27 Works

Data from: A phylum-wide survey reveals multiple independent gains of head regeneration in Nemertea

Eduardo Zattara, Fernando Fernández-Álvarez, Terra Hiebert, Alexa Bely & Jon Norenburg
Animals vary widely in their ability to regenerate, suggesting that regenerative ability has a rich evolutionary history. However, our understanding of this history remains limited because regenerative ability has only been evaluated in a tiny fraction of species. Available comparative regeneration studies have identified losses of regenerative ability, yet clear documentation of gains is lacking. We assessed ability to regenerate heads and tails either through our own experiments or from literature reports for 35 species...

Magnitude and predictability of pH fluctuations shape plastic responses to ocean acidification

Mark Bitter, Lydia Kapsenberg, Katherine Silliman, Jean-Pierre Gattuso & Catherine Pfister
Phenotypic plasticity is expected to facilitate the persistence of natural populations as global change progresses. The attributes of fluctuating environments that favor the evolution of plasticity have received extensive theoretical investigation, yet empirical validation of these findings is still in its infancy. Here, we combine high-resolution environmental data with a laboratory-based experiment to explore the influence of habitat pH fluctuation dynamics on the plasticity of gene expression in two populations of the Mediterranean mussel, Mytilus...

Source data and code for: Climate change transforms the functional identity of Mediterranean coralligenous assemblages

Daniel Gómez-Gras, Cristina Linares, Maria Dornelas, Joshua S. Madin, Viviana Brambilla, Jean-Baptiste Ledoux, Nathaniel Bensoussan, Paula López-Sendino & Joaquim Garrabou
We used five long-term (>10 years) records of Mediterranean coralligenous assemblages in a multi-taxa, trait-based analysis to investigate MHW-driven changes in functional structure. We show that, despite stability in functional richness (i.e., the range of species functional traits), MHW-impacted assemblages experienced long-term directional changes in functional identity (i.e., their dominant trait values). Declining traits included large sizes, long lifespans, arborescent morphologies, filter feeding strategies or calcified skeletons. These traits, which were mostly supported by few...

Data from: A phylogenomic perspective to diversity, hybridization and evolutionary affinities in the stickleback genus Pungitius

Guo Baocheng, Fang Bohao, Shikano Takahito, Momigliano Paolo, Wang Cui, Kravchenko Alexandra & Merilä Juha
Hybridization and convergent evolution are phenomena of broad interest in evolutionary biology, but their occurrence poses challenges for reconstructing evolutionary affinities among affected taxa. Sticklebacks in the genus Pungitius are a case in point: evolutionary relationships and taxonomic validity of different species and populations in this circumpolarly distributed species complex remain contentious due to convergent evolution of traits regarded as diagnostic in their taxonomy, and possibly also due to frequent hybridization among taxa. To clarify...

AQUACOSM VIMS-Ehux – Core data

Flora Vincent, Guy Schleyer, Constanze Kuhlisch, Celia Marrasé, Rafel Simó, Jorun Egge, Assaf Vardi & Daniella Schatz
The cosmopolitan coccolithophore Emiliania huxleyi is a unicellular alga that forms massive oceanic blooms covering thousands of square kilometers (Tyrrell & Merico 2004). The intricate calcite exoskeleton of E. huxleyi accounts for ~1/3 of total marine CaCO3 production (Monteiro et al. 2016). E. huxleyi blooms are an important source of DMS, which is, by far, the most abundant volatile sulfur compound in the surface ocean and the best studied aerosol precursor (Simó 2001) with a...

Data from: The Pillars of Hercules as a bathymetric barrier to gene-flow promoting isolation in a global deep-sea shark (Centroscymnus coelolepis)

Diana Catarino, Halvor Knutsen, Ana Veríssimo, Esben Moland Olsen, Per Erik Jorde, Gui Menezes, Hanne Sannæs, David Stanković, Joan Batista Company, Francis Neat, Roberto Danovaro, Antonio Dell'Anno, Bastien Rochowski, Sergio Stefanni, Joan Baptista Company & Hanne Sannaes
Knowledge of the mechanisms limiting connectivity and gene-flow in deep-sea ecosystems is limited, especially for deep-sea sharks. The Portuguese dogfish (Centroscymnus coelolepis) is a globally distributed and Near Threatened deep-sea shark. C. coelolepis population structure was studied using 11 nuclear microsatellite markers and a 497 bp fragment from the mtDNA Control Region. High levels of genetic homogeneity across the Atlantic (ΦST=-0.0091, FST= 0.0024, P > 0.05) were found suggesting one large population unit at this...

