Abstract：
:The new record of a shallow-water submarine hydrothermal field (<150 m w.d.) in the western Mediterranean Sea (Tyrrhenian Sea, Italy) allows us to study CO2 fluid impact on benthic foraminifers. Benthic foraminifers calcification process is sensitive to ocean acidification and to local chemical and physical parameters of seawater and pore water. Thus, foraminifers can record specific environmental conditions related to hydrothermal fluids, but at present their response to such activity is poorly defined. The major outcome of this study is the finding of a very uncommon taxon for the Mediterranean Sea, i.e., the Spiculosiphon oceana, a giant foraminifer agglutinating spicules of sponges. This evidence, along with the strong decrease of calcareous tests in the foraminiferal assemblages associated to hydrothermal activity, provides new insights on the meiofauna living in natural stressed environment. In particular, observations obtained from this study allow us to consider S. oceana a potential tolerant species of high CO2 concentrations (about 2-4 times higher than the normal marine values) and a proxy of acidic environments as well as of recent ocean acidification processes.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Di Bella L,Ingrassia M,Frezza V,Chiocci FL,Pecci R,Bedini R,Martorelli Edoi
10.1016/j.marenvres.2018.02.015subject
Has Abstractpub_date
2018-05-01 00:00:00pages
89-98eissn
0141-1136issn
1879-0291pii
S0141-1136(17)30635-9journal_volume
136pub_type
杂志文章abstract：:Heavy metal contamination in coastal and estuarine regions of inner Tolo Harbour, as well as some river and nullah areas, is one of the major water-pollution issues in Hong Kong. Zebrafish (Danio rerio) embryo-larvae was used to study metal uptake from coastal sediments collected from Fo Tan River (industrial area, Sh...
journal_title：Marine environmental research
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journal_title：Marine environmental research
pub_type： 杂志文章
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journal_title：Marine environmental research
pub_type： 杂志文章,评审
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pub_type： 杂志文章
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journal_title：Marine environmental research
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journal_title：Marine environmental research
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