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Register
| Parameter | Value | Source | Date |
|---|
|
name |
Niedrajs |
R.Avotina, Names of Waterbodies Latvian SSR |
01-01-1984 |
|
Municipality (2026) |
Smiltenes novads |
the Latvian Parliament |
01-07-2021 |
|
administrative territory (parish or town) |
Launkalnes |
|
01-01-1993 |
|
district (till 01.07.2009) |
Valkas |
|
01-01-1993 |
|
country |
Latvia |
|
01-01-1993 |
|
area of water surface |
17.7 hectare |
LEA |
01-01-1972 |
|
mean depth |
4.0 metre(s) |
LEA |
01-01-1972 |
|
maximum depth |
8.5 metre(s) |
Encyclop.Latv.Nature |
01-01-1998 |
| Parameter | Value | Source | Date |
|---|
|
bottom structure |
mud |
SMPI |
01-01-1975 |
|
bottom structure Location: east |
sand |
SMPI |
01-01-1975 |
|
bottom structure Location: in places |
snaggy |
SMPI |
01-01-1975 |
| Parameter | Value | Source | Date |
|---|
|
slope angle of lakeshore Location: prevailing |
dip |
LEA |
|
|
slope angle of lakeshore Location: east |
low |
LEA |
|
|
slope angle of lakeshore Location: west |
low |
LEA |
|
|
slope angle of lakeshore Location: north-west |
steep |
LEA |
|
| Parameter | Value | Source | Date |
|---|
|
inhabitation Location: west |
town |
SMPI |
01-01-1975 |
| Parameter | Value | Source | Date |
|---|
|
hydrological regime |
with outflow |
SMPI |
01-01-1975 |
|
catchment region |
52 (basin of Gauja) |
LEA |
09-01-1998 |
|
count of discharged moat |
1 number |
LEA |
|
| Parameter | Value | Source | Date |
|---|
|
recreation facility Location: west |
place of rest |
"Latvijas ezeri" |
08-03-2015 |
|
recreation facility Location: north-east |
place of rest |
"Latvijas ezeri" |
08-03-2015 |
|
recreation facility Location: north |
bathing-place |
"Latvijas ezeri" |
08-03-2015 |
|
recreation facility Location: north |
place of rest |
"Latvijas ezeri" |
08-03-2015 |
| Parameter | Value | Source | Date |
|---|
|
colour of water |
yellowish |
Nature Census Project |
30-08-2017 |
|
colour of water Location: lake |
oligohumic |
LEA |
24-08-1998 |
| Parameter | Value | Source | Date |
|---|
|
fish of natural occurrence Location: lake |
bream |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
crucian carp |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
eel |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
perch |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
pike |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
roach |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
rudd |
SMPI |
01-01-1975 |
|
fish of natural occurrence Location: lake |
tench |
SMPI |
01-01-1975 |
| Parameter | Value | Source | Date |
|---|
|
water bloom Location: lake |
not established |
Nature Census Project |
30-08-2017 |