Ontologia

Ruisseau

Katzhorngraben

Crosses 2 administrative regions : Celle, Region Hannover

ruisseau

Total length

8km

Max discharge

4,3m³/s

Max Strahler

3

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-20803585307817 km²

2 administrative regions crossed (GADM L2)

  • Region Hannover
    Niedersachsen · Germany
    4.6 km
    in this dpt
  • Celle
    Niedersachsen · Germany
    3.6 km
    in this dpt

5 intersecting protected areas

  • Hagenbruch

    IUCN V

    Landscape Protection Area

  • Ersetal

    IUCN V

    Landscape Protection Area

  • Bohlenbruch

    IUCN IV

    Nature Reserve

  • Bohlenbruch

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Erse

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

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

Species present

1 652 distinct species · 15 759 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Katzhorngraben : 30 espèces reliées par 91 interactions GloBI sur 5 types (connectance 11.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
91
Connectance
0.117
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

8km

Max discharge

4,3m³/s

Max Strahler

3

Segments matched

1

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