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Register
| Parameter | Value | Source | Date |
|---|
|
name |
Purva |
R.Avotina, Names of Waterbodies Latvian SSR |
01-01-1984 |
|
Municipality (2026) |
Krāslavas novads |
the Latvian Parliament |
01-07-2021 |
|
administrative territory (parish or town) |
Kalniesu |
|
01-01-1993 |
|
district (till 01.07.2009) |
Kraslavas |
|
01-01-1993 |
|
country |
Latvia |
|
01-01-1993 |
|
area of water surface |
15.1 hectare |
LEA |
01-01-1972 |
|
mean depth |
3.5 metre(s) |
LEA |
01-01-1972 |
|
maximum depth |
6.0 metre(s) |
LEA |
01-01-1972 |
| Parameter | Value | Source | Date |
|---|
|
bottom structure |
mud |
SMPI |
01-01-1972 |
| Parameter | Value | Source | Date |
|---|
|
slope angle of lakeshore Location: south |
gentle |
SMPI |
01-01-1972 |
|
slope angle of lakeshore Location: north |
dip |
LEA |
|
|
slope angle of lakeshore Location: east |
dip |
LEA |
|
|
slope angle of lakeshore Location: west |
dip |
LEA |
|
|
slope angle of lakeshore Location: south |
low |
LEA |
|
| Parameter | Value | Source | Date |
|---|
|
inhabitation Location: north-west |
inhabited locality |
SMPI |
01-01-1972 |
| Parameter | Value | Source | Date |
|---|
|
hydrological regime |
with outflow |
LEA |
|
|
catchment region |
Daugava |
LEA |
09-01-1998 |
| Parameter | Value | Source | Date |
|---|
|
object |
hydraulic structure |
SMPI |
01-01-1972 |
| Parameter | Value | Source | Date |
|---|
|
colour of water |
oligohumic |
Nature Census Project |
18-08-2018 |
|
colour of water |
yellowish |
Nature Census Project |
18-08-2018 |
| Parameter | Value | Source | Date |
|---|
|
fish of natural occurrence Location: lake |
perch |
SMPI |
01-01-1972 |
|
fish of natural occurrence Location: lake |
bream |
SMPI |
01-01-1972 |
|
fish of natural occurrence Location: lake |
roach |
SMPI |
01-01-1972 |
|
fish of natural occurrence Location: lake |
pike |
SMPI |
01-01-1972 |
|
afforcing of fish stock Location: lake |
pike |
SMPI |
01-01-1956 |
|
afforcing of fish stock Location: lake |
pike |
SMPI |
01-01-1955 |
| Parameter | Value | Source | Date |
|---|
|
water bloom Location: lake |
not established |
Nature Census Project |
18-08-2018 |
|
impact Location: lake |
water level increase |
Nature Census Project |
18-08-2018 |