Ontologia

HydroBASINS lev08 watershed · #7080394550

Bassin de Bull Creek

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 : Harding

Pfafstetter: 74297476

Sub-basin area

463km²

Upstream area

463,2km²

Discharge

0,89m³/s

Mean elev.

925m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

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

Species present

347 distinct species · 1 638 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 638 obs · 12 cellules
Obs. / cellule
≥ 376
363–375
234–362
87–233
< 87

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

Ecological tissue

Sample of 43 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 Bull Creek : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 136 interactions GloBI sur 4 types (connectance 15.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
136
Connectance
0.151
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°

6,4°C

Annual rain

393mm

Moisture idx (CMI)

-0,61

Runoff

60mm/an

PET

1 005mm

AET

342mm

Mean slope

2,6°

Water table

434cm

Forest

0%

Crops

21%

Urban

0%

Protected

0%

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