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Meiobenthos and ocean acidification: effects on meiobenthic communities inhabiting Mediterranean cold shallow CO2-vents
Cocozza di Montanara, A.; Baldrighi, E.; Lopez Correa, M.; Chianese, E.; Appolloni, L.; Simoncini, N.; Sandulli, R.; Zeppilli, D.; Semprucci, F.; Gambi, M.C.; Ferrigno, F.; Donnarumma, L. (2024). Meiobenthos and ocean acidification: effects on meiobenthic communities inhabiting Mediterranean cold shallow CO2-vents. Est., Coast. and Shelf Sci. 300: 108730. https://dx.doi.org/10.1016/j.ecss.2024.108730
In: Estuarine, Coastal and Shelf Science. Academic Press: London; New York. ISSN 0272-7714; e-ISSN 1096-0015, meer
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| Auteurs | | Top |
- Cocozza di Montanara, A.
- Baldrighi, E.
- Lopez Correa, M.
- Chianese, E.
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- Appolloni, L.
- Simoncini, N.
- Sandulli, R.
- Zeppilli, D.
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- Semprucci, F.
- Gambi, M.C., meer
- Ferrigno, F.
- Donnarumma, L.
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| Abstract |
Ocean acidification is causing major changes in marine ecosystems, with varying levels of impact, depending both on the habitat and the studied organisms. Here, we investigated for the first time the meiobenthos and nematode fauna inhabiting the sediments around Castello Aragonese (Ischia, Italy), characterized by variable pH values due to coastal volcanic CO2 venting. In this scenario, nematode functional diversity changed according to different pH levels and grain size: maturity index was higher at most acidic stations and trophic composition spanned from the dominance of predators in the acidic stations, to the high abundance of non-selective deposit feeders and epistrate feeders in the ambient-pH stations. Overall, the present study revealed a relatively high tolerance of meiobenthos and nematodes to lower pH conditions. However, an in-depth analysis of nematode fauna showed differences in their assemblages at different pH levels with few nematode genera rather adapted to the extreme environmental conditions at the acidic stations.
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