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#1Laura Cappelatti (Swansea University)
#2Alizée Mauffrey (Swansea University)
Last.John N. Griffin (Swansea University)H-Index: 24
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Ecologists use a functional trait-based approach to seek a general understanding of organism—environment interactions, but, among primary producers, the empirical basis rests on vascular plants. We hypothesised that with increasing intertidal elevation, traits of large brown macroalgae would reflect a resource acquisition vs. conservation (stress tolerance) trade-off at species and community levels. Across the elevation gradient at four UK sites of varying wave exposure, we: (1) screened species...
#1Feng Tang (UNB: University of New Brunswick)H-Index: 1
Last.Rémy Rochette (UNB: University of New Brunswick)H-Index: 16
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A large-scale survey in 2011–2014 found that ovigerous female American lobsters, Homarus americanus, carrying “abnormal” early clutches (< 50% of abdomen covered by eggs) were ubiquitous in eastern Canada. This could be caused by reduced production of oocytes, or insufficient sperm to fertilize all oocytes produced. To address the oocyte limitation hypothesis, ovarian fecundity was assessed in 343 pre-spawn females and clutch fecundity in 169 post-spawn females sampled from ten sites across east...
Coral colonies regularly suffer tissue damage from natural and anthropogenic sources. The resultant wounds can decrease colony fitness and act as sources of infection or algal overgrowth. By systematically breaking branches on 54 Pocillopora meandrina colonies and following in situ tissue regeneration (April–August 2017), variation in the wound recovery process was investigated within colonies, among colonies, and across four sites on O‘ahu, Hawai‘i. Ninety-five percent of all wounds healed, wit...
#1Nicolas Djeghri (Marin Software)H-Index: 1
#2Philippe Pondaven (Marin Software)H-Index: 20
Last.Michael N Dawson (UCM: University of California, Merced)H-Index: 31
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Many marine organisms form photosymbioses with zooxanthellae, but some, such as the medusozoans, are less well known. Here, we summarize the current knowledge on the diversity of zooxanthellate jellyfishes, to identify key traits of the holobionts, and to examine the impact of these traits on their ecology. Photosymbiosis with zooxanthellae originated at least seven times independently in Medusozoa; of these, five involve taxa with medusae. While most zooxanthellate jellyfishes are found in clad...
#1Matthew J. Desmond (University of Otago)H-Index: 1
#2Daniel W. Pritchard (University of Otago)H-Index: 9
Last.Christopher D. Hepburn (University of Otago)H-Index: 15
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In New Zealand, the kelp Undaria pinnatifida has colonized nearly all major coastal ports and has spread to colonize diverse habitats over a range of hydrodynamic environments. We report one of the earliest surveys of the distribution of this species in Macrocystis pyrifera dominated kelp forest habitats in New Zealand alongside experiments comparing the photosynthetic physiology of U. pinnatifida to nine native co-occurring macroalgal species. Undaria pinnatifida was identified at four location...
#1Laurent Duchatelet (Catholic University of Leuven)H-Index: 1
#2Jérôme Delroisse (University of Mons)H-Index: 7
Last.Jérôme Mallefet (Catholic University of Leuven)H-Index: 17
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Luminous deep-sea etmopterid sharks use hormonal control to regulate bioluminescence. Melatonin and prolactin trigger light emission and, conversely, α-melanocyte stimulating hormone actively reduces ongoing luminescence. Interestingly, these hormones are also known as regulators of skin pigment motion in teleost fish and epipelagic elasmobranchs. On the other hand, the melanin-concentrating hormone (MCH) is another regulator of the skin pigment motion in fish melanophores. Here, we studied the ...
#1Maya S. deVries (SJSU: San Jose State University)
#2Summer J. Webb (UCSD: University of California, San Diego)H-Index: 1
Last.Jennifer R. A. Taylor (UCSD: University of California, San Diego)H-Index: 7
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Morphological plasticity is a critical mechanism that animals use to cope with variations in resource availability. During periods of food scarcity, sea urchins demonstrate an increase in jaw length relative to test diameter. This trait is thought to be reversible and adaptive by yielding an increase in feeding efficiency. We directly tested the hypotheses that (1) there are reversible shifts in jaw length to test diameter ratios with food abundance in individual urchins, and (2) these shifts al...
#2Alistair G. B. Poore (UNSW: University of New South Wales)H-Index: 26
Last.Nelson Valdivia (Austral University of Chile)H-Index: 17
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Consumer pressure in benthic communities is predicted to be higher at low than at high latitudes, but support for this pattern has been ambiguous, especially for herbivory. To understand large-scale variation in biotic interactions, we quantify consumption (predation and herbivory) along 2500 km of the Chilean coast (19°S–42°S). We deployed tethering assays at ten sites with three different baits: the crab Petrolisthes laevigatus as living prey for predators, dried squid as dead prey for predato...
#1Pierre-Yves PascalH-Index: 11
#2Pierrick Bocher (CNRS: Centre national de la recherche scientifique)H-Index: 16
Last.Christine Dupuy (CNRS: Centre national de la recherche scientifique)H-Index: 22
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Evaluations of the functioning of benthic marine food webs could be improved by quantifying organic matter fluxes from the meiofauna to higher trophic levels. In this study, we measured the simultaneous ingestion of meiofauna and macrofauna by common dwellers of a tropical intertidal mudflat on the coast of Amazonia. The meiofauna and macrofauna (tanaid) communities of a tropical intertidal mudflat of French Guiana were separately enriched with 15N and 13C, respectively. The enriched preys were ...
#1Ping Ni (CAS: Chinese Academy of Sciences)H-Index: 3
#2Kieran J. Murphy (St. Francis Xavier University)
Last.Aibin Zhan (CAS: Chinese Academy of Sciences)H-Index: 23
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Biological invasion provides a promising system for studying rapid environmental accommodation and adaptation in the wild. Mounting evidence indicates that epigenetic modifications such as DNA methylation play crucial roles in rapid local accommodation and adaptation. Thus, we hypothesize that different local environments can trigger methylation divergence among marine invasive populations at fine geographical scales. In this study, we examined population methylation patterns in the invasive asc...
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