawri, Coby Needle, Anders Nielsen, J. Rasmus Nielsen, Alessandro Orio, Yves Reecht, Jon Egil Skjæraasen, Guldborg Søvik, Andreas Sundelöf, Klaas Sys, Marc Taylor, Mikael van Deurs, Lies Vansteenbrugge, Francesca Vitale, Kathrin Vossen, Nicola Walker, Fabian Zimmermann
ICES Scientific Reports 4
2022

Counting stars: contribution of early career scientists to marine and fisheries sciences

Szymon Smolinski, Daniel Ottmann, Okko Outinen, Amanda Schadeberg, Valentina Melli, Lara Funk, Côme Denechaud, Alina Wieczorek, Alessandro Orio, Robert Mussgnug, Rasa Morkune, Emilie Hernes Vereide, Maja Zdulska, Philips Genevieve, Fedor Lishchenko, Greta Srebaliene
ICES Journal of Marine Science 79 p. 2351-2361
2022

Growth portfolios buffer climate-linked environmental change in marine systems

Steven E. Campana, Szymon Smolinski, Bryan A. Black, John R. Morrongiello, Stella J. Alexandroff, Carin Andersson, Bjarte Bogstad, Paul G. Butler, Côme Denechaud, David C. Frank, Audrey J. Geffen, Jane Aanestad Godiksen, Peter Grønkjær, Einar Hjörleifsson, Ingibjörg G. Jónsdóttir, Mark Meekan, Madelyn Mette, Susanne E. Tanner, Peter van der Sleen, Gotje von Leesen
Ecology
2022

Working Group on Mixed Fisheries Advice (WGMIXFISH-ADVICE; outputs from 2021 meeting)

Gianfranco Anastasi, Mikel Aristegui-Ezquibela, Jonathan Ball, Thomas Brunel, Santiago Cerviño, Harriet S. Cole, Paul Dolder, Come Denechaud, Marieke Desender, Dorleta Garcia, Ruth Kelly, Hugo Mendes, Alessandro Orio, Matthew Pace, Lionel Pawlowski, Alfonso Perez-Rodriguez, Margarita Rincon Hidalgo, Paz Sampedro, Sonia Sanchez-Maroño, Cristina Silva, Klass Sys, Marc Taylor, Vanessa Trijoulet, Youen Vermard
ICES Scientific Reports 4
2022

Working Group on Mixed Fisheries Methodology (WGMIXFISH-METHODS)

Harriet S. Cole, Marc Taylor, Miren Altuna-Etxabe, Gianfranco Anastasi, Mikel Aristegui-Ezquibela, Johnathan Ball, Jasper Bleijenberg, Thomas Brunel, Santiago Cerviño, Leire Citores, Jochen Depestele, Dorleta Garcia, Come Denechaud, Paul Dolder, Ruth Kelly, Bernhard Kühn, Mathieu Lundy, Hugo Mendes, Claire Moore, Alessandro Orio, Matthew Pace, Lionel Pawlowski, Margarita M.  Rincón, Sonia Sanchez-Maroño, pia schubert, Cristina Silva, Klass Sys, Vanessa Trijoulet, Youen Vermard
ICES Scientific Reports 4
2022

Workshop on Stock Identification of West of Scotland Sea Cod (WK6aCodID; outputs from 2021 meeting)

Christoffer Moesgaard Albertsen, Steven X. Cadrin, Come Denechaud, Helen Dobby, Jakob Hemmer-Hansen, Mathieu Lundy, Tanja Miethe, David Murray, Anders Nielsen, Carl O'Brien, Alfonso Perez-Rodriguez, Thomas Regnier, pia schubert, Nicola Walker, Jonathan White
ICES Scientific Reports 4
2021

Otolith “spawning zones” across multiple Atlantic cod populations: Do they accurately record maturity and spawning?

Côme Denechaud, Audrey J. Geffen, Szymon Smolinski, Jane Aanestad Godiksen
PLOS ONE 16
2021

Differences in metabolic rate between two Atlantic cod (Gadus morhua) populations estimated with carbon isotopic composition in otoliths

Szymon Smolinski, Come Denechaud, Gotje von Leesen, Audrey J. Geffen, Peter Grønkjær, Jane A. Godiksen, Steven E. Campana
PLOS ONE 16 p. 1-19
2020

A century of fish growth in relation to climate change, population dynamics and exploitation

Come Denechaud, Szymon Smolinski, Audrey J. Geffen, Jane Aanestad Godiksen, Steven E. Campana
Global Change Biology 26 p. 5661-5678
2020

Long-term temporal stability of Northeast Arctic cod (Gadus morhua) otolith morphology

Come Denechaud, Szymon Smolinski, Audrey J. Geffen, Jane Aanestad Godiksen
ICES Journal of Marine Science 77 p. 1043-1054

Faglige foredrag

2023

Can otolith macrostructures be used to reconstruct individual maturity and spawning?

