Rémy Lassus

Animal, Santé, Territoires, Risques et Ecosystèmes

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Martín Daufresne

Aix-Marseille Université

Arnaud Sentis

Aix-Marseille Université

Virginie Diouloufet

Animal, Santé, Territoires, Risques et Ecosystèmes

Simon Blanchet

Station d’Écologie Théorique et Expérimentale

Ange Molina

Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement

Simon Bazin

Aix-Marseille Université

Tiphaine Peroux

Animal, Santé, Territoires, Risques et Ecosystèmes

Stéphanie Fayolle

Institut Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale

Julien Cucherousset

Université Toulouse III - Paul Sabatier

ÉÉ

Éric Édeline

Centre National de la Recherche Scientifique

Cooperative Institutions

Centre National de la Recherche Scientifique

Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement

Aix-Marseille Université

Institut de Recherche pour le Développement

Université Claude Bernard Lyon 1

École Nationale des Travaux Publics de l'État

University of Gothenburg

Université Toulouse III - Paul Sabatier

Université de Toulouse

Laboratoire Evolution et Diversite Biologique

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Dataset Artificial warming decreases heterotroph densities and predator-prey biomass ratio in aquatic systems

Figshare (2023)

Simon Bazin Virginie Diouloufet Ange Molina Tiphaine Peroux Juan José Montoya

This file holds the data and scripts used in the article "Artificial warming decreases heterotroph densities and predator-prey biomass ratio in aquatic systems".Data are available in files whose name begins with the prefix "df". The variables names "date" and "date_c" represent the sampling date in discrete or continue value, respectively. "mesocosm_ID" is the identity of the mesocosm. "fish" represent the fish treatment (NF for No Fish, LB for Large-bodied fish and SB for Small-bodied fish). "warming" is the temperature treatment (NW for no warming, W for warming). "tmean15" is the mean temperature of the 15 days prior to the sampling date. "compartment", "class", "order" and "taxa" represent the taxonomy of the organisms. "N_l" is the density per liter. "C_mug_l" is the carbon biomass in microgram per liter. "S" and "H" are the species richness and the Shannon diversity index, respectively. "ZP" is the zooplankton:phytoplankton biomass ratio. The variables in df_bss.csv file are described in the main text of the article.Files with a numerical prefix are the scripts used for the statistical analyzes (multivariate analyzes, ecological index, community density and biomass, Predator Prey Biomass Ratio and Biomass Size Spectra).

10.6084/m9.figshare.23925291

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Dataset Artificial warming decreases heterotroph densities and trophic transfer efficiency

Figshare (2023)

Simon Bazin Virginie Diouloufet Ange Molina Tiphaine Peroux Juan José Montoya

This file holds the data and scripts used in the article "Artificial warming decreases heterotroph densities and trophic transfer efficiency".Data are available in files whose name begins with the prefix "df". The variables names "date" and "date_c" represent the sampling date in discrete or continue value, respectively. "mesocosm_ID" is the identity of the mesocosm. "fish" represent the fish treatment (NF for No Fish, LB for Large-bodied fish and SB for Small-bodied fish). "warming" is the temperature treatment (NW for no warming, W for warming). "tmean15" is the mean temperature of the 15 days prior to the sampling date. "compartment", "class", "order" and "taxa" represent the taxonomy of the organisms. "N_l" is the density per liter. "C_mug_l" is the carbon biomass in microgram per liter. "S" and "H" are the species richness and the Shannon diversity index, respectively. "ZP" is the zooplankton:phytoplankton biomass ratio. The variables in df_bss.csv file are described in the main text of the article.Files with a numerical prefix are the scripts used for the statistical analyzes (multivariate analyzes, ecological index, community density and biomass, Predator Prey Biomass Ratio and Biomass Size Spectra).

10.6084/m9.figshare.23925291.v7

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Dataset Artificial warming decreases heterotroph densities and trophic transfer efficiency

Figshare (2023)

Simon Bazin Virginie Diouloufet Ange Molina Tiphaine Peroux Juan José Montoya

This file holds the data and scripts used in the article "Artificial warming decreases heterotroph densities and trophic transfer efficiency".Data are available in files whose name begins with the prefix "df". The variables names "date" and "date_c" represent the sampling date in discrete or continue value, respectively. "mesocosm_ID" is the identity of the mesocosm. "fish" represent the fish treatment (NF for no fish, CF for cold fish and WF for warm fish). "warming" is the temperature treatment (NW for no warming, W for warming). "tmean15" is the mean temperature of the 15 days prior to the sampling date. "compartment", "class", "order" and "taxa" represent the taxonomy of the organisms. "N_l" is the density per liter. "C_mug_l" is the carbon biomass in microgram per liter. "C_mug" is the individual carbon biomass. "S" and "H" are the species richness and the Shannon diversity index, respectively. "ZP" is the zooplankton:phytoplankton biomass ratio. The variables in df_bss.csv file are described in the main text of the article.Files with a numerical prefix are the scripts used for the statistical analyzes (multivariate analyzes, ecological index, community density and biomass, individual biomass, Predator Prey Biomass Ratio and Biomass Size Spectra).

