Ontologia

Ruisseau

Schneegraben

Crosses 4 administrative regions : Börde, Gifhorn, Helmstedt, Wolfsburg

ruisseau

Total length

13km

Max discharge

3,1m³/s

Max Strahler

3

Segments matched

1

River geography4 admin regions · 0 communes

Parent watershed

hybas-20803585307817 km²

4 administrative regions crossed (GADM L2)

  • Helmstedt
    Niedersachsen · Germany
    2.7 km
    in this dpt
  • Wolfsburg
    Niedersachsen · Germany
    1.9 km
    in this dpt
  • Gifhorn
    Niedersachsen · Germany
    0.5 km
    in this dpt
  • Börde
    Sachsen-Anhalt · Germany
    0.0 km
    in this dpt

16 intersecting protected areas

7 more protected areas

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

Species present

1 227 distinct species · 4 143 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 Schneegraben : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 149 interactions GloBI sur 5 types (connectance 28.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
149
Connectance
0.282
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)

Total length

13km

Max discharge

3,1m³/s

Max Strahler

3

Segments matched

1

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