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Global warming scenarios for the Eastern Adriatic Sea indicate a higher risk of invasiveness of non-native marine organisms relative to current climate conditions

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Marine Life Science & Technology 2024年第1期6卷 143-154页

作者： Branko Glamuzina Lorenzo Vilizzi Marina Piria Ante Zuljevic Ana Bratos Cetinic Ana Pesic Branko Dragicevic Lovrenc Lipej marijana pecarevic Vlasta Bartulovic Sanja Grđan Ivan Cvitkovic Tatjana Dobroslavic Ana Fortic Luka Glamuzina Borut Mavric Jovana Tomanic Marija Despalatovic Domen Trkov Marina Brailo Scepanovic Zoran Vidovic Predrag Simonovic Sanja Matic-Skoko Pero Tutman Department of Applied Ecology University of DubrovnikDubrovnikCroatia Department of Ecology and Vertebrate Zoology Faculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland Faculty of Agriculture Department of FisheriesApicultureWildlife Management and Special ZoologyUniversity of ZagrebZagrebCroatia Institute of Oceanography and Fisheries SplitCroatia Institute of Marine Biology University of MontenegroKotorMontenegro National Institute of Biology Marine Biology Station PiranPiranSlovenia Teacher Education Faculty University of BelgradeBelgradeSerbia Faculty of Biology University of BelgradeBelgradeSerbia

Globally,marine bioinvasions threaten marine ecosystem structure and function,with the Mediterranean Sea being one of the most affected *** invasions are expected to increase due to climate *** conducted a risk screening of marine organisms(37 fishes,38 invertebrates,and 9 plants),both extant and‘horizon’(i.e.,not present in the area but likely to enter it).Based on expert knowledge for the Eastern Adriatic Sea coasts of Slovenia,Croatia,and Montenegro,screenings were conducted under both current and predicted climate conditions indicating with an increase in sea surface temperature and salinity of the Adriatic Sea together with changes in precipitation *** aims were to:(1)identify non-native extant and horizon marine species that may pose threats to native biodiversity and(2)evaluate the risk of invasiveness of the selected species under current and predicted climate *** the 84 species screened,there was an increase in those ranked as‘high risk’from 33(39.3%)under current climate conditions and to 47(56.0%)under global warming *** those ranked as‘very high’risk,the increase was from 6(7.1%)to 21(25.0%).Amongst the screened species,the already established high-risk species Pacific oyster Magallana gigas and Atlantic blue crab Callinectes sapidus represent a threat to ecosystem *** the under-representation of marine species in the current European Union List,the species we have ranked as high to very high risk should be included.

关键词： AS-ISK Early detection Introduction vectors/pathways Invasive species Rapid response

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Rainfall Influence on the Abundance of Bacteria in Dubrovnik Marine Waters

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Journal of Health Science 2018年第5期6卷 355-357页

作者： Antonia Mercep Andrej Jozinovic Lucia Stipicevic Dolores Grilec marijana pecarevic Department of Aquaculture University of Dubrovnik Cira Carica 4 Dubrovnik Croatia Institute of Public Health Dubrovnik-Neretva County Dr. Ante Sercera 4a Dubrovnik Croatia

Microbiological testing of the sea gives us great knowledge about its quality for swimming. Here we are following the fluctuations in the abundance of E. coli colonies, intestinal enterococci and total coliforms on three beaches in Dubrovnik during the rainfall in winter and spring. Three beaches Porporela, Banje and Excelsior are the most visited beaches during the summer season. Samples were taken before, during and after the rainfall on the surface, in the depth of 0.5 m and 1 m. Membrane filtration was used for sample treatment. Expected increase in the abundance of colonies is shown most on the Banje beach where the total coliforms increased 15.80 times while on the Excelsior beach E. coli colonies increased 12 times during the rainfall. On the Porporela beach there was a mild increase of intestinal enterococci colonies for 6.66 times. Regarding the data of the Institute of Public Health Dubrovnik-Neretva County the beaches were mostly marked as “excellent” especially since 2003 when the sewers were regulated in the Dubrovnik Old Town. The number of all colonies after the rainfall reduced for 99.80% in all three locations.

关键词： Bacteria sea for swimming rainfall

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