Ontologia

Ruisseau

Grenzgraben

Crosses 2 administrative regions : Kleve, Wesel

ruisseau

Total length

217km

Max discharge

2,6m³/s

Max Strahler

2

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-20803856501610 km²

2 administrative regions crossed (GADM L2)

  • Kleve
    Nordrhein-Westfalen · Germany
    11.0 km
    in this dpt
  • Wesel
    Nordrhein-Westfalen · Germany
    0.0 km
    in this dpt

14 intersecting protected areas

5 more protected areas

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

Species present

1 180 distinct species · 7 605 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Grenzgraben : 28 espèces reliées par 158 interactions GloBI sur 6 types (connectance 17.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
158
Connectance
0.175
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

217km

Max discharge

2,6m³/s

Max Strahler

2

Segments matched

1

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