The impact of estimator choice: Disagreement in clustering solutions across K estimators for Bayesian analysis of population genetic structure across a wide range of empirical datasets

Kathryn Stankiewicz, Kate Vasquez Kuntz, Jean-Baptiste Ledoux, Didier Aurelle, Joaquim Garrabou, Yuichi Nakajima, Mikael Dahl, Yuna Zayasu, Sabri Jaziri, Federica Costantini & Iliana Baums
The software program STRUCTURE is one of the most cited tools for determining population structure. To infer the optimal number of clusters from STRUCTURE output, the ΔK method is often applied. However, a recent study relying on simulated microsatellite data suggested that this method has a downward bias in its estimation of K and is sensitive to uneven sampling. If this finding holds for empirical datasets, conclusions about the scale of gene flow may have...

Data from: Marine protected areas enhance structural complexity but do not buffer the consequences of ocean warming for an overexploited precious coral

Ignasi Montero-Serra, Joaquim Garrabou, Daniel F. Doak, Jean-Baptiste Ledoux & Cristina Linares
1. Global warming and overexploitation both threaten the integrity and resilience of marine ecosystems. Many calls have been made to at least partially offset climate change impacts through local conservation management. However, a mechanistic understanding of the interactions of multiple stressors is generally lacking for habitat-forming species; preventing the development of sound conservation strategies. 2. We examined the effectiveness of no-take marine protected areas (MPAs) at enhancing structural complexity and resilience to climate change on...

Data from: The potential for arms race and Red Queen coevolution in a protist host-parasite system

Lars Råberg, Elisabet Alacid, Esther Garces & Rosa Figueroa
The dynamics and consequences of host–parasite coevolution depend on the nature of host genotype-by-parasite genotype interactions (G × G) for host and parasite fitness. G × G with crossing reaction norms can yield cyclic dynamics of allele frequencies (“Red Queen” dynamics) while G × G where the variance among host genotypes differs between parasite genotypes results in selective sweeps (“arms race” dynamics). Here, we investigate the relative potential for arms race and Red Queen coevolution...

Data from: A clockwork fish. Age-prediction using DNA methylation-based biomarkers in the European seabass

Dafni Anastasiadi & Francesc Piferrer
Age-related changes in DNA methylation do occur. Taking advantage of this, mammalian and avian epigenetic clocks have been constructed to predict age. In fish, studies on age-related DNA methylation changes are scarce and no epigenetic clocks are available. However, in fisheries and population studies there is a need for accurate estimation of age, something that is often impossible for some economically important species with the currently available methods. Here, we used the European sea bass,...

CTD data, SUMMER Cruise, RV Sarmiento de Gamboa

M. Pilar Olivar & Mikhail Emelianov
Water column data from 23 CTDs acquired on board the RV Sarmiento de Gamboa with a SeaBird SBE911 plus CTD, rosette and LADCP during SUMMER cruise

Data from: Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves

Daniel Gómez-Gras
Understanding the resilience of temperate reefs to climate change requires exploring the recovery capacity of their habitat-forming species from recurrent marine heatwaves (MHWs). Here, we show that, in a Mediterranean highly enforced Marine Protected Area established more than 40 years ago, habitat-forming octocoral populations that were firstly affected by a severe MHW in 2003 have not recovered after 15 years. Contrarily, they have followed collapse trajectories that have brought them to the brink of local...

Data from: Cell turnover and detritus production in marine sponges from tropical and temperate benthic ecosystems

Brittany E. Alexander, Kevin Liebrand, Ronald Osinga, Harm G. Van Der Geest, Wim Admiraal, Jack P. M. Cleutjens, Bert Schutte, Fons Verheyen, Marta Ribes, Emiel Van Loon & Jasper M. De Goeij
This study describes in vivo cell turnover (the balance between cell proliferation and cell loss) in eight marine sponge species from tropical coral reef, mangrove and temperate Mediterranean reef ecosystems. Cell proliferation was determined through the incorporation of 5-bromo-2′-deoxyuridine (BrdU) and measuring the percentage of BrdU-positive cells after 6 h of continuous labeling (10 h for Chondrosia reniformis). Apoptosis was identified using an antibody against active caspase-3. Cell loss through shedding was studied quantitatively by...

