HydroBASINS lev08 watershed · #2080289020
Bassin de Чаж
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 : Agryzskiy rayon, Alnashskiy rayon, Malopurginskiy rayon, Mozhginskiy rayon
Sub-basin area
652,7km²
Upstream area
652,8km²
Discharge
6,1m³/s
Mean elev.
151m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 240.6 km²36.7% of basin
- 229.4 km²35.0% of basin
- 122.9 km²18.7% of basin
- 63.0 km²9.6% of basin
3 intersecting protected areas
Reka Izh
IUCN IIINatural Monument
0.74 km² overlap
Dubovaya roshha (Dubovye roshhi)
IUCN IIINatural Monument
0.38 km² overlap
Karel`skaya bereza
IUCN IIINatural Monument
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
210 distinct species · 323 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Чаж : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 4 types (connectance 9.7%, filtre Serrano α=0.2). 9 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°
2,9°C
Annual rain
561mm
Moisture idx (CMI)
-0,14
Runoff
295mm/an
PET
654mm
AET
452mm
Mean slope
2,0°
Water table
98cm
Forest
23%
Crops
80%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)