HydroBASINS lev08 watershed · #2080038540
Bassin de Tverrelva - Fállejohka - Fallijoki
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 : Alta
Sub-basin area
236,9km²
Upstream area
236,9km²
Discharge
3,5m³/s
Mean elev.
375m
Administrative coverage
2 intersecting protected areas
Tverrelvdalen
IUCN IaNature Reserve
2.04 km² overlap
Isberglia
IUCN IaNature Reserve
1.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
980 distinct species · 8 062 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Tverrelva - Fállejohka - Fallijoki : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 6 types (connectance 12.3%, filtre Serrano α=0.2). 13 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°
-3,1°C
Annual rain
584mm
Moisture idx (CMI)
0,39
Runoff
479mm/an
PET
354mm
AET
305mm
Mean slope
5,7°
Water table
215cm
Forest
47%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)