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Udrijas ezers
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lake
15
|
name |
Udrejas
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
name |
Udrinu
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
administrative territory (parish or town) |
Ezernieku
Source: Date: 01-01-1993 |
|
district (till 01.07.2009) |
Kraslavas
Source: Date: 01-01-1993 |
|
country |
Latvia
Source: Date: 01-01-1993 |
|
status "de jure" |
national park
Source: the Latvian Parliament Location: lake Date: 01-01-2007 |
|
status "de jure" |
fishery-right belongs to state
Source: the Latvian Parliament Location: lake Date: 10-06-1998 |
|
area of water surface |
53.5 hectare
Source: the Latvian Parliament Date: 10-06-1998 |
|
area of water surface |
53.5 hectare
Source: Encyclop.Latv.Nature Date: 01-01-1998 |
|
mean depth |
4.1 metre(s)
Source: SMPI Date: 01-01-1972 |
|
maximum depth |
8.7 metre(s)
Source: SMPI Date: 01-01-1972 |
|
hydrological map Ūdrejas ezera dziļumu karte |
hydrological map: SMPI Date: 01-01-1975 |
|
topographical map |
topographical map: Janis Mezinieks Date: 30-11--0001 |
|
photograph Udrijas ezers. |
photograph: Irēna Skrinda Date: 16-08-2018 |
|
photograph Aerofoto no portāla www.palace.lv |
photograph: Dmitrijs Kolosnicins Date: 01-01-2006 |
islands
2
|
number of islands |
3 number
Source: Encyclop.Latv.Nature Date: 01-01-1998 |
|
total area of islands |
0.300 hectare
Source: Encyclop.Latv.Nature Date: 01-01-1998 |
lake bottom
2
|
bottom structure |
mud
Source: SMPI Location: in places Date: 01-01-1972 |
|
bottom structure |
sand
Source: SMPI Date: 01-01-1972 |
lakeshore
2
|
slope angle of lakeshore |
dip
Source: Encyclop.Latv.Nature Date: 01-01-1998 |
|
photograph Ezera krasts. |
photograph: Irēna Skrinda Date: 16-08-2018 |
surroundings
2
|
inhabitation |
inhabited locality
Source: SMPI Location: east Date: 01-01-1972 |
|
inhabitation |
farm-stead
Source: Vita Licite Location: around |
catchment area
4
|
hydrological regime |
flow-through
Source: LEA |
|
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
|
count of discharged stream |
1 number
Source: LEA |
|
count of discharged moat |
4 number
Source: LEA |
recreation
1
|
recreation facility |
bathing-place
Source: SMPI Location: east Date: 01-01-1972 |
chemistry
2
|
colour of water |
oligohumic
Source: Nature Census Project Date: 16-08-2018 |
|
colour of water |
yellowish
Source: Nature Census Project Date: 16-08-2018 |
fish
6
|
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1972 |
|
fish of natural occurrence |
crucian carp
Source: SMPI Location: lake Date: 01-01-1972 |
|
fish of natural occurrence |
tench
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 |
|
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 01-01-1972 |
key dangers
4
|
water bloom |
not established
Source: Nature Census Project Location: lake Date: 16-08-2018 |
|
impact |
pig farm
Source: SMPI Date: 01-01-1972 |
|
waste water inlet |
waste water without treatment
Source: SMPI Date: 01-01-1972 |
|
impact |
neat farm
Source: SMPI Date: 01-01-1972 |
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