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Viraudas ezers
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lake
20
lake bottom
2
bottom structure |
mud
Source: LEA Location: in places Date: 01-01-1972 |
bottom structure |
sand
Source: LEA Date: 01-01-1972 |
lakeshore
3
slope angle of lakeshore |
dip
Source: Encyclop.Latv.Nature Location: prevailing Date: 01-01-1998 |
slope angle of lakeshore |
gentle
Source: Encyclop.Latv.Nature Location: west Date: 01-01-1998 |
slope angle of lakeshore |
gentle
Source: Encyclop.Latv.Nature Location: north-west Date: 01-01-1998 |
surroundings
4
catchment area
3
hydrological regime |
flow-through
Source: LEA |
catchment region |
68 (basin of the Velikaya River)
Source: LEA Date: 09-01-1998 |
count of discharged moat |
8 number
Source: SMPI Date: 01-01-1973 |
chemistry
2
colour of water |
colorless
Source: Nature Census Project Date: 04-06-2019 |
colour of water |
oligohumic
Source: Nature Census Project Date: 04-06-2019 |
fish
10
fish of natural occurrence |
rudd
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
bleak
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
eel
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
crucian carp
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
tench
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
roach
Source: SMPI Location: lake Date: 01-01-1973 |
fish of natural occurrence |
pike
Source: SMPI Location: lake Date: 01-01-1973 |
crayfish |
established
Source: comments Location: lake Date: 04-05-2006 |
key dangers
3
water bloom |
not established
Source: Nature Census Project Location: lake Date: 04-06-2019 |
impact |
beaver deed
Source: Nature Census Project Date: 04-06-2019 |
impact |
neat farm
Source: SMPI Location: north-east Date: 01-01-1974 |
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