HydroBASINS lev08 watershed · #2080292960
Bassin de Tartaka
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 4 administrative regions : Daugavpils, Kraslava, Preili, Rezekne
Sub-basin area
377,3km²
Upstream area
377,3km²
Discharge
3,31m³/s
Mean elev.
161m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 136.0 km²35.9% of basin
- 129.5 km²34.2% of basin
- 113.5 km²29.9% of basin
- 0.1 km²0.0% of basin
12 intersecting protected areas
Cirīša ezers
IUCN IINature Park
12.76 km² overlap
Cirīša ezers
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.75 km² overlap
Gadrinkas ezera meži
IUCN IVNature Reserve
2.21 km² overlap
Sekstu ezers un meži
IUCN IVNature Reserve
0.81 km² overlap
Rāznas Nacionālais parks
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.57 km² overlap
Rāznas Nacionālais parks
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.57 km² overlap
Rāznas Nacionālais parks
IUCN IINational Park
0.57 km² overlap
Mazā Kurtoša meži
IUCN IVNature Reserve
0.50 km² overlap
Rušonu ezera salas
IUCN IVNature Reserve
0.46 km² overlap
3 more protected areassorted by overlap area
Rušonu ezera salas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.46 km² overlap
Jaunaglonas parks
IUCN IIINature Monument
0.03 km² overlap
Krastiņu pansionāta aleja
IUCN IIINature Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
491 distinct species · 950 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Tartaka : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 8 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°
5,2°C
Annual rain
650mm
Moisture idx (CMI)
0,04
Runoff
265mm/an
PET
626mm
AET
484mm
Mean slope
1,2°
Water table
68cm
Forest
48%
Crops
15%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)