KAZALCI OKOLJA

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Neutral

In the period 1960-2015, the mean sea level along the Slovenian coast rose by 10 cm. On average, this means a rise of 1.7 mm/year and, in the last 20 years, 5 mm/year. It is estimated that the rise of mean sea level is affected by global sea level rise and, in the last period, by extreme weather conditions in the region. Over the past twenty years, the sea level along the Slovenian and Adriatic coast has been rising at a rate surpassing European and global trends.

Good

The oxygen concentration at the bottom layer has been noticeably increased, as shown by the long-term measurements. The seasonal periods of prolonged oxygen deficiency at the bottom on the monitoring site in the middle of the Gulf of Trieste are no longer recorded since 2002. The concentration of dissolved oxygen at the bottom is a physico-chemical parameter important in evaluating changes in the state of the coastal sea due to enrichment with nutrients and pollution with organic matter.

Good

Phytoplankton biomass expressed as chlorophyll a concentration reflects the changes in nutrient content in the marine environment. Based on phytoplankton biomass values, a trend of improvement has been observed. The state of Slovenian sea bodies is estimated to be good or very good.

Good

The quality of bathing water along the Slovenian coast is excellent, which ranks Slovenia at the top among the EU countries.

Neutral

Based on monitoring data for the period 2006–2008, five Slovenian marine water bodies were classified as being in a poor chemical state. This state was determined by values that exceeded the environmental standard of the quality of tributyltin compounds, which have been monitored at the level of the European Union since 2007. Three marine water bodies have been determined to be in a good or very good ecological state.

Good

The quality of water required to support life and growth of marine bivalves and gastropods in the period 2003–2009 was in compliance with statutory requirements.