NEW INSIGHTS INTO THE DYNAMICS OF THE TOXIC DINOFLAGELLATE DINOPHYSIS EHRENBERG AND DSP (DIARRHETIC SHELLFISH POISONING) EVENTS IN THE ADRIATIC SEA: IMPLICATIONS FOR SAFE MARINE AQUACULTURE PRODUCTION MANAGEMENT

NUOVE INFORMAZIONI SULLE DINAMICHE DEL DINOFLAGELLATO TOSSICO DINOPHYSIS EHRENBERG E SUGLI EVENTI DI DSP (SINDROME DIARROICA DA MOLLUSCHI) NEL MAR ADRIATICO: IMPLICAZIONI PER UNA GESTIONE SICURA DELLA PRODUZIONE DI ACQUACOLTURA MARINA

Authors

  • Giorgia Ravera Università degli Studi di Urbino Carlo Bo - Dipartimento di Scienze Biomolecolari
  • Monica Cangini Fondazione Centro Ricerche Marine, National Reference Laboratory for Marine Biotoxins, Viale A. Vespucci, 2, 47042 Cesenatico, Italy
  • Fabio Ricci Department of Biomolecular Sciences, University of Urbino, Campus Enrico Mattei, Via Ca le Suore, 2/4 61029, Urbino, Italy
  • Samuela Capellacci Department of Biomolecular Sciences, University of Urbino, Campus Enrico Mattei, Via Ca le Suore, 2/4 61029, Urbino, Italy
  • Federica Grilli National Research Council (CNR), Institute for Biological Resources and Marine Biotechnologies (IRBIM), Via Largo Fiera della Pesca, 2, 60125, Ancona, Italy
  • Christian Ferrarin CNR-National Research Council, ISMAR - Institute of Marine Sciences in Venice, Castello 2737/f, 30122 Venice, Italy
  • Silvia Casabianca Department of Biomolecular Sciences, University of Urbino, Campus Enrico Mattei, Via Ca le Suore, 2/4 61029, Urbino, Italy
  • Stefania Milandri Fondazione Centro Ricerche Marine, National Reference Laboratory for Marine Biotoxins, Viale A. Vespucci, 2, 47042 Cesenatico, Italy
  • Giuseppe Prioli M.A.R.E. S.c. a r.l., Via E. Toti, 2, 47841 Cattolica, Italy
  • Mauro Marini National Research Council (CNR), Institute for Biological Resources and Marine Biotechnologies (IRBIM), Via Largo Fiera della Pesca, 2, 60125, Ancona, Italy
  • Antonella Penna Department of Biomolecular Sciences, University of Urbino, Campus Enrico Mattei, Via Ca le Suore, 2/4 61029, Urbino, Italy

DOI:

https://doi.org/10.82008/bmm.v30i1.421

Keywords:

Dinophysis, Harmful algal blooms (HABs), Long-term monitoring, mussel farming, Phytoplankton ecology

Abstract

Dinophysis spp. are harmful marine dinoflagellates that produce lipophilic toxins able to accumulate in mussels. Mussel farming is a key activity along the northern Adriatic coast, where Dinophysis dynamics, DSP toxicity events, and environmental conditions were monitored from 1998 to 2023. A clear seasonality emerged: D. acuminata (Claparède & Lachmann) and D. sacculus (F.Stein) occurred in spring–summer, followed by D. caudata (Saville-Kent), D. fortii (Pavillard), and D. tripos (Pavillard) in autumn. DSP toxicity events occurred mainly in autumn–winter, significantly correlated with D. caudata (rs = 0.84), D. fortii (rs = 0.83), and D. tripos (rs = 0.66). Some species showed preferential temperature ranges. Mussel toxicity declined with time, alongside decreasing DIN, phosphate, total phosphorus, and chlorophyll a. Nevertheless, in 2015 and 2022, prolonged toxicity events linked to colder surface waters were recorded. This study emphasises the significance of long-term monitoring to understand Dinophysis variability and improve aquaculture management.

Downloads

Published

2026-05-20

How to Cite

Ravera, G., Cangini, M., Ricci, F., Capellacci, S., Grilli, F., Ferrarin, C., … Penna, A. (2026). NEW INSIGHTS INTO THE DYNAMICS OF THE TOXIC DINOFLAGELLATE DINOPHYSIS EHRENBERG AND DSP (DIARRHETIC SHELLFISH POISONING) EVENTS IN THE ADRIATIC SEA: IMPLICATIONS FOR SAFE MARINE AQUACULTURE PRODUCTION MANAGEMENT: NUOVE INFORMAZIONI SULLE DINAMICHE DEL DINOFLAGELLATO TOSSICO DINOPHYSIS EHRENBERG E SUGLI EVENTI DI DSP (SINDROME DIARROICA DA MOLLUSCHI) NEL MAR ADRIATICO: IMPLICAZIONI PER UNA GESTIONE SICURA DELLA PRODUZIONE DI ACQUACOLTURA MARINA . Biologia Marina Mediterranea, 30(1), 212–215. https://doi.org/10.82008/bmm.v30i1.421