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Lake count: 4429
Artifical lakes: 1564
Record count: 267300
Parametr count: 243
Images: 28241
Maps: 836
Comments: 5627

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» Usmas ezers

Usmas ezers

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lake

27

islands

19

lakeshore

4

surroundings

4

catchment area

13

remarkable objects

1

recreation

7

chemistry

2

fish

43

key dangers

3

name	Usmas Source: R.Avotina, Names of Waterbodies Latvian SSR Date: 01-01-1984
administrative territory (parish or town)	Usmas Source: Date: 01-01-1993
district (till 01.07.2009)	Ventspils Source: Date: 01-01-1993
country	Latvia Source: Date: 01-01-1993
status "de jure"	nature reserve Source: LR Cab.of Min. Location: center Date: 24-04-2004
status "de jure"	nature reserve Source: the Latvian Parliament Location: west Date: 16-03-2000
status "de jure"	public Source: the Latvian Parliament Location: lake Date: 10-06-1998
area of water surface	3,469.2 hectare Source: the Latvian Parliament Date: 10-06-1998
area of water surface	3,469.2 hectare Source: SMPI Date: 01-01-1974
area of water surface	3,720.0 hectare Source: LEA Date: 01-01-1972
mean depth	5.4 metre(s) Source: LEA Date: 01-01-1972
maximum depth	27.0 metre(s) Source: LEA Date: 01-01-1972
hydrological map Usmas ezera dziļumi.	hydrological map: USSR Main Administration of Geodesy and Cartography Date: 01-01-1985
hydrological map Usmas ezera dziļumi pēc J.Sizova, 1959.g.	hydrological map: Vita Licite Date: 30-11--0001
photograph Usmas ezers.	photograph: Ronalds Neimanis Date: 01-08-2005
photograph Usmas ezers ziemā.	photograph: Ronalds Neimanis Date: 01-01-2005
photograph Skats uz ezeru no kempiga "Usma" puses	photograph: A.D. Location: north Date: 26-05-2002
photograph Skats no Usmas ciema puses. 1999.g. augusts.	photograph: Lelde Engele Date: 15-08-1999
photograph Virsūdens augu joslā niedres, peldlapu augu joslā lēpes. 1999.g. augusts.	photograph: Lelde Engele Date: 15-08-1999
photograph Ezera Z gals. 1999.g.	photograph: Lelde Engele Location: north Date: 15-07-1999
photograph Usmas ezera vietvārdi.	photograph: Encyclop.Latv.Nature Date: 01-01-1998
photograph Usmas ezera dziļumi (V.Ozoliņš, 1931.g.).	photograph: Vita Licite Date: 30-11--0001
administrative territory (parish or town)	Rendas Source: Date: 01-01-1993
district (till 01.07.2009)	Kuldigas Source: Date: 01-01-1993
photograph Skats uz Moricsalu. 1999.g.	photograph: Lelde Engele Date: 15-07-1999
administrative territory (parish or town)	Gibulu Source: Date: 01-01-1993
district (till 01.07.2009)	Talsu Source: Date: 01-01-1993

number of islands	7 number Source: Encyclop.Latv.Nature Date: 01-01-1998
total area of islands	428.002 hectare Source: Encyclop.Latv.Nature Date: 01-01-1998
name	Viskuzu Source: Vita Licite Location: center Date: 01-01-1998
status "de jure"	nature reserve Source: LR Cab.of Min. Location: center Date: 24-04-2004
area of island	304.000 hectare Source: Nature management plan Date: 01-03-2005
area of island	309.200 hectare Source: Encyclop.Latv.Nature Date: 01-01-1998
name	Moricsala Source: Vita Licite Location: center Date: 01-01-1998
status "de jure"	reserve Source: the Latvian Parliament Date: 16-03-2000
area of island	83.100 hectare Source: Vita Licite Location: center Date: 01-01-1998
name	Lielalksnite Source: Vita Licite Location: west Date: 01-01-1998
status "de jure"	reserve Source: the Latvian Parliament Location: west Date: 16-03-2000
area of island	33.000 hectare Source: Encyclop.Latv.Nature Location: west Date: 01-01-1995
name	Mazalksnite Source: Vita Licite Location: east Date: 01-01-1998
area of island	1.900 hectare Source: Vita Licite Location: east Date: 01-01-1998
name	Zossalina Source: Vita Licite Location: north Date: 01-01-1998
area of island	0.800 hectare Source: Vita Licite Location: north Date: 01-01-1998
name	Dvinites Source: Vita Licite Location: lake Date: 01-01-1998
area of island	0.002 hectare Source: Encyclop.Latv.Nature Date: 01-01-1998
notes	2 overflowing islands Source: Vita Licite Location: lake Date: 01-01-1998

slope angle of lakeshore	low Source: SMPI Location: prevailing Date: 01-01-1974
slope angle of lakeshore	steep Source: SMPI Location: in places Date: 01-01-1974
slope angle of lakeshore	dip Source: LEA Location: in places
slope angle of lakeshore	gentle Source: LEA Location: in places

