Ontologia

Ruisseau

Swalm

Crosses 5 administrative regions : Beesel, Leudal, Peel en Maas, Roermond, Viersen

ruisseau

Total length

12km

Max discharge

3,5m³/s

Max Strahler

3

Segments matched

1

River geography5 admin regions · 0 communes

Parent watershed

hybas-2080397730267 km²

5 administrative regions crossed (GADM L2)

  • Viersen
    Nordrhein-Westfalen · Germany
    8.7 km
    in this dpt
  • Roermond
    Limburg · Netherlands
    6.5 km
    in this dpt
  • Beesel
    Limburg · Netherlands
    1.8 km
    in this dpt
  • Leudal
    Limburg · Netherlands
    0.0 km
    in this dpt
  • Peel en Maas
    Limburg · Netherlands
    0.0 km
    in this dpt

26 intersecting protected areas

17 more protected areas

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

Species present

2 700 distinct species · 49 170 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Swalm : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 9.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
75
Connectance
0.091
Patrimoniales
2
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

12km

Max discharge

3,5m³/s

Max Strahler

3

Segments matched

1

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