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Bižu ezers
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lake
14
|
name |
Bizas
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
name |
Beizagola
Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984 |
|
administrative territory (parish or town) |
Griskanu
Source: Date: 01-01-1993 |
|
district (till 01.07.2009) |
Rezeknes
Source: Date: 01-01-1993 |
|
country |
Latvia
Source: Date: 01-01-1993 |
|
status "de jure" |
fishery-right belongs to state
Source: the Latvian Parliament Location: lake Date: 10-06-1998 |
|
area of water surface |
140.1 hectare
Source: the Latvian Parliament Date: 10-06-1998 |
|
area of water surface |
140.1 hectare
Source: LEA Date: 01-01-1972 |
|
mean depth |
2.5 metre(s)
Source: LEA Date: 01-01-1972 |
|
maximum depth |
3.6 metre(s)
Source: LEA Date: 01-01-1972 |
|
hydrological map Bižas ezera dziļumu karte |
hydrological map: SMPI Date: 01-01-1975 |
|
photograph ZA līcis. |
photograph: Vita Licite Location: north-east Date: 28-07-2004 |
|
administrative territory (parish or town) |
Cirmas
Source: Date: 01-01-1993 |
|
district (till 01.07.2009) |
Ludzas
Source: Date: 01-01-1993 |
lake bottom
5
|
bottom structure |
mud
Source: SMPI Location: in places Date: 01-01-1974 |
|
bottom structure |
pebbles
Source: SMPI Date: 01-01-1974 |
|
bottom structure |
sand
Source: SMPI Date: 01-01-1974 |
|
bottom structure |
large stones
Source: UL IB Location: in places Date: 01-01-1952 |
|
bottom structure |
gravel
Source: UL IB Date: 01-01-1952 |
lakeshore
8
|
slope angle of lakeshore |
dip
Source: SMPI Location: east Date: 01-01-1974 |
|
slope angle of lakeshore |
dip
Source: SMPI Location: west Date: 01-01-1974 |
|
slope angle of lakeshore |
dip
Source: SMPI Location: north Date: 01-01-1974 |
|
slope angle of lakeshore |
gentle
Source: LEA Location: south |
|
photograph Z piekraste. |
photograph: Janis Spruds Location: north Date: 28-07-2004 |
|
photograph Z krasts (2). |
photograph: Janis Spruds Location: north Date: 28-07-2004 |
|
photograph Z krasts. |
photograph: Janis Spruds Location: north Date: 28-07-2004 |
|
photograph ZA krasts. |
photograph: Vita Licite Location: north-east Date: 28-07-2004 |
surroundings
2
|
inhabitation |
inhabited locality
Source: Encyclop.Latv.Nature Location: north-east Date: 01-01-1994 |
|
access facilities |
exist
Source: SMPI Date: 01-01-1974 |
catchment area
3
|
hydrological regime |
flow-through
Source: LEA |
|
catchment region |
Daugava
Source: LEA Date: 09-01-1998 |
|
count of discharged stream |
7 number
Source: SMPI Date: 01-01-1974 |
recreation
4
|
recreation facility |
bathing-place
Source: SMPI Date: 01-01-1974 |
|
recreation facility |
place of rest
Source: SMPI Date: 01-01-1974 |
|
photograph Makšķernieku platforma. |
photograph: Janis Spruds Date: 28-07-2004 |
|
photograph ZA piekraste pie atpūtas vietas, peldvieta. |
photograph: Vita Licite Location: north-east Date: 28-07-2004 |
chemistry
2
|
colour of water |
greenish
Source: Nature Census Project Date: 03-06-2019 |
|
colour of water |
oligohumic
Source: Nature Census Project Date: 03-06-2019 |
macrophytes
6
|
photograph Lēpe. |
photograph: Janis Spruds Date: 28-07-2004 |
|
photograph Raksturīga piekrastes veģetācija (2). |
photograph: Janis Spruds Date: 28-07-2004 |
|
photograph Dzeltenās lēpes. |
photograph: Janis Spruds Date: 28-07-2004 |
|
photograph Peldošās glīvenes. |
photograph: Janis Spruds Date: 28-07-2004 |
|
photograph Raksturīga piekrastes veģetācija. |
photograph: Janis Spruds Date: 28-07-2004 |
|
photograph Ūdensaugi ZA piekrastē. |
photograph: Janis Spruds Location: north-east Date: 28-07-2004 |
fish
19
|
fish of natural occurrence |
eel
Source: comments Location: lake Date: 09-03-2011 |
|
fish of natural occurrence |
bream
Source: SMPI Location: lake Date: 01-01-1974 |
|
fish of natural occurrence |
perch
Source: SMPI Location: lake Date: 01-01-1974 |
|
fish of natural occurrence |
pike
Source: SMPI Location: lake Date: 01-01-1974 |
|
fish of natural occurrence |
roach
Source: SMPI Location: lake Date: 01-01-1974 |
|
fish of natural occurrence |
white bream
Source: SMPI Location: lake Date: 01-01-1974 |
|
fish occurrence zutis |
0.5 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence rudulis |
7.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence ālants |
0.5 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence vīķe |
7.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence karūsa |
3.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence līnis |
8.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence vēdzele |
1.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence plicis |
7.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence ķīsis |
8.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence asaris |
23.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence rauda |
25.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish occurrence līdaka |
10.0 percentage
Source: UL IB Location: lake Date: 01-01-1952 |
|
crayfish |
little
Source: UL IB Location: lake Date: 01-01-1952 |
key dangers
5
|
water bloom |
occured
Source: Nature Census Project Location: lake Date: 03-06-2019 |
|
water bloom |
occurs
Source: UL IB Location: lake Date: 01-01-1952 |
|
fish kills |
not established
Source: UL IB Location: lake Date: 01-01-1952 |
|
impact |
beaver deed
Source: Nature Census Project Date: 03-06-2019 |
|
waste water inlet |
no inlet
Source: UL IB Date: 01-01-1952 |
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