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Ģerķīšezers
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lake
9
|
name |
Jerkisezers
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
name |
Gerkisezers
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
administrative territory (parish or town) |
Limbazu
Source: Date: 01-01-1993 |
|
district (till 01.07.2009) |
Limbazu
Source: Date: 01-01-1993 |
|
country |
Latvia
Source: Date: 01-01-1993 |
|
status "de jure" |
biosphere reserve
Source: the Latvian Parliament Location: lake Date: 11-12-1997 |
|
area of water surface |
8.4 hectare
Source: LEA Date: 01-01-1990 |
|
mean depth |
2.3 metre(s)
Source: LEA Date: 01-01-1990 |
|
maximum depth |
3.6 metre(s)
Source: LEA Date: 01-01-1990 |
lake bottom
2
|
bottom structure |
mud
Source: SMPI Date: 28-01-1991 |
|
scheme Dūņu paraugu ņemšanas vieta. |
scheme: SMPI Location: north Date: 28-01-1991 |
lakeshore
4
|
slope angle of lakeshore |
gentle
Source: SGS Location: north-east Date: 01-01-1992 |
|
slope angle of lakeshore |
steep
Source: SGS Location: south-west Date: 01-01-1992 |
|
slope angle of lakeshore |
gentle
Source: SMPI Location: south Date: 28-01-1991 |
|
slope angle of lakeshore |
dip
Source: LEA Location: prevailing |
surroundings
1
|
inhabitation |
farm-stead
Source: SMPI Location: in places Date: 28-01-1991 |
catchment area
3
|
hydrological regime |
flow-through
Source: SGS Location: lake Date: 01-01-1992 |
|
catchment region |
Gulf of Riga
Source: LEA Date: 09-01-1998 |
|
count of discharged moat |
1 number
Source: LEA |
chemistry
2
|
colour of water |
oligohumic
Source: Nature Census Project Date: 03-09-2017 |
|
colour of water |
yellowish
Source: Nature Census Project Date: 03-09-2017 |
fish
6
|
fish of natural occurrence |
crucian carp
Source: SMPI Location: lake Date: 28-01-1991 |
|
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 28-01-1991 |
|
fish of natural occurrence |
pike
Source: SMPI Location: lake Date: 28-01-1991 |
|
fish of natural occurrence |
roach
Source: SMPI Location: lake Date: 28-01-1991 |
|
fish of natural occurrence |
spiny loach
Source: SMPI Location: lake Date: 28-01-1991 |
|
fish of natural occurrence |
tench
Source: SMPI Location: lake Date: 28-01-1991 |
key dangers
4
|
water bloom |
scarce
Source: Nature Census Project Location: lake Date: 03-09-2017 |
|
water bloom |
occurs
Source: SMPI Location: lake Date: 02-08-1990 |
|
impact |
neat farm
Source: SMPI Location: east Date: 28-01-1991 |
|
waste water inlet (mehāniski attīrītie) |
14 m3 per day
Source: SMPI Location: east Date: 28-01-1991 |
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