Ontologia

Rivière· 9 segments

Lesse

Crosses 1 administrative regions : Namur

rivière

Total length

45km

Max discharge

142,1m³/s

Max Strahler

5

Segments matched

9

River geography1 admin regions · 0 communes

Parent watershed

hybas-20804237101332 km²

1 administrative regions crossed (GADM L2)

  • Namur
    Wallonie · Belgium
    25.5 km
    in this dpt

29 intersecting protected areas

20 more protected areas

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 483 distinct species · 7 602 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Lesse : 27 espèces + 6 bulles famille, 48 interactions GloBI documentées sur 4 types (connectance 9.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
33
Interactions affichées
48
Connectance
0.091
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

45km

Max discharge

142,1m³/s

Max Strahler

5

Segments matched

9

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