HydroBASINS lev08 watershed · #7080059130
Bassin de Indian River - Kaasdahéen
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 1 administrative regions : Sitka
Sub-basin area
129,3km²
Upstream area
129,6km²
Discharge
11,15m³/s
Mean elev.
249m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 111.7 km²86.0% of basin
2 intersecting protected areas
Marine Protected Area
0.47 km² overlap
Whale
IUCN VPark
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 354 distinct species · 157 333 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Indian River - Kaasdahéen : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 12.3%, filtre Serrano α=0.2). 11 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°
5,0°C
Annual rain
2 338mm
Moisture idx (CMI)
0,79
Runoff
2 795mm/an
PET
494mm
AET
492mm
Mean slope
16,8°
Water table
529cm
Forest
43%
Crops
0%
Urban
4%
Protected
44%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)