Ontologia

Ruisseau· 3 segments

Perlenbach

Crosses 2 administrative regions : Liège, Städteregion Aachen

ruisseau

Total length

38km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

3

River geography2 admin regions · 0 communes

Parent watershed

hybas-20803996502355 km²

2 administrative regions crossed (GADM L2)

  • Städteregion Aachen
    Nordrhein-Westfalen · Germany
    9.3 km
    in this dpt
  • Liège
    Wallonie · Belgium
    1.8 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 700 distinct species · 22 830 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Perlenbach : 18 espèces reliées par 114 interactions GloBI sur 7 types (connectance 26.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
114
Connectance
0.262
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

38km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

3

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