KAZALCI OKOLJA

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Key message
Good

Nutrients, especially nitrogen and phosphorus substances, allow the growth of algae and higher plants. Long-term measurements of selected nutrients show that their concentrations have noticeably decreased at all sample sites in the Slovenian sea over a longer period of time. The ecological condition of the Slovenian sea on the basis of nutrients was also assessed as very good in 2017.

Nutrients, especially nitrogen and phosphorous substances, enable the growth of algae and higher plants. Nutrients concentrations have been noticeably reduced at all sampling sites in the Slovenian sea, as shown by long-term measurements of the selected nutrients. The ecological status of the Slovenian sea on the basis of nutrients was also estimated to be very good in 2017.mr04


Charts

Figure MR08-1: Nitrate concentrations in the Slovenian sea at selected sampling sites
Sources: 

Database of national monitoring of surface waters, Slovenian Environment Agency, 2018 ( 1.8.2018)

Show data
unit   1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
CZ µg N/L         6,64 4,23 11,69 20,18 19,18 26,18 36,22 25,17 35,41 17,85 35,31 58,40 95,53 36,82 26,32 38,06 24,55 17,66 12,45 12,95   18,39 10,70 14,54 29,97 38,36 22,77 20,92 18,90
F µg N/L 10,33 8,58 18,91 6,95 6,17 5,34 12,68 15,54 14,48 23,06 25,42 22,39 20,60 12,52 40,93 47,29 73,07 38,34 28,52 31,39 18,96 13,41 9,63 7,44   15,80 11,08 12,26 23,24 30,91 19,08 18,49 11,44
K µg N/L 5,21 7,07 16,74 7,27 5,64 5,06 9,33 15,28 20,69 26,28 35,32 23,57 24,22 14,88 31,52 55,94 79,50 27,39 29,02 40,12 19,71 11,93 15,27 11,58   17,28 10,51 13,47 29,35 36,52 37,40 16,41 13,06
MA µg N/L 8,12 5,77 20,24 5,47 7,08 6,65 9,47 12,12 16,55 28,00 20,59 20,14 18,65 12,25 36,72 50,98 68,14 25,51 34,59 33,24 21,37 14,11 10,89 9,69   14,97 11,04 13,12 26,84 36,09 19,91 20,14 12,48
ZD/D ES µg N/L 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00 21,00
D/Z ES µg N/L 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00 35,00
Figure MR08-2: Total phosporus concentrations in the Slovenian sea at selected sampling sites
Sources: 

Database of national monitoring of surface waters, Slovenian Environment Agency, 2018 ( 1.8.2018)

Show data
  unit 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
CZ µg P/L 38,51 32,24 47,59 42,10 21,82 41,12 34,79 22,23 9,70 9,06 5,79 8,78 8,75 7,03 8,34 8,53 6,66 6,37 7,58 8,13 5,26 7,49 6,18 5,51 8,68 12,08 8,96 5,31 6,77
F µg P/L 34,08 33,13 42,71 44,83 22,76 41,75 32,89 18,43 10,16 8,59 5,45 6,73 8,12 7,85 8,41 8,30 6,64 5,92 6,87 6,85 4,67 6,44 5,69 5,03 7,68 9,47 9,37 4,61 5,26
K µg P/L 51,44 37,98 45,66 46,95 25,93 40,07 40,99 19,89 9,72 8,57 5,34 8,43 10,88 7,91 9,55 9,55 7,75 7,57 8,59 8,41 6,08 7,46 7,19 5,76 11,40 10,94 10,62 5,97 7,84
MA µg P/L 26,89 27,13 50,50 48,10 21,24 45,96 27,08 22,20 10,01 9,81 6,29 8,81 9,97 7,65 8,49 9,17 6,70 6,27 6,98 7,53 6,68 6,21 5,54 5,25 7,57 8,92 10,04 4,80 6,10
ZD/D ES µg P/L 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9 9,9
D/Z ES µg P/L 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13
Figure MR08-3: Ortophosphate concentrations in the Slovenian sea at selected sampling sites
Sources: 

Database of national monitoring of surface waters, Slovenian Environment Agency, 2018 ( 1.8.2018)

Show data
  unit 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
CZ µg P/L         1,89 2,48 1,27 2,22 5,18 4,85 2,41 2,56 2,21 2,48 3,98 2,89 2,19 1,73 2,46 3,50 1,85 1,40 1,64 1,62 1,72 2,06 1,75 2,18 2,05 1,97 2,19 1,70 1,71
F µg P/L 1,79 1,48 1,28 0,79 1,97 2,79 1,85 2,97 5,20 4,14 1,92 1,99 2,14 2,27 2,96 1,54 1,94 1,97 2,97 3,03 1,87 1,17 1,16 0,98 2,071987 2,15 1,75 2,08 2,96 1,82 2,20 1,70 1,61
K µg P/L 1,27 1,96 2,50 1,19 5,16 3,23 2,86 3,09 5,25 5,31 2,47 3,52 2,59 2,39 4,21 2,44 3,02 2,54 4,23 3,30 3,18 1,28 2,35 1,81 1,993649 1,91 2,14 2,50 2,83 2,19 2,22 1,70 1,70
MA µg P/L 1,54 1,08 1,45 0,70 1,65 6,21 2,58 3,26 4,54 4,05 1,94 4,63 2,14 3,02 4,01 2,90 2,96 1,74 3,75 3,39 1,91 1,14 1,25 1,38 1,772641 1,82 1,66 1,83 2,74 1,98 2,03 1,70 1,61
ZD/D ES µg P/L 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10 3,10
D/Z ES µg P/L 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60 4,60
Figure MR08-4: Nutrients sampling sites, in the framework of state monitoring, in the area of ??the Slovenian Sea, including the ecological status evaluation based on nutrients in 2017
Sources: 

Slovenian Environment Agency, Surveying and Mapping Authority of the Republic of Slovenia, 2016 ( 1.8.2018)



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