Cigliano, M; Gambi, Maria Cristina; Rodolfo-Metalpa, Riccardo; Patti, F P; Hall-Spencer, Jason M (2010): Seawater carbonate chemistry near the Island of Ischia, Italy, 2008 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.752261, Supplement to: Cigliano, M et al. (2010): Effects of ocean acidification on invertebrate settlement at volcanic CO2 vents. Marine Biology, 157(11), 2489-2502, https://doi.org/10.1007/s00227-010-1513-6
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Abstract:
We present the first study of the effects of ocean acidification on settlement of benthic invertebrates and microfauna. Artificial collectors were placed for 1 month along pH gradients at CO2 vents off Ischia (Tyrrhenian Sea, Italy). Seventy-nine taxa were identified from six main taxonomic groups (foraminiferans, nematodes, polychaetes, molluscs, crustaceans and chaetognaths). Calcareous foraminiferans, serpulid polychaetes, gastropods and bivalves showed highly significant reductions in recruitment to the collectors as pCO2 rose from normal (336-341 ppm, pH 8.09-8.15) to high levels (886-5,148 ppm) causing acidified conditions near the vents (pH 7.08-7.79). Only the syllid polychaete Syllis prolifera had higher abundances at the most acidified station, although a wide range of polychaetes and small crustaceans was able to settle and survive under these conditions. A few taxa (Amphiglena mediterranea, Leptochelia dubia, Caprella acanthifera) were particularly abundant at stations acidified by intermediate amounts of CO2 (pH 7.41-7.99). These results show that increased levels of CO2 can profoundly affect the settlement of a wide range of benthic organisms.
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Funding:
Coverage:
Median Latitude: 40.731267 * Median Longitude: 13.963793 * South-bound Latitude: 40.730400 * West-bound Longitude: 13.963290 * North-bound Latitude: 40.732500 * East-bound Longitude: 13.965000
Date/Time Start: 2008-06-05T00:00:00 * Date/Time End: 2008-12-05T00:00:00
Minimum DEPTH, water: 2 m * Maximum DEPTH, water: 2 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Identification | ID | Gambi, Maria Cristina | |||
| 3 | DEPTH, water | Depth water | m | Geocode | ||
| 4 | Salinity | Sal | Gambi, Maria Cristina | |||
| 5 | Temperature, water | Temp | °C | Gambi, Maria Cristina | ||
| 6 | Alkalinity, total | AT | µmol/kg | Gambi, Maria Cristina | Alkalinity, Gran titration (Gran, 1950) | |
| 7 | Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) | pCO2water_SST_wet | µatm | Gambi, Maria Cristina | ||
| 8 | pH | pH | Gambi, Maria Cristina | pH meter (Metrohm, 826 pH mobile) | Total scale | |
| 9 | Carbon dioxide | CO2 | µmol/kg | Gambi, Maria Cristina | Calculated using SYSTAT | |
| 10 | Bicarbonate ion | [HCO3]- | µmol/kg | Gambi, Maria Cristina | Calculated using SYSTAT | |
| 11 | Carbonate ion | [CO3]2- | µmol/kg | Gambi, Maria Cristina | Calculated using SYSTAT | |
| 12 | Carbon, inorganic, dissolved | DIC | µmol/kg | Gambi, Maria Cristina | Calculated using SYSTAT | |
| 13 | Aragonite saturation state | Omega Arg | Gambi, Maria Cristina | Calculated using SYSTAT | ||
| 14 | Calcite saturation state | Omega Cal | Gambi, Maria Cristina | Calculated using SYSTAT |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
288 data points