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Ostrovnas ezers
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lake
12
islands
4
lake bottom
3
bottom structure |
mud
Source: SMPI Date: 01-01-1972 |
bottom structure |
clayey sand
Source: SMPI Date: 01-01-1972 |
bottom structure |
sand
Source: SMPI Date: 01-01-1972 |
lakeshore
6
surroundings
2
inhabitation |
inhabited locality
Source: Encyclop.Latv.Nature Location: north Date: 01-01-1997 |
inhabitation |
inhabited locality
Source: SMPI Location: north Date: 01-01-1972 |
catchment area
3
hydrological regime |
flow-through
Source: LEA |
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
count of discharged stream |
1 number
Source: LEA |
recreation
1
recreation facility |
bathing-place
Source: SMPI Date: 01-01-1972 |
chemistry
2
colour of water |
brownish
Source: Nature Census Project Date: 19-08-2018 |
colour of water |
polyhumic
Source: Nature Census Project Date: 19-08-2018 |
fish
5
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1972 |
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 01-01-1972 |
fish of natural occurrence |
roach
Source: SMPI Location: lake Date: 01-01-1972 |
fish of natural occurrence |
pike
Source: SMPI Location: lake Date: 01-01-1972 |
fish of natural occurrence |
crucian carp
Source: SMPI Location: lake Date: 01-01-1972 |
key dangers
3
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