Ontologia

Fleuve

Grenzgraben

⚠ Partial coverage : only 1 named segment matched so far. The real fleuve extends much further (Strahler order 7 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.

Crosses 3 administrative regions : Laufenburg, Rheinfelden, Waldshut

fleuve

Max discharge

1 017,3m³/s

Max Strahler

7

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080493940687 km²

3 administrative regions crossed (GADM L2)

  • Waldshut
    Baden-Württemberg · Germany
    4.3 km
    in this dpt
  • Rheinfelden
    Aargau · Switzerland
    1.6 km
    in this dpt
  • Laufenburg
    Aargau · Switzerland
    0.4 km
    in this dpt

9 intersecting 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 · 35 506 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
58
Connectance
0.125
Patrimoniales
1
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)

Matched len.

217,2km

Max discharge

1 017,3m³/s

Max Strahler

7

Segments matched

1

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