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Bižu ezers
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lake
14
lake bottom
5
bottom structure |
mud
Source: SMPI Location: in places Date: 01-01-1974 |
bottom structure |
pebbles
Source: SMPI Date: 01-01-1974 |
bottom structure |
sand
Source: SMPI Date: 01-01-1974 |
bottom structure |
large stones
Source: UL IB Location: in places Date: 01-01-1952 |
bottom structure |
gravel
Source: UL IB Date: 01-01-1952 |
lakeshore
8
surroundings
2
inhabitation |
inhabited locality
Source: Encyclop.Latv.Nature Location: north-east Date: 01-01-1994 |
access facilities |
exist
Source: SMPI Date: 01-01-1974 |
catchment area
3
hydrological regime |
flow-through
Source: LEA |
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
count of discharged stream |
7 number
Source: SMPI Date: 01-01-1974 |
recreation
4
chemistry
2
colour of water |
greenish
Source: Nature Census Project Date: 03-06-2019 |
colour of water |
oligohumic
Source: Nature Census Project Date: 03-06-2019 |
macrophytes
6
fish
19
fish of natural occurrence |
eel
Source: comments Location: lake Date: 09-03-2011 |
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1974 |
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 01-01-1974 |
fish of natural occurrence |
pike
Source: SMPI Location: lake Date: 01-01-1974 |
fish of natural occurrence |
roach
Source: SMPI Location: lake Date: 01-01-1974 |
fish of natural occurrence |
white bream
Source: SMPI Location: lake Date: 01-01-1974 |
fish occurrence zutis |
0.5 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence rudulis |
7.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence ālants |
0.5 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence vīķe |
7.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence karūsa |
3.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence līnis |
8.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence vēdzele |
1.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence plicis |
7.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence ķīsis |
8.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence asaris |
23.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence rauda |
25.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
fish occurrence līdaka |
10.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
crayfish |
little
Source: UL IB Location: lake Date: 01-01-1952 |
key dangers
5
water bloom |
occured
Source: Nature Census Project Location: lake Date: 03-06-2019 |
water bloom |
occurs
Source: UL IB Location: lake Date: 01-01-1952 |
fish kills |
not established
Source: UL IB Location: lake Date: 01-01-1952 |
impact |
beaver deed
Source: Nature Census Project Date: 03-06-2019 |
waste water inlet |
no inlet
Source: UL IB Date: 01-01-1952 |
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