Ontologia

Rivière· 5 segments

Aland

Crosses 3 administrative regions : Lüchow-Dannenberg, Prignitz, Stendal

rivière

Total length

31km

Max discharge

7,8m³/s

Max Strahler

4

Segments matched

5

River geography3 admin regions · 0 communes

Parent watershed

hybas-20803510801989 km²

3 administrative regions crossed (GADM L2)

  • Stendal
    Sachsen-Anhalt · Germany
    29.7 km
    in this dpt
  • Lüchow-Dannenberg
    Niedersachsen · Germany
    1.5 km
    in this dpt
  • Prignitz
    Brandenburg · Germany
    0.0 km
    in this dpt

19 intersecting protected areas

10 more protected areas

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

736 distinct species · 1 492 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 Aland : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 115 interactions GloBI sur 5 types (connectance 12.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
115
Connectance
0.127
Patrimoniales
2
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

31km

Max discharge

7,8m³/s

Max Strahler

4

Segments matched

5

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