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Osvas ezers
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lake
10
|
name |
Osvas
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
administrative territory (parish or town) |
Kraslavas
Source: Date: 01-01-1993 |
|
district (till 01.07.2009) |
Kraslavas
Source: Date: 01-01-1993 |
|
country |
Latvia
Source: Date: 01-01-1993 |
|
area of water surface |
14.8 hectare
Source: LEA Date: 01-01-1972 |
|
mean depth |
4.3 metre(s)
Source: LEA Date: 01-01-1972 |
|
maximum depth |
13.0 metre(s)
Source: LEA Date: 01-01-1972 |
|
hydrological map Osvas ezera dziļumu karte |
hydrological map: SMPI Date: 01-01-1975 |
|
photograph Z gals - skats no ZR krasta. |
photograph: Vita Licite Location: north Date: 08-06-2003 |
|
photograph Skats no augstākā paugura virsotnes ezera pamatbaseinā. |
photograph: Vita Licite Location: west Date: 08-06-2003 |
lake bottom
3
|
bottom structure |
sand
Source: SMPI Location: in places Date: 01-01-1972 |
|
bottom structure |
sandy clay
Source: SMPI Date: 01-01-1972 |
|
photograph A piekraste nedaudz dūņaina. |
photograph: Vita Licite Location: east Date: 08-06-2003 |
lakeshore
14
|
slope angle of lakeshore |
dip
Source: SMPI Location: south Date: 01-01-1972 |
|
slope angle of lakeshore |
dip
Source: LEA Location: north |
|
slope angle of lakeshore |
dip
Source: LEA Location: east |
|
slope angle of lakeshore |
dip
Source: LEA Location: west |
|
slope angle of lakeshore |
gentle
Source: LEA Location: south |
|
photograph Ceļš turpinās līdz pirtij, ZA krasts. |
photograph: Vita Licite Location: north-east Date: 30-09-2006 |
|
photograph Piekraste pie ZA pussalas. |
photograph: Vita Licite Location: north-east Date: 30-09-2006 |
|
photograph ZA krasta pussala. |
photograph: Vita Licite Location: north-east Date: 30-09-2006 |
|
photograph Ceļš līdz ezeram, ZA krasts. |
photograph: Vita Licite Location: north-east Date: 30-09-2006 |
|
photograph A krasts slīps, apaudzis ar krūmiem, kokiem, ir pieejams. |
photograph: Vita Licite Location: east Date: 08-06-2003 |
|
photograph Skats no A krasta uz pauguraino Z krastu. |
photograph: Vita Licite Location: north Date: 08-06-2003 |
|
photograph Baltalkšņi A krastā. |
photograph: Vita Licite Location: east Date: 08-06-2003 |
|
photograph Sīka pussala ZA krastā. |
photograph: Vita Licite Location: north-east Date: 08-06-2003 |
|
photograph R krasts. |
photograph: Lelde Engele Location: west Date: 24-07-2002 |
surroundings
3
|
photograph Ļoti skaista apkārtne - daudz sīku pauguru, neapbūvēti. |
photograph: Vita Licite Location: north-west Date: 30-09-2006 |
|
photograph Pauguraina apkārtne - skats no Z krasta. |
photograph: Vita Licite Location: north Date: 08-06-2003 |
|
photograph Ezera dienvidu apkārtne. Skats no R krasta. |
photograph: Lelde Engele Location: south Date: 24-07-2002 |
catchment area
3
|
hydrological regime |
with outflow
Source: SMPI Date: 01-01-1972 |
|
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
|
count of discharged stream |
1 number
Source: LEA |
recreation
2
|
photograph Smilšaina peldvieta ZA krastā. |
photograph: Vita Licite Location: north-east Date: 08-06-2003 |
|
photograph Neliela peldvieta pie liela akmens R krastā. |
photograph: Vita Licite Location: west Date: 08-06-2003 |
chemistry
3
|
colour of water |
oligohumic
Source: Nature Census Project Date: 22-08-2018 |
|
colour of water |
yellowish
Source: Nature Census Project Date: 22-08-2018 |
|
colour of water |
oligohumic
Source: SMPI Date: 18-07-1972 |
fish
5
|
fish of natural occurrence |
bream
Source: comments Location: lake Date: 13-02-2007 |
|
fish of natural occurrence |
crucian carp
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 |
roach
Source: SMPI Location: lake Date: 01-01-1972 |
|
fish of natural occurrence |
tench
Source: SMPI Location: lake Date: 01-01-1972 |
key dangers
5
|
water bloom |
not established
Source: Nature Census Project Location: lake Date: 22-08-2018 |
|
impact |
building up of lakeshore
Source: Vita Licite Date: 30-09-2006 |
|
photograph Arī ZR krastā, blakus priežu audzei, uzsākti būvdarbi. Ielikti pamati otrai jaunbūvei ezera pamatbaseinā. |
photograph: Vita Licite Location: north-west Date: 30-09-2006 |
|
photograph Pirmā jaunbūve ezera pamatbaseinā. |
photograph: Vita Licite Location: north-east Date: 30-09-2006 |
|
photograph ZA krasta aizsargjoslā izlīdzināts krasts, iesēta zāle. Virszemes noteces ietekmē (no stāvā krasta) sākusies erozija. |
photograph: Vita Licite Location: north-east Date: 08-06-2003 |
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