Data from: Maiden voyage into death: are fisheries affecting seabird juvenile survival during the first days at sea?

Isabel Afán, Joan Navarro, David Gremillet, Marta Coll & Manuela G. Forero
The study of juvenile migration behavior of seabird species has been limited so far by the inability to track their movements during long time periods. Foraging and flying skills of young individuals are assumed to be inferior to those of adults, making them more vulnerable during long-distance migrations. In addition to natural oceanographic effects and intrinsic conditions, incidental seabird harvest by human fisheries is one of the main causes for worldwide seabird population declines, and...

Data from: Persistent natural acidification drives major distribution shifts in marine benthic ecosystems

Cristina Linares, Montserrat Vidal, Miquel Canals, Diego Kersting, David Amblas, Eneko Aspillaga, Emma Cebrian, Antonio Delgado-Huertas, David Diaz, Joaquim Garrabou, Bernat Hereu, Laura Navarro, Nuria Teixido & Enric Ballesteros
Ocean acidification is one of the main stressors affecting marine ecosystems. Rare CO2 vents offer a unique opportunity to investigate the response of benthic ecosystems to acidification. However, the benthic habitats that have been investigated so far are mainly very shallow water (≤5 m depth) and, therefore, to habitats that are poorly representative of the broad range of habitats that occur on the continental shelf. Here, we show that a decrease from pH 8.1 to...

Data from: Response diversity in Mediterranean coralligenous assemblages facing climate change: Insights from a multispecific thermotolerance experiment

Daniel Gómez Gras, Cristina Linares, Sonia De Caralt, Emma Cebrian, Maša Frleta-Valić, Ignasi Montero-Serra, Marta Pagès-Escolà, Paula López-Sendino & Joaquim Garrabou
Climate change threatens coastal benthic communities on a global scale. However, the potential effects of ongoing warming on mesophotic temperate reefs at the community level remain poorly understood. Investigating how different members of these communities will respond to the future expected environmental conditions is, therefore, key to anticipating their future trajectories and developing specific management and conservation strategies. Here, we examined the responses of some of the main components of the highly diverse Mediterranean coralligenous...

Data from: Postglacial range expansion shaped the spatial genetic structure in a marine habitat-forming species: implications for conservation plans in the Eastern Adriatic Sea

Jean-Baptiste Ledoux, Maša Frleta-Valić, Silvija Kipson, Agostinho Antunes, Emma Cebrian, Cristina Linares, Pablo Sánchez, Raphael Leblois & Joaquim Garrabou
Aim: Understanding how historical and contemporary processes shaped and maintain spatial patterns of genetic diversity is a major goal for conservation biologists. Here, we characterized the pattern of neutral genetic diversity and we inferred underlying processes in the habitat-forming octocoral Paramuricea clavata in the Adriatic Sea, a peculiar phylogeographic region of the Mediterranean Sea. Location: Eastern coast of the Adriatic Sea. Methods: We genotyped seven microsatellites in 454 individuals of P. clavata from 13 populations...

Data from: Sea turtle epibiosis: Global patterns and knowledge gaps

Joseph B. Pfaller & Nathan J. Robinson
This database serves to summarize over 100 years of sea turtle epibiont research. We conducted a two-tiered literature search to compile all records of sea turtle-epibiont interactions along with their associated metadata. A structured search was conducted in Web of Science, Google Scholar, and Sea Turtle Online Bibliography (Archie Carr Center for Sea Turtle Research, University of Florida), then an unstructured literature search was conducted by reviewing the reference lists of all relevant publications and...

Data from: Particle-association lifestyle is a phylogenetically conserved trait in bathypelagic prokaryotes

Guillem Salazar Guiral, Francisco Cornejo-Castillo, Encarna Borrull, Cristina Díez-Vives, Elena Lara, Dolors Vaqué, Jesús Arrieta, Carlos Duarte, Josep Gasol & Silvia Acinas
The free-living (FL) and particle-attached (PA) marine microbial communities have repeatedly been proved to differ in their diversity and composition in the photic ocean and also recently in the bathypelagic ocean at a global scale. However, although high taxonomic ranks have been proved to exhibit preferences for a PA or FL mode of life, it remains poorly understood whether two clear lifestyles do exist and how these are distributed across the prokaryotic phylogeny. We studied...

