Ruisseau
Horstgraben
Crosses 1 administrative regions : Celle
Total length
55km
Max discharge
5m³/s
Max Strahler
3
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- CelleNiedersachsen · Germany5.5 kmin this dpt
4 intersecting protected areas
Aller (mit Barnbruch), untere Leine, untere Oker
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Allertal bei Celle
IUCN VLandscape Protection Area
Landscape Protection Area
Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
2 238 distinct species · 49 361 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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).
Indicateurs du tissu écologique
Tissu écologique de Horstgraben : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 111 interactions GloBI sur 5 types (connectance 18.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
55km
Max discharge
5,0m³/s
Max Strahler
3
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.