Non-indigenous macrozoobenthic species on hard substrata of selected harbours in the Adriatic Sea

The intense shipping traffic characterising the Adriatic Sea favours the spread of marine organisms. Yet, a study of 12 Adriatic ports (4 on the western side and 8 on the eastern side of the basin) found that non-indigenous species (NIS) accounted for only 4% of the benthic communities settled on ha...

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Bibliographic Details
Published in:Marine pollution bulletin 2019-10, Vol.147, p.150-158
Main Authors: Spagnolo, A., Auriemma, R., Bacci, T., Balković, I., Bertasi, F., Bolognini, L., Cabrini, M., Cilenti, L., Cuicchi, C., Cvitković, I., Despalatović, M., Grati, F., Grossi, L., Jaklin, A., Lipej, L., Marković, O., Mavrič, B., Mikac, B., Nasi, F., Nerlović, V., Pelosi, S., Penna, M., Petović, S., Punzo, E., Santucci, A., Scirocco, T., Strafella, P., Trabucco, B., Travizi, A., Žuljević, A.
Format: Article
Language:English
Subjects:
Adriatic Sea
Animals
Aquatic Organisms
Basins
Benthic communities
Benthos
Biological Monitoring
Communities
Harbors
Harbours
Hard bottom
Introduced Species
Invertebrates
Macrozoobenthos
Marine invertebrates
Marine organisms
Mediterranean Sea
Native organisms
Non-indigenous species
Porifera
Ports
Shellfish
Shipping
Ships
Species diversity
Substrata
Substrates
Thoracica
Transportation Facilities
Urochordata
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Summary:The intense shipping traffic characterising the Adriatic Sea favours the spread of marine organisms. Yet, a study of 12 Adriatic ports (4 on the western side and 8 on the eastern side of the basin) found that non-indigenous species (NIS) accounted for only 4% of the benthic communities settled on hard substrates. The cirripeds Amphibalanus amphitrite and Balanus trigonus, found in 8 harbours, were the most common invaders followed by Amphibalanus eburneus, the ascidian Styela plicata, and the bivalve Magallana gigas. The highest percentage of NIS was recorded in Venice and Ploče, the harbours with the least rich native communities; the lowest percentage was retrieved in Trieste, Koper, Pula, and Rijeka, the harbours hosting the highest species diversity. In contrast, the ports of Bari and Ancona showed both high NIS percentages and highly diversified communities. •Harbours represent a suitable receptacle for non-indigenous species (NIS).•Fouling macrobiota were investigated from twelve western and eastern Adriatic ports.•Highest percentages of NIS were obtained where total Richness was low.•Biotic and abiotic factors are crucial in defining the vulnerability to invasibility.
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2017.12.031