Ontologia

HydroBASINS lev08 watershed · #2080522080

Bassin de la Sioule

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 3 administrative regions : Allier, Creuse, Puy-de-Dôme

2% lakePfafstetter: 23228020

Sub-basin area

2 541,8km²

Upstream area

2 541,8km²

Discharge

25,98m³/s

Mean elev.

616m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

168 communes (GADM L5)

30 intersecting protected areas

21 more protected areas

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

Species present

6 753 distinct species · 618 384 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

618 928 obs · 75 cellules
Obs. / cellule
≥ 33 398
17 118–33 397
8 837–17 117
6 173–8 836
< 6 173

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

Ecological tissue

Sample of 31 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 la Sioule : 26 espèces + 5 bulles famille, 54 interactions GloBI documentées sur 7 types (connectance 11.6%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
31
Interactions affichées
54
Connectance
0.116
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°

9,2°C

Annual rain

788mm

Moisture idx (CMI)

-0,07

Runoff

333mm/an

PET

851mm

AET

641mm

Mean slope

4,5°

Water table

342cm

Forest

25%

Crops

21%

Urban

0%

Protected

13%

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