Ontologia

Rivière· 180 segments

Sundays River

Crosses 2 administrative regions : Cacadu, Nelson Mandela Bay

rivière

Total length

664km

Max discharge

16,4m³/s

Max Strahler

5

Segments matched

180

River geography2 admin regions · 0 communes

Parent watershed

hybas-1081655910129 km²

2 administrative regions crossed (GADM L2)

  • Cacadu
    Eastern Cape · South Africa
    817.8 km
    in this dpt
  • Nelson Mandela Bay
    Eastern Cape · South Africa
    43.3 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 180 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

54 distinct species · 57 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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 Sundays River : 10 espèces reliées par 8 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
8
Connectance
0.145
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

664km

Max discharge

16,4m³/s

Max Strahler

5

Segments matched

180

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