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Fishing activities in the Venice lagoon can be divided into two categories, the traditional fishing activities (extensive aquaculture and cultivation of soft crab) and the commercial ones (with the introduction of the clam).
90 traditional fishermen
1,200 professional fishermen
In recent years a conflict emerged between these two categories, since the mechanical fishing of tapes is increasing and this influences negatively the catch of soft crab, because of the impact on ecosystem functioning.
Economic value of fishing activities is increasing
Fish catching in the Venice lagoon and its commercial value Bordin (2007) in The state of Veneto Region, 2006, Unioncamere
Restructuring of industrial production led by local and global factors
A parallel decrease in the pollution loads entailed by such activities due to slow down and regulation. However, the burden of past contamination has driven the setting up of policy interventions in the last ten years.
Remediation becomes an ‘industry’ of its own
The economic structure in the area is experiencing a transition phase where traditional industrial activities retreat in favour of service activities.
On the whole, the increase in the economic activities and employees has been registered only in the energy, oil and refinery sector, in the building materials and in “other sectors”.
The chemical sector is showing the highest uncertainty for the future.
Economic activities in the Marghera area (2006)
aluminium, development of new alloys suitable to be employed in the aerospace industry;
shipyards, the acquisitions of the areas devoted to the cruise ship management;
port activities and logistics, with
the enlargement of docks in the Marghera area and the excavation of the canals to the current -10.50m depth to -12m.
the port area will be enlarged.
hydrogen application to transport activities. In 2003, the Hydrogen Park has been set up to study and promote the development of the application of fuel cells. Its objectives are the development of an energy generation system (by using the hydrogen) and the application to this technology to a ferry (vaporetto).
energy production, through the storage of biodiesel in the area close to the Enel power plant.
research and technological innovation, through the creation of the VEGA scientific-technological park in 1996.
environmental monitoring and restoration, by cleaning up the contaminated area in Marghera and by managing the contaminated sludge obtained by the Vallone Moranzani dredging.
Policy documents in Marghera: the setting up of ‘remediation as an ‘industry’
Framework of voluntary agreement for the Chemical industry (“Accordo per la Chimica”) –1999
Participants: several Ministers, local authorities (Veneto Region, Province and Municipality of Venice, Venice Port Authority), the main enterprises and trade unions operating in this area
Objective: to continue industrial production whilst reducing environmental pollution in the Porto Marghera area and adopting the best available technologies in the local polluting industries
Voluntary agreement Porto Marghera “Intesa per Porto Marghera” – 2005
Objectives: to complete the cleanup of Porto Marghera site whilst assuring at the same time the coherence with the planning instruments of the area
It boost the environmental restoration of the area whilst recognising the importance of cleaning current industrial activities (e.g. chemical sector) and promoting the settlement of new green industry
It foresees a set of policy measures necessary to attain the objectives stated in the Voluntary Agreement:
clean up of the contaminated sites in the Porto Marghera area;
increase of the knowledge base regarding the extent of contamination;
research activities regarding the application of available technologies on the treatment of contaminated materials
improvement of landscape.
For what concerns the clean up of contaminated sites, the Plan identifies priority interventions, to be completed by 2014 and other measures for which no sufficient knowledge is available, and that will be carried out afterwards
The area is interested by Port related activities. In 2006, the Port of Venice has transported almost 17 million tonnes of goods: of these, more than 11 millions are related to commercial goods, being the remaining industrial intermediate goods.
The transportation of these goods has produced more than 7,000 transits in the Venice lagoon.
Port activities are highly constrained by the features of the lagoon, such as: the canal depth that limits the transit of big ships; the need to limit the waves ( moto ondoso ) in the lagoon; the maintenance and cleaning of the lagoon canals, and the consequent problem of the contaminated sediments; the lack of adequate logistic infrastructures.