Ontologia

Fleuve

Landesgrenzgraben

⚠ Partial coverage : only 1 named segment matched so far. The real fleuve extends much further (Strahler order 7 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.

Crosses 3 administrative regions : Bremen, Diepholz, Verden

fleuve

Max discharge

366,2m³/s

Max Strahler

7

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-20803477701421 km²

3 administrative regions crossed (GADM L2)

  • Verden
    Niedersachsen · Germany
    2.4 km
    in this dpt
  • Bremen
    Bremen · Germany
    0.0 km
    in this dpt
  • Diepholz
    Niedersachsen · Germany
    0.0 km
    in this dpt

3 intersecting protected areas

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

Species present

1 020 distinct species · 2 607 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 Landesgrenzgraben : 28 espèces reliées par 99 interactions GloBI sur 6 types (connectance 13.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
99
Connectance
0.134
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)

Matched len.

7,6km

Max discharge

366,2m³/s

Max Strahler

7

Segments matched

1

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