Côme Denechaud, Szymon Smoliński, Jane Aanestad Godiksen, Audrey J. Geffen
2022

Exploring imaging protocols and neural network architectures for automated otolith analysis

Endre Moen, Rune Vabø, Come Denechaud, Szymon Smolinski, Ketil Malde
2021

"Spawning zones" in Atlantic cod otoliths: underutilized life history and maturity recorders?

Denechaud, Côme
2019

Investigating long term temporal stability of otolith morphometry of Northeast Arctic cod (Gadus morhua)

Côme Denechaud, Szymon Smolinski, Audrey J. Geffen, Jane Aanestad Godiksen, Steven E. Campana

Poster

2023

Escaping the black box: explicit annotation of otolith growth rings with deep learning

Troels Arnfred Bojesen, Côme Denechaud, Ketil Malde
2023

Annotating Otoliths with a Deep Generative Model

Troels Arnfred Bojesen, Côme Denechaud, Ketil Malde
2022

Spatial environmental variability shapes bottom ecosystems diversity in the western Gulf of Guinea

Come Denechaud, Lene Buhl-Mortensen, Tape Joanny, Emmanuel Dovlo, Arved Staby
2018

Spatial gradients and temporal variations in size at age of Northeast Arctic cod (Gadus morhua) off the coast of Norway during the last two decades

Côme Denechaud, Jane Aanestad Godiksen, Audrey J. Geffen, Steven Campana

Rapporter og avhandlinger

2024

Oversikt over fiskeri- og prøvetaking i botnfisksektoren i 2023 — torsk, hyse (NØA), sei, blåkveite, pigghå og reker (Norskerenna og Skagerrak)

Håkon Magne Otterå, Ole Thomas Albert, Bjarte Bogstad, Côme Denechaud, Elise Eidset, Johanna Jennifer Elisabeth Fall, Edvin Fuglebakk, Sofie Gundersen, Edda Johannesen, Claudia Junge, Yves Reecht, Silje Elisabeth Seim, Arved Staby, Brian Stock, Guldborg Søvik, Caroline Aas Tranang, Tone Vollen, Kristin Windsland
Rapport fra havforskningen
2023

Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak (WGNSSK)

Jurgen Batsleer, Alan Baudron, Chun Chen, Harriet S. Cole, José A.A. De Oliveira, Côme Denechaud, Raphael Girardin, Ghassen Halouani, Holger Haslob, Alexander Holdgate, Nis Sand Jacobsen, Alexander Kempf, Alexandros Kokkalis, Eleni Melis, Carlos Mesquita, Tanja Miethe, Iago Mosqueira, Nikolai Nawri, Coby Needle, J. Rasmus Nielsen, Alessandro Orio, Yves Reecht, Jon Egil Skjæraasen, Guldborg Søvik, Klaas Sys, Marc Taylor, Justin Tiano, Lies Vansteenbrugge, Damian Villagra Villanueva, Bella Voak, Kathrin Vossen, Nicola Walker
2023

International Bottom Trawl Survey Working Group (IBTSWG)

Arnaud Auber, Francisco Baldó, Alessandra Bielli, Barbara Bland, Finlay Burns, Corina Chaves, Pierre Cresson, Annica De Groote, Côme Denechaud, Jim Drewery, Elise Eidset, Jim Ellis, Jonathan S. Ellis, Ruadhán Gillespie-Mules, Carolina Giraldo, Raphael Girardin, Lucilla Giulietti, Frankie Griffin, Holger Haslob, Benjamin Hatton, Annelie Hilvarsson, Einar Hjorleifsson, Alexander Holdgate, Richard Humphreys, Bastian Huwer, Ruth Kelly, Cecilie Kvamme, Rob Kynoch, Pascal Laffargue, Didier Le Roy, Kim Ludwig, Sophy R. McCully Phillips, Caroline McKeon, Tanja Miethe, Henrik Mosegaard, Hermann Neumann, Alessandro Orio, Martin Pastoors, Philip Politis, Yves Reecht, Pia Schuchert, Anne Sell, Louisa Sinclair, Vaishav Soni, David Stokes, Julia Endresen Storesund, Kai Ulrich Wieland, Ralf van Hal, Lies Vansteenbrugge, Francisco Velasco Guevara, Adriana Villamor, Ching Villanueva, David Warwick, Jonathan White, Rupert Wienerroither, Ingo Wilhelms
2023

