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New peer-reviewed papers

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Sep 22, 2014 3:18 AM
Abiotic versus biotic drivers of ocean pH variation under fast sea ice in McMurdo Sound, Antarctica
Ocean acidification is expected to have a major effect on the marine carbonate system over the next century, particularly in high latitude seas. Less appreciated is natural environmental variation within these systems, particularly in terms of pH, and how this natural variation may inform laboratory experiments. In this study, we deployed sensor-equipped moorings at 20 […]

Sep 20, 2014 6:36 AM
Mg/Ca composition of benthic foraminifera Miliolacea as a new tool of paleoceanography
The Mg/Ca compositions of benthic foraminifera from the superfamily Miliolacea have been studied to explore the use of these high-Mg foraminifera as a proxy for deep ocean conditions. Taxonomic analyses, relative abundance, and depth distributions of different Miliolacea species were carried out on a collection of core-top samples, covering a depth range of 131 m to […]

Sep 20, 2014 3:52 AM
Community calcification in Lizard Island, Great Barrier Reef: a 33 year perspective
Measurements of community calcification (Gnet) were made during September 2008 and October 2009 on a reef flat in Lizard Island, Great Barrier Reef, Australia, 33 years after the first measurements were made there by the LIMER expedition in 1975. In 2008 and 2009 we measured Gnet = 61 ± 12 and 54 ± 13 mmol […]

Sep 19, 2014 4:56 AM
The influence of ocean acidification on nitrogen regeneration and nitrous oxide production in the northwest European shelf sea (update)
The assimilation and regeneration of dissolved inorganic nitrogen, and the concentration of N2O, was investigated at stations located in the NW European shelf sea during June/July 2011. These observational measurements within the photic zone demonstrated the simultaneous regeneration and assimilation of NH4+, NO2− and NO3−. NH4+ was assimilated at 1.82–49.12 nmol N L−1 h−1 and […]

Sep 19, 2014 4:14 AM
Elevated carbon dioxide alters the plasma composition and behaviour of a shark
Increased carbon emissions from fossil fuels are increasing the pCO2 of the ocean surface waters in a process called ocean acidification. Elevated water pCO2 can induce physiological and behavioural effects in teleost fishes, although there appear to be large differences in sensitivity between species. There is currently no information available on the possible responses to […]

Sep 19, 2014 2:32 AM
Effect of ocean warming and acidification on a plankton community in the NW Mediterranean Sea
The effect of ocean warming and acidification was investigated on a natural plankton assemblage from an oligotrophic area, the bay of Villefranche (NW Mediterranean Sea). The assemblage was sampled in March 2012 and exposed to the following four treatments for 12 days: control (∼360 μatm, 14°C), elevated pCO2 (∼610 μatm, 14°C), elevated temperature (∼410 μatm, […]

Sep 18, 2014 8:59 AM
Multigenerational exposure to ocean acidification during food limitation reveals consequences for copepod scope for growth and vital rates
The copepod Calanus finmarchicus is a key component of northern Atlantic food webs, linking energy-transfer from phytoplankton to higher trophic levels. We examined the effect of different ocean acidification (OA) scenarios (i.e. ambient, 1080, 2080 and 3080 μatm CO2) over two subsequent generations under limited food availability. Determination of metabolic- and feeding rates, and estimations […]

Sep 18, 2014 8:40 AM
Consistent increase in dimethyl sulfide (DMS) in response to high CO2 in five shipboard bioassays from contrasting NW European waters (update)
The ubiquitous marine trace gas dimethyl sulfide (DMS) comprises the greatest natural source of sulfur to the atmosphere and is a key player in atmospheric chemistry and climate. We explore the short-term response of DMS production and cycling and that of its algal precursor dimethyl sulfoniopropionate (DMSP) to elevated carbon dioxide (CO2) and ocean acidification […]

Sep 17, 2014 6:22 AM
Evidence that high pCO2 affects protein metabolism in tropical reef corals
Early life stages of the coral Seriatopora caliendrum were used to test the hypothesis that the depression of dark respiration in coral recruits by high pCO2 is caused by perturbed protein metabolism. First, the contribution of protein anabolism to respiratory costs under high pCO2 was evaluated by measuring the aerobic respiration of S. caliendrum recruits […]

Sep 17, 2014 5:00 AM
Early-life exposure to climate change impairs tropical shark survival
Sharks are one of the most threatened groups of marine animals worldwide, mostly owing to overfishing and habitat degradation/loss. Although these cartilaginous fish have evolved to fill many ecological niches across a wide range of habitats, they have limited capability to rapidly adapt to human-induced changes in their environments. Contrary to global warming, ocean acidification […]