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Purva ezers
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lake
8
lake bottom
1
bottom structure |
mud
Source: SMPI Date: 01-01-1972 |
lakeshore
6
surroundings
1
inhabitation |
inhabited locality
Source: SMPI Location: north-west Date: 01-01-1972 |
catchment area
2
hydrological regime |
with outflow
Source: LEA |
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
remarkable objects
1
object |
hydraulic structure
Source: SMPI Date: 01-01-1972 |
chemistry
2
colour of water |
oligohumic
Source: Nature Census Project Date: 18-08-2018 |
colour of water |
yellowish
Source: Nature Census Project Date: 18-08-2018 |
fish
6
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 01-01-1972 |
fish of natural occurrence |
bream
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 |
afforcing of fish stock |
pike
Source: SMPI Location: lake Date: 01-01-1956 |
afforcing of fish stock |
pike
Source: SMPI Location: lake Date: 01-01-1955 |
key dangers
2
water bloom |
not established
Source: Nature Census Project Location: lake Date: 18-08-2018 |
impact |
water level increase
Source: Nature Census Project Location: lake Date: 18-08-2018 |
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