Data from: The oceanic biological pump: rapid carbon transfer to depth at continental margins during winter

Laurenz Thomsen, Jacopo Aguzzi, Corrado Costa, Fabio De Leo, Andrea Ogston & Autun Purser
The oceanic biological pump is responsible for the important transfer of CO2-C as POC “Particulate Organic Carbon” to the deep sea. It plays a decisive role in the Earth’s carbon cycle and significant effort is spent to quantify its strength. In this study we used synchronized daily time-series data of surface chlorophyll-a concentrations from the NASA’s MODIS satellite in combination with hourly to daily observations from sea surface buoys and from an Internet Operated Vehicle...

Data from: Host-targeted RAD-Seq reveals genetic changes in the coral Oculina patagonica associated with range expansion along the Spanish Mediterranean coast

Karine Posbic Leydet, Carsten G.B. Grupstra, Rafel Coma, Marta Ribes, Michael E. Hellberg & Carsten G. B. Grupstra
Many organisms are expanding their ranges in response to changing environmental conditions. Understanding the patterns of genetic diversity and adaptation along an expansion front is crucial to assessing a species’ long-term success. While next-generation sequencing techniques can reveal these changes in fine detail, ascribing them to a particular species can be difficult for organisms that live in close association with symbionts. Using a novel modified restriction-site associated DNA sequencing (RAD-Seq) protocol to target coral DNA,...

Data from: Strong linkages between depth, longevity and demographic stability across marine sessile species

Ignasi Montero-Serra, Cristina Linares, Daniel F. Doak, Jean-Baptiste Ledoux & Joaquim Garrabou
Understanding the role of the environment in shaping the evolution of life histories remains a major challenge in ecology and evolution. We synthesize longevity patterns of marine sessile species and find strong positive relationships between depth and maximum lifespan across multiple sessile marine taxa, including corals, bivalves, sponges and macroalgae. Using long-term demographic data on marine sessile and terrestrial plant species, we show that extreme longevity leads to strongly dampened population dynamics. We also used...

Data from: Effect of oceanographic barriers and overfishing on the population genetic structure of the European spiny lobster (Palinurus elephas)

Ferran Palero, Pere Abelló, Enrique Macpherson, Mark Beaumont & Marta Pascual
Defining population structure and genetic diversity levels is of the utmost importance for developing efficient conservation strategies. Overfishing has caused mean annual catches of the European spiny lobster (Palinurus elephas) to decrease alarmingly along its distribution area. In this context, there is a need for comprehensive studies to evaluate the genetic health of the exploited populations. The present work is based on a set of 10 nuclear markers amplified in 331 individuals from 10 different...

Drivers of spatiotemporal variability in bycatch of a top marine predator: First evidence for the role of water turbidity in protected species bycatch

Cian Luck, Michelle Cronin, Martha Gosch, Kieran Healy, Ronan Cosgrove, Oliver Tully, Emer Rogan & Mark Jessopp
1. Bycatch of protected species in static net fisheries is a global conservation concern and is currently considered the dominant anthropogenic threat to many marine mammal species worldwide. Effective bycatch mitigation remains challenging, contingent on an understanding of the underlying mechanisms that cause individuals to become entangled. 2. We combined data collected by scientific observers and fishers to identify predictors of seal bycatch in static net fisheries along the west, southwest, and south coasts of...

Artificial light at night erases positive interactions across trophic levels

Elena Maggi, Lucia Bongiorni, Debora Fontanini, Antonella Capocchi, Martina Dal Bello, Andrea Giacomelli & Lisandro Benedetti-Cecchi
1. Artificial light at night (ALAN) is one of the most recently recognized sources of anthropogenic disturbance, with potentially severe effects on biological systems that are still to be fully explored. Among marine ecosystems, high shore habitats are those more likely to be impacted by ALAN, due to a more intense exposition to outdoor nocturnal lightings (mostly from lamps along coastal streets and promenades, or within harbors, ports and marinas). 2. By performing in situ...

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