Distribution of artificial radiocontamination in lagoon environment of northern Adriatic

1997 ◽  
pp. 241-248 ◽  
Author(s):  
C. Giovani ◽  
G. Mattassi ◽  
R. Padovani ◽  
A. Zanello ◽  
S. Zanini
Keyword(s):  
Northern Adriatic ◽  
Lagoon Environment

scholarly journals Behaviour of Metal(loid)s at the Sediment-Water Interface in an Aquaculture Lagoon Environment (Grado Lagoon, Northern Adriatic Sea, Italy)

2021 ◽  
Vol 11 (5) ◽  
pp. 2350
Author(s):  
Elisa Petranich ◽  
Matteo Crosera ◽  
Elena Pavoni ◽  
Jadran Faganeli ◽  
Stefano Covelli
Keyword(s):  
Sediment Cores ◽  
Fish Farm ◽  
Trophic Chain ◽  
Water Interface ◽  
Northern Adriatic Sea ◽  
Overlying Water ◽  
Northern Adriatic ◽  
In Situ Experiments ◽  
Diffusive Fluxes ◽  
Lagoon Environment

The cycling of metal(loid)s at the sediment–water interface (SWI) was evaluated at two selected sites (VN1 and VN3) in an active fish farm in the Grado Lagoon (Northern Adriatic, Italy). In situ experiments using a transparent benthic chamber and the collection of short sediment cores were performed, to investigate the behavior of metal(loid)s in the solid (sediments) and dissolved (porewaters) phases. Total and labile concentration of metal(loid)s were also determined in sediments, to quantify their potential mobility. Comparable total concentrations were found at both sites, excluding As, Mn, Pb and V, which were higher at VN3. Metal(loid) porewater profiles showed a diagenetic sequence and a close dependence with redox (suboxic/anoxic) conditions in the surface sediments. Positive diffusive fluxes along with benthic fluxes, particularly at the more oxic site, VN1, were found for almost all metal(loid)s, indicating their tendency to migrate towards the overlying water column. Despite sediments at two sites exhibiting high total metal(loid) concentrations and moderate effluxes at the SWI, the results suggest that they are hardly remobilized from the sediments. Recycling of metal(loid)s from the SWI would not constitute a threat for the aquatic trophic chain in the fish farm.

Benthic flux measurements of Hg species in a northern Adriatic lagoon environment (Marano and Grado Lagoon, Italy)

2012 ◽  
Vol 113 ◽  
pp. 71-84 ◽  
Author(s):  
Andrea Emili ◽  
Alessandro Acquavita ◽  
Neža Koron ◽  
Stefano Covelli ◽  
Jadran Faganeli ◽  
...  
Keyword(s):  
Benthic Flux ◽  
Northern Adriatic ◽  
Flux Measurements ◽  
Lagoon Environment

Suspended particulate mercury associated with tidal fluxes in a lagoon environment impacted by cinnabar mining activity (northern Adriatic Sea)

2018 ◽  
Vol 68 ◽  
pp. 100-113 ◽  
Author(s):  
Alisè Turritto ◽  
Alessandro Acquavita ◽  
Annelore Bezzi ◽  
Stefano Covelli ◽  
Giorgio Fontolan ◽  
...  
Keyword(s):  
Adriatic Sea ◽  
Mining Activity ◽  
Northern Adriatic Sea ◽  
Northern Adriatic ◽  
Particulate Mercury ◽  
Suspended Particulate ◽  
Lagoon Environment

Benthic fluxes of mercury species in a lagoon environment (Grado Lagoon, Northern Adriatic Sea, Italy)

2008 ◽  
Vol 23 (3) ◽  
pp. 529-546 ◽  
Author(s):  
Stefano Covelli ◽  
Jadran Faganeli ◽  
Cinzia De Vittor ◽  
Sergio Predonzani ◽  
Alessandro Acquavita ◽  
...  
Keyword(s):  
Adriatic Sea ◽  
Mercury Species ◽  
Benthic Fluxes ◽  
Northern Adriatic Sea ◽  
Northern Adriatic ◽  
Lagoon Environment

The Role of a Tidal Flat–Saltmarsh System as a Source–Sink of Mercury in a Contaminated Coastal Lagoon Environment (Northern Adriatic Sea)

2020 ◽  
Vol 26 (3) ◽  
pp. 245-267
Author(s):  
Elisa Petranich ◽  
Luca Terribili ◽  
Alessandro Acquavita ◽  
Elena Pavoni ◽  
Leonardo Langone ◽  
...  
Keyword(s):  
Coastal Lagoon ◽  
Tidal Flat ◽  
Adriatic Sea ◽  
Northern Adriatic Sea ◽  
Northern Adriatic ◽  
Source Sink ◽  
Lagoon Environment

scholarly journals Comparative Tissue Responses of Marine Mollusks on Seasonal Changes in the Northern Adriatic Sea

2021 ◽  
Vol 11 (6) ◽  
pp. 2874
Author(s):  
Natalija Topić Popović ◽  
Martina Krbavčić ◽  
Josip Barišić ◽  
Blanka Beer Ljubić ◽  
Ivančica Strunjak-Perović ◽  
...  
Keyword(s):  
Stress Responses ◽  
Seasonal Variations ◽  
Antioxidant Defense ◽  
Winter Season ◽  
Northern Adriatic ◽  
Gonadal Maturation ◽  
Marine Mollusks ◽  
Significant Difference ◽  
Tissue Responses ◽  
Antioxidant Defense Systems

In the shallow Northern Adriatic, marine mollusks are affected by bottom trawling and seafood disturbance. Seasonal oscillations of oceanographic factors additionally influence their physiology, stress responses and survival. Tissue responses to seasonal variations in green ormer (Haliotis tuberculata L.) and Mediterranean scallop (Pecten jacobaeus L.) in the Northern Adriatic have not been reported. Hence, their biochemical and antioxidant defense properties over seasons were studied and the microanatomical structure of their tissue was correlated with function. Histological analysis of gonads revealed two peaks of gonadal maturation and spawning during the spring/summer period and winter season for scallops, and one peak during the fall for ormers. The gonadal maturation of both species was correlated with their seasonal variations of metabolic demands and antioxidant capacity. The lipid vacuoles of tubuloacinar terminations in the digestive gland differed between the two species; in scallop they are several-fold larger in size and number. Low temperatures in winter contributed to a decline in enzymatic antioxidant defense in scallop tissues, having lower superoxide dismutase (SOD) and glutathione peroxidase (GPx) activity, and higher concentrations of thiobarbituric acid reactive substances (TBARS) and total antioxidant status (TAS). In ormers, winter induced lower TAS, TBARS, SOD and GPx concentrations. The significant difference of winter TAS and TBARS levels between ormers and scallops was correlated with variations in their reproductive cycles, as well as in antioxidant defense systems. The most important factor for stress-related parameters for both species in this work was found to be the season-induced temperature change.

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