Ontologia

Rivière· 2 segments

Stranggraben

Crosses 2 administrative regions : Harz, Nordsachsen

rivière

Total length

13km

Max discharge

8,8m³/s

Max Strahler

4

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-208038062043 km²

2 administrative regions crossed (GADM L2)

  • Harz
    Sachsen-Anhalt · Germany
    6.2 km
    in this dpt
  • Nordsachsen
    Sachsen · Germany
    3.6 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

209 distinct species · 1 112 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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 Stranggraben : 29 espèces reliées par 93 interactions GloBI sur 6 types (connectance 12.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
93
Connectance
0.126
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

13km

Max discharge

8,8m³/s

Max Strahler

4

Segments matched

2

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