Sediment reworking by the burrowing polychaete Hediste diversicolor modulated by environmental and biological factors across the temperate North Atlantic. A tribute to Gaston Desrosiers

Type Article
Date 2021-08
Language English
Author(s) Gilbert Franck1, Kristensen Erik2, Aller Robert C.3, Banta Gary T.2, 4, Archambault Philippe5, 6, Belley Rénald1, 5, Bellucci Luca G.7, Calder Lois8, Cuny Philippe9, de Montaudouin Xavier10, Eriksson Susanne P.11, Forster Stefan12, Gillet Patrick13, Godbold Jasmin A.14, 15, Glud Ronnie N.16, Gunnarsson Jonas17, Hulth Stefan18, Lindqvist Stina18, Maire Anthony1, Michaud Emma19, Norling Karl11, Renz Judith12, Solan Martin14, Townsend Michael20, Volkenborn Nils3, 21, Widdicombe Stephen22, Stora Georges9
Affiliation(s) 1 : Laboratoire écologie fonctionnelle et environnement, Université de Toulouse, CNRS, Toulouse INP, Université Toulouse 3 - Paul Sabatier (UPS), Toulouse, France
2 : Department of Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
3 : School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794-5000, USA
4 : Dept. of Science and Environment, Roskilde University, Roskilde, Denmark
5 : Institut des Sciences de la Mer, Université du Québec à Rimouski, Québec, Canada
6 : Québec-Océan, Université Laval (Québec) G1V 0A6, Canada
7 : Institute of Marine Sciences, National Research Council, via Gobetti 101, 40129 Bologna, Italy
8 : SAMS, Scottish Marine Institute, Dunbeg, Argyll, Scotland PA37 1QA, UK
9 : Aix-Marseille Université, CNRS, Université de Toulon, IRD, Mediterranean Institute of Oceanography (MIO) UM 110, 13288 Marseille, France
10 : University of Bordeaux, CNRS UMR EPOC 5805, Marine Station, 2 rue du Pr Jolyet, 33120 Arcachon, France
11 : Department of Biological and Environmental Sciences – Kristineberg, University of Gothenburg, Kristineberg 566, SE-451 78 Fiskebäckskil, Sweden
12 : Institute of Biosciences - Marine Biology, University Rostock, Albert-Einstein-Str.3, 18059 Rostock, Germany
13 : Mer Molécules Santé, Département Biologie Environnement, Faculté des Sciences, UCO, Angers, France
14 : Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Waterfront Campus, European Way, Southampton SO14 3ZH, UK
15 : Biological Sciences, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK
16 : Biological Department, NordCEE, University of Southern Denmark, Denmark
17 : SU, Dept of Ecology, Environment and Plant Sciences (DEEP), S-10691 Stockholm, Sweden
18 : Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg SE-412 96, Sweden
19 : Univ Brest, CNRS, IRD, Ifremer, LEMAR, F-29280 Plouzané, France
20 : National Institute of Water and Atmospheric Research, P.O. Box 11-115, Hamilton, New Zealand
21 : Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, List/Sylt, Germany
22 : Plymouth Marine Laboratory, Prospect Place, West Hoe, Plymouth, UK
Source Journal Of Experimental Marine Biology And Ecology (0022-0981) (Elsevier BV), 2021-08 , Vol. 541 , P. 151588 (11p.)
DOI 10.1016/j.jembe.2021.151588
Keyword(s) Bioturbation, Sediment reworking, Hediste diversicolor, Intraspecific variation, Functional effect group, Functional response group

Particle mixing and irrigation of the seabed by benthic fauna (bioturbation) have major impacts on ecosystem functions such as remineralization of organic matter and sediment-water exchange. As a tribute to Prof. Gaston Desrosiers by the Nereis Park association, eighteen laboratories carried out a collaborative experiment to acquire a global snapshot of particle reworking by the polychaete Hediste diversicolor at 16 sites surrounding the Northern Atlantic. Organisms and soft sediments were collected during May – July at different geographical locations and, using a common laboratory protocol, particulate fluorescent tracers (‘luminophores’) were used to quantify particle transport over a 10-day period. Particle mixing was quantified using the maximum penetration depth of tracers (MPD), particle diffusive coefficients (Db), and non-local transport coefficients (r). Non-local coefficients (reflecting centimeter scale transport steps) ranged from 0.4 to 15 yr−1, and were not correlated across sites with any measured biological (biomass, biovolume) or environmental parameters (temperature, grain size, organic matter). Maximum penetration depths (MPD) averaged ~10.7 cm (6.5–14.5 cm), and were similar to the global average bioturbation depth inferred from short-lived radiochemical tracers. MPD was also not correlated with measures of size (individual biomass), but increased with grain size and decreased with temperature. Biodiffusion (Db) correlated inversely with individual biomass (size) and directly with temperature over the environmental range (Q10 ~ 1.7; 5–21 °C). The transport data were comparable in magnitude to rates reported for localized H. diversicolor populations of similar size, and confirmed some but not all correlations between sediment reworking and biological and environmental variables found in previous studies. The results imply that measures of particle reworking activities of a species from a single location can be generally extrapolated to different populations at similar conditions.

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Gilbert Franck, Kristensen Erik, Aller Robert C., Banta Gary T., Archambault Philippe, Belley Rénald, Bellucci Luca G., Calder Lois, Cuny Philippe, de Montaudouin Xavier, Eriksson Susanne P., Forster Stefan, Gillet Patrick, Godbold Jasmin A., Glud Ronnie N., Gunnarsson Jonas, Hulth Stefan, Lindqvist Stina, Maire Anthony, Michaud Emma, Norling Karl, Renz Judith, Solan Martin, Townsend Michael, Volkenborn Nils, Widdicombe Stephen, Stora Georges (2021). Sediment reworking by the burrowing polychaete Hediste diversicolor modulated by environmental and biological factors across the temperate North Atlantic. A tribute to Gaston Desrosiers. Journal Of Experimental Marine Biology And Ecology, 541, 151588 (11p.). Publisher's official version : , Open Access version :