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|a Limacina helicina shell dissolution as an indicator of declining habitat suitability due to ocean acidification in the California Current Ecosystem |h [electronic resource]. |
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|a [S.l.] : |b Royal Society Publishing, |c 2014. |
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|a Proceedings of the Royal Society. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Few studies to date have demonstrated widespread biological impacts of
ocean acidification (OA) under conditions currently found in the natural
environment. From a combined survey of physical and chemical water properties
and biological sampling along the Washington–Oregon–California
coast in August 2011, we show that large portions of the shelf waters are corrosive
to pteropods in the natural environment. We show a strong positive
correlation between the proportion of pteropod individuals with severe
shell dissolution damage and the percentage of undersaturated water in
the top 100 m with respect to aragonite. We found 53% of onshore individuals
and 24% of offshore individuals on average to have severe dissolution
damage. Relative to pre-industrial CO2 concentrations, the extent of undersaturated
waters in the top 100 m of the water column has increased over
sixfold along the California Current Ecosystem (CCE). We estimate that
the incidence of severe pteropod shell dissolution due to anthropogenic
OA has doubled in near shore habitats since pre-industrial conditions
across this region and is on track to triple by 2050. These results demonstrate
that habitat suitability for pteropods in the coastal CCE is declining. The
observed impacts represent a baseline for future observations towards
understanding broader scale OA effects. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15042649/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/04/26/49/00001/Bednarsek et al_2014_Limacina helicina shell dissolution as an indicator of declining habitatthm.jpg |
