Explanipedia

Hypoxia adaptation shapes genomic architecture and vertical niche transitions in copepods Open

Kevin Sugier, Romuald Laso‐Jadart, Loic Dorval, Arnaud Meng, Rainer Kiko , et al. · 2025

Oxygen Minimum Zone (OMZ) expansion is a major challenge to marine ecosystems and associated zooplankton. Calanoid copepods include lineages that tolerate hypoxia and exhibit functional traits such as diel vertical migrations to, or dorman…

First characterization of the marine ecosystem of Archer Fiord in the Lasting Ice Area of the high Arctic: a productivity paradox Open

Maxime Geoffroy, Audrey Limoges, Mathieu Ardyna, Lisa Matthes, Philippe Archambault , et al. · 2025

The Lasting Ice Area along the northern coastline of Ellesmere Island and Greenland will be the region where Arctic multiyear sea ice will persist the longest in a warming climate, making this area critical for ice-dependent species. In 20…

Meta-analysis of the role of zooplankton faecal pellets in ocean carbon export flux Open

Margaux Perhirin, Olivier Aumont, Frédéric Maps, Sakina-Dorothée Ayata · 2025

Faecal pellets of marine zooplankton play a key role in the biological carbon pump, i.e. all biologically mediated processes by which organic carbon produced by photosynthesis is stored in the ocean’s interior. Numerous factors (size and b…

Contrasting the efficiency of imaging systems for mesozooplankton indicators across Pacific and Atlantic coastal ecosystems Open

Anaïs Lacoursière‐Roussel, Luke McLean, Cyril Aubry, Frédéric Maps, Stephen Finnis , et al. · 2025

Identifying zooplankton fecal pellets from in situ images Open

Margaux Perhirin, Laure Vilgrain, Geneviève Perrin, Catherine Lalande, Marc Picheral , et al. · 2025

Zooplankton play a crucial role in the biological carbon pump by producing sinking particles including sloppy feeding by-products, fecal pellets, molts and carcasses. However, quantifying their impact of these particles on the carbon cycle…

Modelling the complete life cycle of an arctic copepod reveals complex trade-offs between concurrent life cycle strategies Open

Catherine E. Brennan, Frédéric Maps, Diane Lavoie, Stéphane Plourde, Catherine L. Johnson · 2024

International audience

Industrial fishing and its impacts on food security: a systematic review Open

Samantha Farquhar, Nadine Heck, Frédéric Maps, Eric Wade, Rebecca G. Asch , et al. · 2024

This systematic review seeks to answer the question: how have previous studies conceptualized and measured food security in relation to industrial fishing? Following the Preferred Reporting Items for Systematic reviews and Meta-Analyses (P…

An overview of the NEMO modelling for the BaySys project Open

Paul G. Myers, David G. Barber, Marco Braun, Liam Buchart, Laura Castro de la Guardia , et al. · 2024

This article is intended as an introduction to discuss the development of a modelling framework to examine simulated climate change and river discharge regulation and their combined impact on marine conditions in the Hudson Bay Complex as …

Exploring controls on the timing of the phytoplankton bloom in western Baffin Bay, Canadian Arctic Open

Maxime Benoît‐Gagné, Stephanie Dutkiewicz, Inge Deschepper, Christiane Dufresne, Dany Dumont , et al. · 2024

In the Arctic Ocean the peak of the phytoplankton bloom occurs around the period of sea ice break-up. Climate change is likely to impact the bloom phenology and its crucial contribution to the production dynamics of Arctic marine ecosystem…

Automatic estimation of lipid content from in situ images of Arctic copepods using machine learning Open

Frédéric Maps, Piotr Pasza Storożenko, Jędrzej Świeżewski, Sakina-Dorothée Ayata · 2023

In Arctic marine ecosystems, large planktonic copepods form a crucial hub of matter and energy. Their energy-rich lipid stores play a central role in marine trophic networks and the biological carbon pump. Since the past ~15 years, in situ…

Understanding the Physical Forcings Behind the Biogeochemical Productivity of the Hudson Bay Complex Open

