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Ostrovnas ezers
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lake
12
|
name |
Ostrovnas
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
name |
Ostraunas
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
administrative territory (parish or town) |
Indras
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" |
nature reserve
Source: LR Cab.of Min. Location: west Date: 24-04-2004 |
|
status "de jure" |
fishery-right belongs to state
Source: the Latvian Parliament Location: lake Date: 10-06-1998 |
|
area of water surface |
31.5 hectare
Source: the Latvian Parliament Date: 10-06-1998 |
|
area of water surface |
28.5 hectare
Source: LEA Date: 01-01-1972 |
|
mean depth |
2.0 metre(s)
Source: LEA Date: 01-01-1972 |
|
maximum depth |
3.6 metre(s)
Source: LEA Date: 01-01-1972 |
|
hydrological map Ostrovnas ezera dziļumu karte |
hydrological map: SMPI Date: 01-01-1975 |
islands
4
|
number of islands |
1 number
Source: Encyclop.Latv.Nature Date: 01-01-1997 |
|
total area of islands |
3.000 hectare
Source: Encyclop.Latv.Nature Date: 01-01-1997 |
|
photograph Salas krasts. |
photograph: Irēna Skrinda Date: 11-08-2022 |
|
photograph Sala. |
photograph: Irēna Skrinda Date: 15-07-2015 |
lake bottom
3
|
bottom structure |
mud
Source: SMPI Date: 01-01-1972 |
|
bottom structure |
clayey sand
Source: SMPI Date: 01-01-1972 |
|
bottom structure |
sand
Source: SMPI Date: 01-01-1972 |
lakeshore
6
|
slope angle of lakeshore |
gentle
Source: Encyclop.Latv.Nature Location: north Date: 01-01-1997 |
|
slope angle of lakeshore |
steep
Source: Encyclop.Latv.Nature Location: west Date: 01-01-1997 |
|
slope angle of lakeshore |
dip
Source: Encyclop.Latv.Nature Location: east Date: 01-01-1997 |
|
slope angle of lakeshore |
gentle
Source: Encyclop.Latv.Nature Location: south Date: 01-01-1997 |
|
photograph Mežainais krasts. |
photograph: Irēna Skrinda Date: 11-08-2022 |
|
photograph Salas un krasta pauguri. |
photograph: Irēna Skrinda Date: 15-07-2015 |
surroundings
2
|
inhabitation |
inhabited locality
Source: Encyclop.Latv.Nature Location: north Date: 01-01-1997 |
|
inhabitation |
inhabited locality
Source: SMPI Location: north Date: 01-01-1972 |
catchment area
3
|
hydrological regime |
flow-through
Source: LEA |
|
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
|
count of discharged stream |
1 number
Source: LEA |
recreation
1
|
recreation facility |
bathing-place
Source: SMPI Date: 01-01-1972 |
chemistry
2
|
colour of water |
brownish
Source: Nature Census Project Date: 19-08-2018 |
|
colour of water |
polyhumic
Source: Nature Census Project Date: 19-08-2018 |
fish
5
|
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1972 |
|
fish of natural occurrence |
perch
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 |
crucian carp
Source: SMPI Location: lake Date: 01-01-1972 |
key dangers
3
|
water bloom |
occured
Source: Irēna Skrinda Location: lake Date: 11-08-2022 |
|
water bloom |
not established
Source: Nature Census Project Location: lake Date: 19-08-2018 |
|
photograph Ūdens zied. |
photograph: Irēna Skrinda Date: 11-08-2022 |
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