HydroBASINS lev08 watershed · #2080259290
Bassin de Purtsi jõgi
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 13 administrative regions across 2 countries : Helme, Hummuli, Palupera, Puka, Põdrala +8
Sub-basin area
490,4km²
Upstream area
1 545,8km²
Discharge
14,06m³/s
Mean elev.
72m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Väike Emajõgi831 km²
- Bassin de Pedeli jõgi225 km²
13 dept-equivalent regions (GADM L2)
- 186.7 km²37.9% of basin
- RõnguTartu · Estonia89.0 km²18.0% of basin
- VõrtsjärveTartu · Estonia49.5 km²10.0% of basin
- HummuliValga · Estonia42.9 km²8.7% of basin
- TõllisteValga · Estonia30.9 km²6.3% of basin
- 27.2 km²5.5% of basin
- 25.0 km²5.1% of basin
- PaluperaValga · Estonia20.2 km²4.1% of basin
5 moreFull L2 list
- Helme11.0 km² · 2.2%
- Tarvastu8.3 km² · 1.7%
- Sangaste1.3 km² · 0.3%
- Rannu1.0 km² · 0.2%
- Valka0.1 km² · 0.0%
30 intersecting protected areas
Võrtsjärve
IUCN Not ReportedSpecial Protection Area (Birds Directive)
63.19 km² overlap
Võrtsjärve
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
63.19 km² overlap
Võrtsjärve hoiuala (Tartu)
IUCN VILimited-conservation area
32.45 km² overlap
Limited-conservation area
20.97 km² overlap
Soontaga-Sauniku
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.53 km² overlap
Soontaga looduskaitseala
IUCN Not AssignedNature reserve
12.25 km² overlap
Võrtsjärve hoiuala (Valga)
IUCN VILimited-conservation area
7.60 km² overlap
Soontaga LKA, Niguri skv.
IUCN IVManaged conservation zone of nature reserve
5.86 km² overlap
Otepää looduspark
IUCN Not AssignedProtected landscape (nature park)
5.85 km² overlap
21 more protected areassorted by overlap area
Otepää
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.85 km² overlap
Otepää
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.85 km² overlap
Otepää LP, Otepää pv.
IUCN VLimited management zone of protected landscape
4.33 km² overlap
Soontaga LKA, Soontaga skv.
IUCN IVManaged conservation zone of nature reserve
3.69 km² overlap
Järveküla looduskaitseala
IUCN Not AssignedNature reserve
1.86 km² overlap
Soontaga LKA, Soontaga pv.
IUCN VILimited management zone of nature reserve
1.73 km² overlap
Managed conservation zone of nature reserve
1.25 km² overlap
Sauniku
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.21 km² overlap
Ransi LKA, Ransi skv.
IUCN IVManaged conservation zone of nature reserve
1.09 km² overlap
Ransi looduskaitseala
IUCN Not AssignedNature reserve
1.09 km² overlap
Otepää LP, Mägestiku pv.
IUCN VLimited management zone of protected landscape
0.97 km² overlap
Järveküla LKA, Maltsa skv.
IUCN IbWilderness conservation zone of nature reserve
0.61 km² overlap
Soontaga LKA, Sauniku skv.
IUCN IbWilderness conservation zone of nature reserve
0.54 km² overlap
Rõngu mõisa park
IUCN VLimited management zone of protected landscape
0.46 km² overlap
Soontaga LKA, Kuuse skv.
IUCN IbWilderness conservation zone of nature reserve
0.43 km² overlap
Prange
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.38 km² overlap
Otepää LP, Tsorro skv.
IUCN IbWilderness conservation zone of protected landscape
0.35 km² overlap
Pikassilla palu
IUCN VLimited management zone of protected landscape
0.24 km² overlap
Otepää LP, Päästjärve skv.
IUCN IbWilderness conservation zone of protected landscape
0.20 km² overlap
Väike-Emajõe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.20 km² overlap
Väikese Emajõe hoiuala
IUCN VILimited-conservation area
0.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 892 distinct species · 81 910 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Purtsi jõgi : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 8.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
5,1°C
Annual rain
629mm
Moisture idx (CMI)
0,09
Runoff
279mm/an
PET
572mm
AET
440mm
Mean slope
1,3°
Water table
109cm
Forest
41%
Crops
23%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)