Workshop on Raising Data using the RDBES and TAF (WKRDBESRaiseTAF; outputs from 2022 meeting)

Maciej Adamowicz, Kirsten Birch Håkansson, Katinka Bleeker, Nicholas Carey, Sofia Carlshamre, Chun Chen, Liz Clarke, Thomas Cloatre, David Currie, José De Oliveira, Côme Denechaud, Roxanne Duncan, Afra Egan, Elise Eidset, Celina Eriksson Bjånes, David Espino, Edvin Fuglebakk, Hans Gerritsen, Patricia Gonçalves, Alexander Holdgate, Leire Ibaibarriaga, Ane Iriondo, Alexandros Kokkalis, Maria Korta, Jean-Baptiste Lecomte, Steven Mackinson, Catarina Maia, Karolina Molla-Gazi, Claire Moore, Sara-Jane Moore, Teresa Moura, Nikolai Nawri, Coby Needle, Nicolas Goñi, Sofie Nimmegeers, Katja Norén, Manuela Oliveira, María Pan, Antonios Papoutsis, Nuno Prista, Jonathan Rault, Yves Reecht, Ana Ribeiro Santos, Pia Schuchert, Sven Stötera, Josefina Teruel, Ioannis Thasitis, Bart Vanelslander, Lies Vansteenbrugge, Youen Vermard, Julia Wischnewski, Laura Wise, Anna-Kaisa Ylitalo, Lucia Zaraus
2023

Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem

Per Arneberg, Berengere Husson, Anna Siwertsson, Jon Albretsen, Knut Yngve Børsheim, Côme Denechaud, Joël Durant, Tone Falkenhaug, Per Fauchald, Anders Martin Frugård Opdal, Sissel Jentoft, Tore Johannessen, Espen Johnsen, Elizabeth Marie Jones, Cecilie Kvamme, Anna Jeja Gabriella Ljungström, Pål Buhl-Mortensen, Yves Reecht, Hiroko Kato Solvang, Morten D. Skogen, Aril Slotte, Espen Strand, Guldborg Søvik, Gro Ingleid van der Meeren
2023

Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem - Appendices

Per Arneberg, Berengere Husson, Anna Siwertsson, Jon Albretsen, Knut Yngve Børsheim, Côme Denechaud, Joël Durant, Tone Falkenhaug, Per Fauchald, Anders Martin Frugård Opdal, Sissel Jentoft, Tore Johannessen, Espen Johnsen, Elizabeth Marie Jones, Cecilie Kvamme, Anna Jeja Gabriella Ljungström, Pål Buhl-Mortensen, Yves Reecht, Hiroko Kato Solvang, Morten D. Skogen, Aril Slotte, Espen Strand, Guldborg Søvik, Gro Ingleid van der Meeren
2022

International Bottom Trawl Survey Working Group (IBTSWG)

Jim Ellis, Pia Schuchert, Anja Helene Alvestad, Auber Arnaud, Francisco Baldó, Alan Baudron, Steven E. Beggs, Barbara Bland, Patrik Börjesson, Karsten Breddermannn, Finlay Burns, Corina Chaves, Harriet S. Cole, Pierre Cresson, Ingeborg de Boois, Côme Denechaud, Elise Eidset, Arill Egil Engås, Ruadhán Gillespie-Mules, Francis Griffin, Benjamin Hatton, Alexander Holdgate, Bastian Huwer, Ruth Kelly, Eoghan Kelly, Matthias Kloppmann, Rob Kynoch, Pascal Laffargue, Uwe Lichtenstein, Kim Ludwig, Tanja Miethe, Hermann Neumann, Yves Reecht, Shale Pettit Rosen, Anne Sell, Cristina Silva, Louisa Sinclair, David Stokes, Ralf van Hal, Francisco Velasco, Ching Villanueva, Kai Wieland, Rupert Wienerroither
ICES Scientific Reports 4
2021

Set in stones: the influence of long-term environmental changes on Northeast Arctic cod viewed through the analysis of otoliths

Côme Denechaud, Audrey J. Geffen, Jane Aanestad Godiksen, Steven E. Campana
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