Inge Deschepper, Paul G. Myers, Diane Lavoie, Tim Papakyriakou, Frédéric Maps · 2023

Multiple factors influence the spatial and temporal chlorophyll‐ a concentration of marine systems. The Hudson Bay Complex has historically been seen as a large, low‐production inland sea situated in the north of Canada. However, recent fi…

Copepods' true colors: astaxanthin pigmentation as an indicator of fitness Open

Laure Vilgrain, Frédéric Maps, Sünnje L. Basedow, Emilia Trudnowska, Mohammed‐Amin Madoui , et al. · 2023

Pigmentation is often overlooked in zooplankton, since these organisms are mostly colorless to fit the translucid water medium. However, one of the dominant zooplankton taxa in aquatic ecosystems—copepods—often show a bright red‐orange or …

Raw Data: Timing of Calanus finmarchicus diapause in stochastic environments Open

Kanchana Bandara, Øystein Varpe, Frédéric Maps, Rubao Ji, Ketil Eiane , et al. · 2023

This dataset contains the raw (unprocessed) model outputs of the Individual-Based Model used to generate the research article: Bandara, K., Varpe, Ø., Maps, F., Ji, R., Eiane, K., & Tverberg, V. (2021). Timing of Calanus …

Raw Data: Timing of Calanus finmarchicus diapause in stochastic environments Open

Kanchana Bandara, Øystein Varpe, Frédéric Maps, Rubao Ji, Ketil Eiane , et al. · 2023

This dataset contains the raw (unprocessed) model outputs of the Individual-Based Model used to generate the research article: Bandara, K., Varpe, Ø., Maps, F., Ji, R., Eiane, K., & Tverberg, V. (2021). Timing of Calanus …

Seasonality of zooplankton communities in the Hudson Bay system Open

Sarah Schembri, Caroline Bouchard, Tommy Pontbriand, Frédéric Maps · 2023

The strong seasonality of sub-Arctic seas needs to be considered to understand their ecosystems. The Hudson Bay system undergoes strong seasonal changes in 1) sea ice conditions, alternating between complete ice cover in winter and open wa…

Structure and function of the western Baffin Bay coastal and shelf ecosystem Open

Sara Pedro, Mélanie Lemire, Carie Hoover, Blanche Saint‐Béat, Muhammad Yamin Janjua , et al. · 2023

Arctic marine species, from benthos to fish and mammals, are essential for food security and sovereignty of Inuit people. Inuit food security is dependent on the availability, accessibility, quality, and sustainability of country food reso…

Same mesozooplankton functional groups, different functions in three Arctic marine ecosystems Open

Blanche Saint‐Béat, Gérald Darnis, Maxime Leclerc, Marcel Babin, Frédéric Maps · 2022

The trophic relationships interconnecting marine organisms together into a dynamic trophic network drive the structure and the functioning of the entire ecosystem. Since the flow of carbon within trophic networks is controlled by a variety…

Machine learning techniques to characterize functional traits of plankton from image data Open

Eric C. Orenstein, Sakina‐Dorothée Ayata, Frédéric Maps, Érica Caroline Becker, Fabio Benedetti , et al. · 2022

Plankton imaging systems supported by automated classification and analysis have improved ecologists' ability to observe aquatic ecosystems. Today, we are on the cusp of reliably tracking plankton populations with a suite of lab‐based and …

Timing of Calanus finmarchicus diapause in stochastic environments Open

Kanchana Bandara, Øystein Varpe, Frédéric Maps, Rubao Ji, Ketil Eiane , et al. · 2021

Trait‐based approach using in situ copepod images reveals contrasting ecological patterns across an Arctic ice melt zone Open

Laure Vilgrain, Frédéric Maps, Marc Picheral, Marcel Babin, Cyril Aubry , et al. · 2021

Imaging techniques are increasingly used in ecology studies, producing vast quantities of data. Inferring functional traits from individual images can provide original insights on ecosystem processes. Morphological traits are, as other fun…

