Ontologia

Rivière· 2 segments

La Semoy

Crosses 2 administrative regions : Ardennes, Namur

rivière

Total length

22km

Max discharge

16,9m³/s

Max Strahler

4

Segments matched

2

River geography2 admin regions · 2 communes

Parent watershed

hybas-20804325901335 km²

2 administrative regions crossed (GADM L2)

  • Namur
    Wallonie · Belgium
    7.4 km
    in this dpt
  • Ardennes
    Grand Est · France
    6.3 km
    in this dpt
2 communes (L5)

8 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 368 distinct species · 7 693 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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 Semoy : 31 espèces reliées par 87 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
87
Connectance
0.117
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

22km

Max discharge

16,9m³/s

Max Strahler

4

Segments matched

2

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