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Sventes ezers
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lake
				21
		islands
				13
		| 
								number of islands | 
															
															3 number																
									Source: Latv.Blue&Green Ornament 								 Date: 01-01-2001  | 
							
| 
								number of islands | 
															
															4 number																
									Source: UL IB 								 Date: 01-01-1952  | 
							
| 
								total area of islands | 
															
															4.200 hectare																
									Source: Encyclop.Latv.Nature 								 Date: 01-01-1998  | 
							
| 
								total area of islands | 
															
															4.000 hectare																
									Source: SMPI 								 Date: 01-01-1972  | 
							
| 
								total area of islands | 
															
															4.180 hectare																
									Source: UL IB 								 Date: 01-01-1952  | 
							
| 
								name | 
															
															Visnu island																
									Source: R.Avotina, Names of Waterbodies Latvian SSR Location: south 								 Date: 01-01-1984  | 
							
| 
								area of island | 
															
															1.700 hectare																
									Source: Encyclop.Latv.Nature 								 Date: 01-01-1998  | 
							
| 
								area of island | 
															
															3.020 hectare																
									Source: UL IB Location: south 								 Date: 01-01-1952  | 
							
| 
								name | 
															
															Linarta island																
									Source: Vita Licite Location: south 								 Date: 01-01-2001  | 
							
| 
								area of island | 
															
															0.600 hectare																
									Source: UL IB Location: south 								 Date: 01-01-1952  | 
							
| 
								name | 
															
															Slapkinas island																
									Source: Vita Licite Location: south 								 Date: 01-01-2001  | 
							
| 
								area of island | 
															
															0.500 hectare																
									Source: UL IB Location: south 								 Date: 01-01-1952  | 
							
| 
								area of island | 
															
															0.060 hectare																
									Source: UL IB Location: south 								 Date: 01-01-1952  | 
							
lake bottom
				6
		| 
								bottom structure | 
															
															clayey sand																
									Source: LEA 								 Date: 01-01-1972  | 
							
| 
								bottom structure | 
															
															sandy clay																
									Source: LEA 								 Date: 01-01-1972  | 
							
| 
								bottom structure | 
															
															clay																
									Source: UL IB 								 Date: 01-01-1952  | 
							
| 
								bottom structure | 
															
															large stones																
									Source: UL IB 								 Date: 01-01-1952  | 
							
| 
								bottom structure | 
															
															sand																
									Source: UL IB Location: prevailing 								 Date: 01-01-1952  | 
							
| 
								bottom structure | 
															
															stones																
									Source: UL IB Location: in places 								 Date: 01-01-1952  | 
							
lakeshore
				5
		surroundings
				4
		catchment area
				2
		| 
								hydrological regime | 
															
															flow-through																
									Source: LEA 								 | 
							
| 
								catchment region | 
															
															Daugava																
									Source: LEA 								 Date: 09-01-1998  | 
							
remarkable objects
				3
		| 
								object | 
															
															hill																
									Source: R.Avotina, Names of Waterbodies Latvian SSR Location: north-west 								 Date: 01-01-1996  | 
							
| 
								object | 
															
															hill																
									Source: R.Avotina, Names of Waterbodies Latvian SSR Location: north-west 								 Date: 01-01-1996  | 
							
| 
								object | 
															
															hill																
									Source: R.Avotina, Names of Waterbodies Latvian SSR Location: north 								 Date: 01-01-1996  | 
							
recreation
				6
		chemistry
				3
		| 
								colour of water | 
															
															greenish																
									Source: Nature Census Project 								 Date: 22-08-2019  | 
							
| 
								colour of water | 
															
															oligohumic																
									Source: Nature Census Project 								 Date: 22-08-2019  | 
							
| 
								colour of water | 
															
															oligohumic																
									Source: LEA Location: lake 								 Date: 21-08-1998  | 
							
macrophytes
				7
		fish
				86
		key dangers
				9
		| 
								water bloom | 
															
															not established																
									Source: Nature Census Project Location: lake 								 Date: 22-08-2019  | 
							
| 
								water bloom | 
															
															occured																
									Source: UL IB 								 Date: 24-09-1992  | 
							
| 
								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  | 
							
| 
								waste water inlet | 
															
															no inlet																
									Source: UL IB Location: lake 								 Date: 01-01-1952  | 
							
| 
								impact | 
															
															recreation																
									Source: Uvis Susko Location: north 								 Date: 01-01-1999  | 
							
| 
								impact | 
															
															fish feeding																
									Source: Uvis Susko Location: lake 								 Date: 01-01-1999  | 
							
| 
								impact | 
															
															driving a motorbike, motorboat																
									Source: Uvis Susko Location: lake 								 Date: 01-01-1999  | 
							
| 
								impact | 
															
															surface runoff from agricult. land																
									Source: Latv.Blue&Green Ornament 								 Date: 01-01-1975  | 
							



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