Ontologia

HydroBASINS lev08 watershed · #2080735790

Bassin · #2080735790

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 : Marivan

Pfafstetter: 29464805

Sub-basin area

55,3km²

Upstream area

1 473,2km²

Discharge

17,23m³/s

Mean elev.

1 683m

Administrative coverage

Hydrographic chain

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

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

Species present

19 distinct species · 43 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 obs · 2 cellules
Obs. / cellule
≥ 41
41–40
41–40
41–40
< 41

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

Ecological tissue

Sample of 1 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 · #2080735790 : 0 espèces reliées par 0 interaction GloBI sur 0 type (connectance 0.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
1
Interactions affichées
0
Connectance
0.0000
Patrimoniales
0
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°

11,8°C

Annual rain

636mm

Moisture idx (CMI)

-0,51

Runoff

399mm/an

PET

1 311mm

AET

537mm

Mean slope

21,3°

Water table

859cm

Forest

14%

Crops

26%

Urban

0%

Protected

0%

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