10.6084/m9.figshare.23925291.v5

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Acute energetic responses throughout a heatwave episode in Rhône apron

Chloé Souques Julia Watson Jessie Guyader Damien Roussel Rémy Lassus

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Effects of a heat stress on cardiac mitochondrial respiration of a freshwater fish: the Rhône apron

Julia Watson Chloé Souques Jessie Guyader Damien Roussel Rémy Lassus

Fresh water fish

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Multigenerational exposure to temperature influences mitochondrial oxygen fluxes in the Medaka fish (Oryzias latipes)

Acta Physiologica (2024)

Morla Julie Karine Salin Rémy Lassus Julie Favre‐Marinet Arnaud Sentis

Thermal sensitivity of cellular metabolism is crucial for animal physiology and survival under climate change. Despite recent efforts, effects of multigenerational exposure to temperature on the metabolic functioning remain poorly understood. We aimed at determining whether multigenerational exposure to temperature modulate the mitochondrial respiratory response of Medaka fish.

Oryzias

Cellular respiration

Fish physiology

10.1111/apha.14194

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Quantitative estimates of freshwater fish stocking practices by recreational angling clubs in France

Fisheries Management and Ecology (2021)

Julien Cucherousset Rémy Lassus Carsten Riepe Paul Millet Frédéric Santoul

Abstract Although freshwater fish stocking is widely used by managers, quantitative assessments of stocking practices are lacking in many countries. The general objective of the present study was to determine the quantity and characteristics of fish stocking in metropolitan France. Using a survey‐based approach, stocking practices for 2013 by recreational angling clubs in France were quantified, which represented the bulk of fish stocking undertaken in that year. Stocking was found to be practiced by 88.6% of angling clubs in France, representing, on average, 65% of their annual budget. Overall, 22 species were stocked, including 13 native and nine non‐native species, with strong variations among species in terms of life stages and body sizes used for stocking. Using Bayesian modelling, a total biomass of 2.029 t, representing approximately 90 million fishes, was estimated to be stocked in France in 2013. In terms of biomass, the most widely stocked species were rainbow trout Oncorhynchus mykiss (Walbaum), brown trout Salmo trutta L., roach Rutilus rutilus (L.), common carp Cyprinus carpio L. and northern pike Esox lucius L. A stocking volume of approximately 60 fishes or 1.5 kg of fish biomass per angler per year seems commonplace in industrialised countries for which data are available.

Brown trout

Esox

Rutilus

Electrofishing

10.1111/fme.12471

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Citations (19)

Growth‐enhanced salmon modify stream ecosystem functioning

Journal of Fish Biology (2021)

Julien Cucherousset Line Elisabeth Sundt-Hansen Mathieu Buoro Libor Závorka Rémy Lassus

Use of fast-growing domesticated and/or genetically modified strains of fish is becoming increasingly common in aquaculture, increasing the likelihood of deliberate or accidental introductions into the wild. To date, their ecological impacts on ecosystems remain to be quantified. Here, using a controlled phenotype manipulation by implanting growth hormone in juvenile Atlantic salmon (Salmo salar), we found that growth-enhanced fish display changes in several phenotypic traits known to be important for ecosystem functioning, such as habitat use, morphology and excretion rate. Furthermore, these phenotypic changes were associated with significant impacts on the invertebrate community and key stream ecosystem functions such as primary production and leaf-litter decomposition. These findings provide novel evidence that introductions of growth-enhanced fish into the wild can affect the functioning of natural ecosystems and represent a form of intraspecific invasion. Consequently, environmental impact assessments of growth-enhanced organisms need to explicitly consider ecosystem-level effects.

10.1111/jfb.14904

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Citations (3)

Effects of a heatwave on cardiac mitochondrial respiration of a freshwater fish: the Rhône apron

Julia Watson Chloé Souques Jessie Guyader Damien Roussel Rémy Lassus

Fresh water fish

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Phenotypic responses of invasive species to removals affect ecosystem functioning and restoration: implications for invasion management

Figshare (2020)

Libor Závorka Rémy Lassus J. Robert Britton Julien Cucherousset

Data to the paper Závorka et al. (2020) published in Global Change Biology.

Affect

10.6084/m9.figshare.7869413

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