Ontologia

Rivière· 31 segments

La Sambre

Crosses 4 administrative regions : Aisne, Hainaut, Namur, Nord

rivière

Total length

173km

Max discharge

33,7m³/s

Max Strahler

4

Segments matched

31

River geography4 admin regions · 40 communes

Parent watershed

hybas-2080419160851 km²

4 administrative regions crossed (GADM L2)

  • Nord
    Hauts-de-France · France
    45.6 km
    in this dpt
  • Hainaut
    Wallonie · Belgium
    36.7 km
    in this dpt
  • Namur
    Wallonie · Belgium
    31.6 km
    in this dpt
  • Aisne
    Hauts-de-France · France
    11.6 km
    in this dpt
40 communes (L5)

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 31 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 522 distinct species · 12 024 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 La Sambre : 29 espèces + 5 bulles famille, 47 interactions GloBI documentées sur 4 types (connectance 8.4%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
47
Connectance
0.084
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

173km

Max discharge

33,7m³/s

Max Strahler

4

Segments matched

31

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.