Ontologia

Rivière· 18 segments

Bergrivier

Crosses 2 administrative regions : Pixley ka Seme, Xhariep

rivière

Total length

68km

Max discharge

0,4m³/s

Max Strahler

4

Segments matched

18

River geography2 admin regions · 0 communes

Parent watershed

hybas-10816362101164 km²

2 administrative regions crossed (GADM L2)

  • Xhariep
    Free State · South Africa
    96.1 km
    in this dpt
  • Pixley ka Seme
    Northern Cape · South Africa
    0.2 km
    in this dpt

3 intersecting protected areas

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

Species present

111 distinct species · 538 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 12 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 Bergrivier : 10 espèces reliées par 9 interactions GloBI sur 3 types (connectance 13.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
12
Interactions affichées
9
Connectance
0.136
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

68km

Max discharge

0,4m³/s

Max Strahler

4

Segments matched

18

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