Arctic cod (Boreogadus saida) hatching in the Hudson Bay system Open

Sarah Schembri, Inge Deschepper, Paul G. Myers, Pascal Sirois, Louis Fortier , et al. · 2021

Buoyant Arctic cod (Boreogadus saida) eggs are found at the surface or at the ice-water interface in winter. While winter temperatures in saline waters fall below 0°C, the temperature in areas affected by under-ice river plumes is slightly…

Functional trait‐based approaches as a common framework for aquatic ecologists Open

Séverine Martini, Floriane Larras, Aurélien Boyé, Emile Faure, Nicole Aberle , et al. · 2020

Aquatic ecologists face challenges in identifying the general rules of the functioning of ecosystems. A common framework, including freshwater, marine, benthic, and pelagic ecologists, is needed to bridge communication gaps and foster know…

Influence of Deep-Water Corals and Sponge Gardens on Infaunal Community Composition and Ecosystem Functioning in the Eastern Canadian Arctic Open

Marie Pierrejean, Cindy Grant, Bárbara de Moura Neves, Gwénaëlle Chaillou, Evan Edinger , et al. · 2020

The relationships between infaunal diversity and ecosystem function of biogenic structures in the Eastern Canadian Arctic remain poorly documented. Our study investigated the influence of sponge gardens at the Frobisher Bay site (137 m) an…

Contrasting pelagic ecosystem functioning in eastern and western Baffin Bay revealed by trophic network modeling Open

Blanche Saint‐Béat, Brian D. Fath, Cyril Aubry, Jonathan Colombet, Julie Dinasquet , et al. · 2020

Baffin Bay, located at the Arctic Ocean’s ‘doorstep’, is a heterogeneous environment where a warm and salty eastern current flows northwards in the opposite direction of a cold and relatively fresh Arctic current flowing along the west coa…

Spatial distribution of epifaunal communities in the Hudson Bay system Open

Marie Pierrejean, David G. Babb, Frédéric Maps, Christian Nozais, Philippe Archambault · 2020

The seasonal sea ice cover and the massive influx of river runoff into the Hudson Bay System (HBS) of the Canadian Arctic are critical factors influencing biological production and, ultimately, the dynamics and structure of benthic communi…

Functional trait-based approaches as a common framework for freshwater and marine ecologists Open

Séverine Martini, Floriane Larras, Aurélien Boyé, Emile Faure, Nicole Aberle , et al. · 2019

International audience

Book of abstracts of the ARTIFACTZ Workshop Artificial intelligence for characterizing plankton traits from images Open

Frédéric Maps, Jean‐Olivier Irisson, Sakina-Dorothée Ayata · 2019

International audience

Individual‐based modeling explains the contrasted seasonality in size, growth, and reproduction of the sympatric Arctic (Thysanoessa raschii) and Nordic krill (Meganyctiphanes norvegica) in the St. Lawrence Estuary, eastern Canada Open

Déborah Benkort, Stéphane Plourde, Gesche Winkler, Jory Cabrol, Angélique Ollier , et al. · 2018

The Nordic krill Meganyctiphanes norvegica and Arctic krill Thysanoessa raschii both dominate the krill community within the Estuary and Gulf of St. Lawrence system where they are central forage species for its pelagic ecosystem. We develo…

Copepod diapause and the biogeography of the marine lipidscape Open

Nicholas R. Record, Rubao Ji, Frédéric Maps, Øystein Varpe, Jeffrey A. Runge , et al. · 2018

Aim One of the primary characteristics that determines the structure and function of marine food webs is the utilization and prominence of energy‐rich lipids. The biogeographical pattern of lipids throughout the ocean delineates the marine…

Bancs de surface de petits poissons pélagiques dans le Golfe de Gascogne : caractérisation et implication pour l’évaluation de la biomasse Open

Frédéric Maps · 2018

Depuis l’année 2000, une campagne PELGAS (Pélagiques Gascogne) se déroule à chaque printemps. Dans les années 70-80, les campagnes avaient initialement pour but d’étudier la biomasse des anchois (Engraulis encrasicolus) dans le Golfe de Ga…

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