Freshwater - State and impacts (Italy)

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03 Jan 2011
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Published: 26 Nov 2010 Modified: 28 Jun 2016 Feed synced: 03 Jan 2011 original
Key message

Part C - Italy - Commonality (April, 23 2010) - State and Impacts

The ecological status of rivers is evaluated by the SECA index obtained by integrating chemical-physical and microbiological data (LIM) with the results of the Extended Biotic Index (EBI). It is expressed by five classes: high, good, moderate, poor and bad.

In 2007, of 1,014 points monitored, 48 % were classed as good or high (Figure 1).

Regional variations in 2007 were not regarded as critical. Of the 572 stations in Northern Italy, 55 % were good or high, as were 41 % of the 392 stations in Central Italy and 48 % of the 50 stations in Southern Italy and the Islands were classed as good.

In 2007, as in previous years, the macrobenthic community (EBI) played a greater role in determining the SECA than did the chemical-physical macro-descriptors.

The ecological status of lakes (SEL) index evaluates their different trophic states. In 2007, 73 % of 148 stations covering 134 lakes were classified as moderate, good or high.

In 2007, based on the monitoring of waterways and lake areas designated as being suitable for fish (Dir. 78/659/CEE), 96.2 % of the river segments examined and 100 % of the lakes were found to be suitable.


For a detailed treatment of topics addressed above, see key topics at



The country assessments are the sole responsibility of the EEA member and cooperating countries supported by the EEA through guidance, translation and editing.

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