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You are here: Home / The European environment – state and outlook 2010 / Country assessments / Italy / Freshwater - State and impacts (Italy)

Freshwater - State and impacts (Italy)

Topics: ,
Freshwater
Topic
Freshwater Freshwater
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ISPRA
Organisation name
ISPRA
Reporting country
Italy
Organisation website
Organisation website
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Last updated
03 Jan 2011
Content license
CC By 2.5
Content provider
ISPRA
Published: 26 Nov 2010 Modified: 13 Apr 2011 Feed synced: 03 Jan 2011 original
Key message

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

Figures

Figure 1

Distribution of the classes of the SECA quality index, 2007.
Data source
http://www.sense.sinanet.isprambiente.it/Plone/freshwater/arpa-appa-data-processed-by-ispra
Figure 1
Fullscreen image Original link

Figure 2

Distribution of the SECA quality index by macro-region, 2007
Data source
http://www.sense.sinanet.isprambiente.it/Plone/freshwater/arpa-appa-data-processed-by-ispra
Figure 2
Fullscreen image Original link

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

http://annuario.apat.it/capitoli/Ver_6/en/Water%20quality.pdf

 

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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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