Ontologia

HydroBASINS lev08 watershed · #2080418170

Bassin de l'Orneau

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 : Brabant Wallon, Hainaut, Namur

Pfafstetter: 23250882

Sub-basin area

198,8km²

Upstream area

198,8km²

Discharge

2,45m³/s

Mean elev.

155m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de la Sambre102 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

5 intersecting protected areas

  • Vallée de l'Orneau

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    3.03 km² overlap

  • Vallée de l'Orneau

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    3.03 km² overlap

  • Fonds Gatot et Laid Mâle

    IUCN IV

    Scientific Interest Site (Walloon Region)

    0.10 km² overlap

  • Mottes (Les)

    IUCN IV

    State Nature Reserve (Walloon Region)

    0.08 km² overlap

  • Escaille

    IUCN IV

    Certified Nature Reserve (Walloon Region)

    0.05 km² overlap

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

Species present

3 631 distinct species · 82 409 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

82 409 obs · 14 cellules
Obs. / cellule
≥ 14 650
12 477–14 649
6 207–12 476
5 231–6 206
< 5 231

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

Ecological tissue

Sample of 32 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 l'Orneau : 26 espèces + 6 bulles famille, 63 interactions GloBI documentées sur 3 types (connectance 12.7%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
32
Interactions affichées
63
Connectance
0.127
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°

9,6°C

Annual rain

844mm

Moisture idx (CMI)

0,10

Runoff

389mm/an

PET

757mm

AET

589mm

Mean slope

1,4°

Water table

97cm

Forest

0%

Crops

53%

Urban

23%

Protected

0%

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