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Āraisis
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lake
14
lake bottom
2
bottom structure |
mud
Source: LEA Location: center Date: 01-01-1972 |
bottom structure |
sand
Source: LEA Date: 01-01-1972 |
lakeshore
7
surroundings
3
catchment area
4
hydrological regime |
flow-through
Source: LEA |
catchment region |
52 (basin of Gauja)
Source: LEA Date: 09-01-1998 |
count of discharged stream |
3 number
Source: LEA |
count of discharged moat |
1 number
Source: LEA |
macrophytes
7
fish
6
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1975 |
fish of natural occurrence |
carp
Source: SMPI Location: lake Date: 01-01-1975 |
fish of natural occurrence |
pike
Source: SMPI Location: lake Date: 01-01-1975 |
fish of natural occurrence |
roach
Source: SMPI Location: lake Date: 01-01-1975 |
fish of natural occurrence |
tench
Source: SMPI Location: lake Date: 01-01-1975 |
crayfish |
established
Source: SMPI Location: lake Date: 01-01-1975 |
key dangers
3
waste water inlet (mehāniski attīrītie) |
10 m3 per day
Source: SMPI Date: 01-01-1975 |
impact |
beaver deed
Source: comments Location: lake Date: 14-05-2008 |
impact |
water level increase
Source: comments Location: lake Date: 14-05-2008 |
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