scholarly journals Phytoplankton–Macrophyte Interaction in the Lagoon of Venice (Northern Adriatic Sea, Italy)

Water ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 2810
Author(s):  
Fabrizio Bernardi Aubry ◽  
Francesco Acri ◽  
Gian Marco Scarpa ◽  
Federica Braga
Keyword(s):  
Chlorophyll A ◽  
Adriatic Sea ◽  
Lagoon Of Venice ◽  
Remotely Sensed Data ◽  
Northern Adriatic Sea ◽  
Ecosystem Research ◽  
Northern Adriatic ◽  
In Situ Data ◽  
First Time

The coexistence of phytoplankton and macrophytes in the Lagoon of Venice (Northern Adriatic Sea, Italy) was investigated using in situ data collected monthly as part of International Long Term Ecosystem Research (LTER), together with satellite imagery for the period 1998–2017. The concentrations of chlorophyll a and hydrochemical parameters were measured in three areas of the lagoon, where the expansion of well-developed stands of submerged vegetation was observed by remote sensing. Our results suggest interaction between phytoplankton and macrophytes (macroalgae and seagrasses) in the last few years of the time series, evidenced by decreasing chlorophyll a concentrations in the vicinity of the macrophyte stands. The integration of LTER and remotely sensed data made it possible to evaluate the interaction of macrophytes and phytoplankton at the ecosystem scale for the first time in the Lagoon of Venice.

scholarly journals Seasonal and Interannual Trends of Oceanographic Parameters over 40 Years in the Northern Adriatic Sea in Relation to Nutrient Loadings Using the EMODnet Chemistry Data Portal

Water ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2280 ◽  
Author(s):  
Federica Grilli ◽  
Stefano Accoroni ◽  
Francesco Acri ◽  
Fabrizio Bernardi Aubry ◽  
Caterina Bergami ◽  
...  
Keyword(s):  
Climate Changes ◽  
Management Practices ◽  
Adriatic Sea ◽  
Nutrient Concentrations ◽  
Data Series ◽  
Mean Flow ◽  
Northern Adriatic Sea ◽  
Po River ◽  
Northern Adriatic

Long-term data series (1971–2015) of physical and biogeochemical parameters were analyzed in order to assess trends and variability of oceanographic conditions in the northern Adriatic Sea (NAS), a mid-latitude shallow continental shelf strongly impacted by river discharges, human activities and climate changes. Interpolation maps and statistical models were applied to investigate seasonal and spatial variability, as well as decadal trends of temperature, salinity, chlorophyll-a and nutrients. This analysis shows that sea surface temperature increased by +0.36% year−1 over four decades. Annual mean flow of the Po River markedly changed due to the occurrence of periods of persistent drought, whereas the frequency of flow rates higher than 3000 m3 s−1 decreased between 2006 and 2015. Moreover, we observed a long-term decrease in surface phosphate concentrations in Po River water (−1.34% year−1) and in seawater (in summer −2.56% year−1) coupled, however, to a significant increase in nitrate concentration in seawater (+3.80% year−1) in almost all seasons. These changes indicate that the nutrient concentrations in the NAS have been largely modulated, in the last forty years, by the evolution of environmental management practices and of the runoff. This implies that further alteration of the marine environment must be expected as a consequence of the climate changes.

scholarly journals Macroalgal biomass and species variations in the Lagoon of Venice (Northern Adriatic Sea, Italy): 1981-1998

2004 ◽  
Vol 68 (1) ◽  
pp. 57-67 ◽  
Author(s):  
Daniele Curiel ◽  
Andrea Rismondo ◽  
Giorgio Bellemo ◽  
Mara Marzocchi
Keyword(s):  
Adriatic Sea ◽  
Lagoon Of Venice ◽  
Northern Adriatic Sea ◽  
Northern Adriatic ◽  
Macroalgal Biomass

Circulation Modeling in the Northern Adriatic Sea and its Comparison with Nimbus 7 Remotely Sensed Data

1981 ◽  
pp. 413-420
Author(s):  
L. Alberotanza ◽  
G. Aldighieri ◽  
V. Barale ◽  
A. Bergamasco ◽  
P. Malanotte Rizzoli ◽  
...  
Keyword(s):  
Adriatic Sea ◽  
Remotely Sensed ◽  
Remotely Sensed Data ◽  
Northern Adriatic Sea ◽  
Northern Adriatic ◽  
Circulation Modeling
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