inhabitation	inhabited locality Source: R.Avotina, Names of Waterbodies Latvian SSR Location: north-west Date: 01-01-1996
access facilities	exist Source: Vita Licite Location: north-west
photograph skats uz ezeru no Usmas skatu torņa	photograph: Toms Dinsbergs Location: east Date: 16-09-2008
photograph Usmas (jaunā) baznīca, atrodas Usmas ciematā	photograph: Maris Debners Location: north-west Date: 30-09-2006

hydrological regime	flow-through Source: SGS Location: lake Date: 01-01-1991
catchment region	Baltic Sea Source: SMPI Date: 01-01-1974
count of discharged rivers	10 number Source: LEA
name of discharged river	Tiruksupe Source: LEA
name of discharged river	Godele Source: LEA
name of discharged river	Melncelma Source: LEA
name of discharged river	Mekupe Source: LEA
name of discharged river	Serza Source: LEA
name of discharged river	Ostupe Source: LEA
name of discharged river	Bangava Source: LEA
name of discharged river	Struncene Source: LEA
name of discharged river	Riekte Source: LEA
name of discharged river	Kanupe Source: LEA

recreation facility	bathing-place Source: SMPI Date: 01-01-1974
recreation facility	halt of boats Source: SMPI Location: north-west Date: 01-01-1974
photograph Skats no atpūtas vietas Godēļi, līcis Godeļdanga	photograph: Iveta Druva_Druvaskalne Location: east Date: 27-05-2006
photograph Kempings. Autors: Uģis Edulis.	photograph: Vita Licite Date: 15-07-2002
photograph Usmas kempings. Autors: Uģis Edulis.	photograph: Vita Licite Date: 15-07-2002
photograph Usmas kempings (1). Autors: Uģis Edulis.	photograph: Vita Licite Date: 15-07-2002
recreation facility	fishing with license Source: Local Government Location: lake Date: 09-05-2017

colour of water	greenish Source: Nature Census Project Date: 24-07-2019
colour of water	oligohumic Source: Nature Census Project Date: 24-07-2019

fish of natural occurrence	eel-pout Source: www.zive.lv Location: lake Date: 21-11-2005
fish of natural occurrence	rudd Source: www.zive.lv Location: lake Date: 31-10-2004
fish of natural occurrence	eel Source: www.zive.lv Location: lake Date: 20-06-2003
fish of natural occurrence	zander Source: www.zive.lv Location: lake Date: 12-03-2003
fish of natural occurrence	crucian carp Source: Catch statistics Location: lake Date: 01-01-2001
fish of natural occurrence	vendace Source: Encyclop.Latv.Nature Location: lake Date: 01-01-1998
fish of natural occurrence	white bream Source: Encyclop.Latv.Nature Location: lake Date: 01-01-1998
fish of natural occurrence	bleak Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	bream Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	crucian carp Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	eel Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	eel-pout Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	nine-spined stickleback Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	perch Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	pike Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	roach Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	rudd Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	ruffe Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	spiny loach Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	tench Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	vendace Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	verklovka Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	white bream Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	zander Source: Latvian Fish Resources Agency Location: lake Date: 01-01-1996
fish of natural occurrence	chub Source: Nature management plan Location: lake Date: 01-01-1980
fish of natural occurrence	groundling Source: Nature management plan Location: lake Date: 01-01-1980
fish of natural occurrence	ide Source: Nature management plan Location: lake Date: 01-01-1980
fish of natural occurrence	loach Source: Nature management plan Location: lake Date: 01-01-1980
fish of natural occurrence	peled Source: Nature management plan Location: lake Date: 01-01-1980
fish of natural occurrence	stickleback Source: Nature management plan Location: lake Date: 01-01-1980
fish of natural occurrence	bleak Source: SMPI Location: lake Date: 01-01-1974
fish of natural occurrence	bream Source: SMPI Location: lake Date: 01-01-1974
fish of natural occurrence	eel 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	tench Source: SMPI Location: lake Date: 01-01-1974
afforcing of fish stock	tench Source: National Board of Fisheries Location: lake Date: 01-01-2003
afforcing of fish stock	zander Source: National Board of Fisheries Location: lake Date: 01-01-2003
afforcing of fish stock	carp Source: Encyclop.Latv.Nature Location: lake Date: 01-01-1998
afforcing of fish stock	lake-salmon Source: Encyclop.Latv.Nature Location: lake Date: 01-01-1998
photograph Usmas trofeja (zandarts). Bildes un loma autors: Aivars Bricis.	photograph: Date: 01-01-2002
photograph Usmas trofeja (līdaka). Bildes un loma autors: Aivars Bricis.	photograph: Date: 01-01-2002

water bloom	scarce Source: Nature Census Project Location: lake Date: 24-07-2019
waste water inlet (bioloģiski attīrītie)	39 m3 per day Source: www.vidm.gov.lv Date: 01-01-2005
waste water inlet (bioloģiski attīrītie)	50 m3 per day Source: www.vidm.gov.lv Date: 10-01-2006

Usmas ezers

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