Ontologia

HydroBASINS lev08 watershed · #2080033730

Bassin de Numedalslågen

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 26 administrative regions : Andebu, Eidfjord, Flesberg, Flå, Hof +21

56% lakePfafstetter: 25105006

Sub-basin area

5 729,8km²

Upstream area

5 730,1km²

Discharge

95,79m³/s

Mean elev.

817m

Administrative coverage

26 dept-equivalent regions (GADM L2)

18 more

30 intersecting protected areas

21 more protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

12 764 distinct species · 659 825 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

659 825 obs · 228 cellules
Obs. / cellule
≥ 22 000
4 333–21 999
1 943–4 332
1 150–1 942
< 1 150

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Numedalslågen : 26 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 6 types (connectance 14.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
93
Connectance
0.140
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

1,2°C

Annual rain

923mm

Moisture idx (CMI)

0,47

Runoff

614mm/an

PET

460mm

AET

415mm

Mean slope

7,4°

Water table

369cm

Forest

57%

Crops

3%

Urban

1%

Protected

26%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)