Ontologia

HydroBASINS lev08 watershed · #2080238130

Bassin de Bitu

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 : Vinje

74% lakePfafstetter: 25106028

Sub-basin area

149,3km²

Upstream area

149,4km²

Discharge

3,7m³/s

Mean elev.

1 180m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Tokke202 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

358 distinct species · 1 713 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 713 obs · 5 cellules
Obs. / cellule
≥ 686
686–685
546–685
240–545
< 240

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

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Bitu : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
75
Connectance
0.119
Patrimoniales
1
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°

-0,7°C

Annual rain

1 180mm

Moisture idx (CMI)

0,66

Runoff

785mm/an

PET

392mm

AET

384mm

Mean slope

9,8°

Water table

548cm

Forest

25%

Crops

0%

Urban

0%

Protected

2%

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