HydroBASINS lev08 watershed · #2080280200
Bassin de Iča
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 : Balvi, Ludza, Madona, Rezekne
Sub-basin area
1 128,6km²
Upstream area
1 128,6km²
Discharge
8,88m³/s
Mean elev.
116m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 504.5 km²44.5% of basin
- 339.6 km²29.9% of basin
- 290.1 km²25.6% of basin
- 0.0 km²0.0% of basin
14 intersecting protected areas
Lubāna mitrājs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
68.03 km² overlap
Lubāna mitrājs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
68.03 km² overlap
Lubāna mitrājs
IUCN IVNature Reserve
68.02 km² overlap
Lubana wetland complex
IUCN Not ReportedWetland of International Importance (Ramsar Site)
50.11 km² overlap
Orlovas (Ērgļu) purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.08 km² overlap
Orlovas (Ērgļu) purvs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
11.08 km² overlap
Orlovas (Ērgļu) purvs
IUCN IVNature Reserve
11.08 km² overlap
Dūkšupes meži
IUCN IVNature Reserve
9.80 km² overlap
Numernes valnis
IUCN IINature Park
4.58 km² overlap
5 more protected areassorted by overlap area
Numernes valnis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.58 km² overlap
Nature Reserve
3.05 km² overlap
Bērzpils aleja
IUCN IIINature Monument
0.05 km² overlap
Mežvidu parks
IUCN IIINature Monument
0.04 km² overlap
Ruskulovas lapegļu aleja
IUCN IIINature Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
834 distinct species · 2 414 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Iča : 20 espèces reliées par 83 interactions GloBI sur 6 types (connectance 16.7%, filtre Serrano α=0.2). 12 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
640mm
Moisture idx (CMI)
0,04
Runoff
248mm/an
PET
618mm
AET
475mm
Mean slope
0,8°
Water table
52cm
Forest
18%
Crops
43%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)