Ontologia

Rivière· 16 segments

Ilmenau

Crosses 4 administrative regions : Hamburg, Harburg, Lüneburg, Uelzen

rivière

Total length

93km

Max discharge

28m³/s

Max Strahler

4

Segments matched

16

River geography4 admin regions · 0 communes

Parent watershed

hybas-20803422902703 km²

4 administrative regions crossed (GADM L2)

  • Uelzen
    Niedersachsen · Germany
    34.0 km
    in this dpt
  • Lüneburg
    Niedersachsen · Germany
    21.1 km
    in this dpt
  • Harburg
    Niedersachsen · Germany
    16.8 km
    in this dpt
  • Hamburg
    Hamburg · Germany
    0.0 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 916 distinct species · 11 248 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Ilmenau : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 6 types (connectance 9.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
80
Connectance
0.098
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

93km

Max discharge

28,0m³/s

Max Strahler

4

Segments matched

16

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