MONITORING OF DAUGAVA RIVER – EXPERIENCES OF LATVIAN CASE STUDY Rezekne Higher Education Institution, Latvia 1 Part-financed by the European Union (European Regional Development Fund and European Neighbourhood and Partnership Instrument)

OVERVIEW 1. WATER RESOURCES IN LATVIA 2. DAUGAVAS RIVER BASIN (PROBLEMS AND SOLUTIONS) 3. INVESTIGATION OF WATER QUALITY IN LAKES AND RIVERS OF DAUGAVA RIVER BASIN 4. MONITORING OF DAUGAVA RIVER 2

WATER RESOURCES IN LATVIA EUROSTAT DATE: 3 COUNTRYFRESH WATER RESOURCES PER 1 PERSON, m 3 FINLAND SWEEDEN SLOVENIA LATVIA ESTONIA – 9 200, LITHUANIA – MALTA – 100 m 3

WATER EXPLOITATION INDEX COUNTRYWATER EXPLOITATION INDEX, % CYPRUS64 BELGIUM32 SPAIN30 MALTA21 ESTONIA15 LITHUANIA9 LATVIA1 4 The water exploitation index represents the total volume of water abstracted in a given year as a share of total freshwater resources.

RIVER BASINS IN LATVIA 5

WATER BODIES IN LATVIA Rivers 12,4 thousand Overall length 38 thousand km Density of rivers 600 m/km 2 Daugava ( in Latvia 352 km, total 1005 km), Daugavas RB- 24,7 thousand km 2. Lakes 3000 Total space 1149 km 2 or 1,7% of Latvia territory. In East Latvia - 40% of all Latvia lakes 6

POLLUTERS WASTE WATER (from 1998 volume of polluted waste water decrease about 70%) POLLUTED TERRITORIES (125 places, from territories were rehabilitated) AGRICULTURE RUNOFF WOODLAND 60% RUNOFF ARE OUTSIDE OF LATVIA HYDROELECTRIC POWER STATIONS EMERGANCE SITUACIONS 7

MONITORING PLACES 8

MAIN PLANNING DOCUMENTS SUSTAINABLE DEVELOPMENT STRATEGY OF LATVIA UNTIL 2030 (LATVIA2030) ENVIRONMENTAL POLICY ENVIRONMENTAL MONITORING PROGRAM RURAL AREA DEVELOPMENT PROGRAM RIVER BASIN MANAGAMENT PLANS 9

USUALLY LAKES ARE USED for fish farming, tourism, recreation, other sectors of the economy development.

OBJECT OF THE RESEARCH

RUSONAS LAKE

GERANIMOVA - ILZAS LAKE

MATERIALS AND METHODS CHEMICAL PROPERTIES DETERMINED BY SPECTROPHOTOMETRIC METHOD: ◦ IRON ION QUANTITY, PHOSPHATE ION QUANTITY, SULFATE ION QUANTITY, AMMONIUM NITRATE ION QUANTITY PH LEVEL; CONDUCTIVITY; CHEMICAL TESTS MADE : ◦ TOTAL WATER HARDNESS, NITRITE AND NITRATE, TOTAL AND FREE CHLORINE SOIL ANALYSIS LICHENOINDICATION OF AIR QUALITY

SAMPLING SITES

SAPROPEL DIUNOKLI LAKE

DAUGAVAS RIVER MONITORING 18

MATERIALS AND METHODS

Hydrolab MS5 Sonde. MATERIALS AND METHODS Temperatūra Temperatūra (°C), Izšķīdušais O 2 Izšķīdušais O 2 (%, mg l -1 ), Elektrovadītspēja (mS cm -1 ), pH, pH, Duļķainība Duļķainība (NTUs), Oksidēšanās-reducēšanās potenciāls (mV), Hlorofils a Hlorofils a (mg l -1 )

Plūsmas injekcijas iekārta FIAlab-2500 Spektrometrs DREL2800 PO 4 3-, LVS EN 1189:2000 NO 3-, LVS ISO :2002 ĶSP Termostat HACH HT 200 Spektrometr DREL

ZOOPLANKTON ANALYSIS

ESF projekts „Atbalsts Daugavpils Universitātes doktora studiju īstenošanai” Vienošanās Nr.2009/0140/1DP/ /09/IPIA/VIAA/015 Vides faktoru ietekme uz zooplanktonu (RDA analīze). Parametrs DaudzumsBiomasa ZooplanktonRotiferaCladoceraCopepodaZooplanktonRotiferaCladoceraCopepoda Temperatūra DO, % 0.12 ORP 0.35 Hlorofils-a Duļkainība Caurplūdums PO ĶSP Vides faktoru ietekme uz Daugavas vidusteces posma zooplanktonu (2008. – gads) Statistiski nozīmīgi (p>0,05) Pīrsona korelācijas koeficienti (r) starp zooplanktonu un abiotiskajiem faktoriem

CHANGES OF ZOOPLANKTO NEAR DAUGAVPILS CITY AND

AVERIGE AIR TEMPERATURE IN DAUGAVPILS, (DATA FROM THE GLOBAL RUNOFF DATA CENTRE, KOBLENZ GERMANY, 2010)

AVERAGE FLOW RATE IN DAUGAVA NEAR DAUGAVPILS, (THE GLOBAL RUNOFF DATA CENTRE, KOBLENZ GERMANY, 2010)

CHANGES OF ZOOPLNAKTON DEPEND OF FLOW RATE (1962., – 2010.)

CHANGES OF ZOOPLNAKTON DEPEND OF SAPROBITATE (1962., – 2010.) g. S pieauga no 1,3 līdz 1, g. S pieauga no 1,3 līdz 2,

ESF projekts „Atbalsts Daugavpils Universitātes doktora studiju īstenošanai” Vienošanās Nr.2009/0140/1DP/ /09/IPIA/VIAA/015 PATEICĪBAS Dr., Prof. Artūrs Škutei Dr. biol. Renātei Škutei Mg. biol. Janai Paiderei Dr. biol. Dāvim Grubertam Dr., Prof. Artūrs Škutei Dr. biol. Renātei Škutei Mg. biol. Janai Paiderei Dr. biol. Dāvim Grubertam THANK YOU FOR ATTENTION!