Page 9 - Observations_1995

S. Calvo et al. /Science of the Total Environment 165 (1995) 23-31 31

and origin to those reported in the Adriatic Sea, osservazioni sulla presenza di aggregati mucosi lung0 le
occurred both free floating in the water column caste siciliane. Ambiente 2000, Ed. Arbor, Palermo, 5:
18-19.
and laying on the sea bottom, only along Tyrrhe- Diviacco, G., 1992. Aggregati gelatinosi in Mar Tirreno du-
rian coast. rante Testate 1991: indagini s&la presenza e sull’evoluzione
The Jonian coast and Sicilian Channel were de1 fenomeno. Quademi dell’Accademia Intemazionale di
affected, in 1991, by a massive growth of thread- Scienze e Tecniche Subaquee Ustica, 9: 19-31.
like algae mostly dominated by Ectocarpaceae. Fonda Umani, S., E. Ghirardelli e and M. Specchi, 1989. il
Amorphous mucus aggregates did not occur fenomeno de1 “mare sporco” nell’Adriatico. In: A. Bram-
along all of the Sicilian coasts during summer bati (Ed.), Cons&ho Nazionale delle ricerche, Progetto
Strategico Oceanografia e Tecnologie Marine, pp. 37-42.
1992. Moreover, a massive growth of metaphytic Giaccone, G., 1992. Nematotalli algali mucillaginogeni sulle
filamentous algae was observed. caste della Sicilia e delle sue isole rninori. Quaderni
The cause of the development of mucus aggre- dell’Accademia Intemazionale di Scienze e Tecniche Sub-
gates along the Tyrrherian coast, in our opinion, aquee Ustica, 9: 9-18.
should have investigated both with regard to the Giaccone, G. and M. Sortino, 1965. Flora e vegetazione algale
dell’lsola delle Femmine. Lav. Lst. Bot. Giard. Col.,
peculiar climatic conditions of 1991 and to the Palermo, 21: 140-164.
welling-up phenomena, which caused an addit- Hemdl, G.J. and P. Peduui, 1988. The ecology of amorphus
ional nutrient supply to these waters. aggregations (marine snow) in the Northern Adriatic Sea: I.
General considerations. P.S.Z.N.I. Mar. Ecol., 9, 1: 79-80.
Acknowledgements Innamorati, M., 1992. Mucillagini e fitoplancton. Quademi
dell’Accademia Intemazionale di Scienze e Tecniche Sub-
aquee Ustica, 9: 61-80.
We wish to thank the ‘Comando Stazione Riebesell, U., 1992. The formation of large marine snow and
Navale’ - Guardia di Finanza of Palermo for its sustained residence in surface waters. Limnol. Oceanogr.,
their helpful and constant assistance in the field 37, 1: 63-76.
work; Dr. R. Randazzo and Mr. S. Torregrossa of Rinaldi, A., 1992. Aggregati mucillaginosi nei mari italiani.
the Sea Sub of Sciacca for the help offered during Quademi dell’Accademia Intemazionale di Scienze e Tec-
sampling. niche Subacquee Ustica, 9: 47-60.
Sartoni, G. and C. Sonni, 1992. Tribonema marinum J. Feld-
mann e Acinetospora crinita (Carmichael) Sauvageau nelle
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Calve, S., R. Barone and L. Naselli Flores, 1991. Prime occurrences. P.S.Z.N.I. Mar. Ecol., ll(4): 327-350.