Ontologia

Ruisseau· 4 segments

Schwarzer Graben

Crosses 4 administrative regions : Bodenseekreis, Ortenaukreis, Rhein-Kreis Neuss, Wesel

ruisseau

Total length

144km

Max discharge

0,4m³/s

Max Strahler

1

Segments matched

4

River geography4 admin regions · 0 communes

Parent watershed

hybas-20803998001750 km²

4 administrative regions crossed (GADM L2)

  • Wesel
    Nordrhein-Westfalen · Germany
    11.1 km
    in this dpt
  • Rhein-Kreis Neuss
    Nordrhein-Westfalen · Germany
    5.2 km
    in this dpt
  • Bodenseekreis
    Baden-Württemberg · Germany
    2.2 km
    in this dpt
  • Ortenaukreis
    Baden-Württemberg · Germany
    1.1 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 580 distinct species · 7 640 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 Schwarzer Graben : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 125 interactions GloBI sur 5 types (connectance 18.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
125
Connectance
0.188
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

144km

Max discharge

0,4m³/s

Max Strahler

1

Segments matched

4

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