Ontologia

Rivière· 18 segments

Mühlengraben

Crosses 15 administrative regions : Bremen, Hameln-Pyrmont, Heidekreis, Hildesheim, Holzminden +10

rivière

Total length

298km

Max discharge

17,3m³/s

Max Strahler

4

Segments matched

18

River geography15 admin regions · 0 communes

Parent watershed

hybas-20803769701388 km²

15 administrative regions crossed (GADM L2)

  • Höxter
    Nordrhein-Westfalen · Germany
    22.9 km
    in this dpt
  • Osterode am Harz
    Niedersachsen · Germany
    22.9 km
    in this dpt
  • Nienburg (Weser)
    Niedersachsen · Germany
    7.4 km
    in this dpt
  • Siegen-Wittgenstein
    Nordrhein-Westfalen · Germany
    5.2 km
    in this dpt
  • Northeim
    Niedersachsen · Germany
    4.6 km
    in this dpt
  • Wesermarsch
    Niedersachsen · Germany
    3.8 km
    in this dpt
  • Holzminden
    Niedersachsen · Germany
    3.6 km
    in this dpt
  • Hildesheim
    Niedersachsen · Germany
    3.6 km
    in this dpt
  • Kassel
    Hessen · Germany
    3.0 km
    in this dpt
  • Hameln-Pyrmont
    Niedersachsen · Germany
    2.9 km
    in this dpt
  • Lippe
    Nordrhein-Westfalen · Germany
    2.7 km
    in this dpt
  • Oldenburg
    Niedersachsen · Germany
    1.7 km
    in this dpt
  • Heidekreis
    Niedersachsen · Germany
    0.5 km
    in this dpt
  • Waldeck-Frankenberg
    Hessen · Germany
    0.0 km
    in this dpt
  • Bremen
    Bremen · Germany
    0.0 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 105 distinct species · 3 347 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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 Mühlengraben : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 6 types (connectance 15.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
118
Connectance
0.159
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

298km

Max discharge

17,3m³/s

Max Strahler

4

Segments matched

18

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