Ontologia

Ruisseau· 7 segments

Van Stadens River

Crosses 2 administrative regions : Cacadu, Nelson Mandela Bay

ruisseau

Total length

27km

Max discharge

0,2m³/s

Max Strahler

2

Segments matched

7

River geography2 admin regions · 0 communes

Parent watershed

hybas-10800143802669 km²

2 administrative regions crossed (GADM L2)

  • Cacadu
    Eastern Cape · South Africa
    13.0 km
    in this dpt
  • Nelson Mandela Bay
    Eastern Cape · South Africa
    9.1 km
    in this dpt

1 intersecting protected areas

1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 124 distinct species · 5 854 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 48 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 Van Stadens River : 39 espèces reliées par 53 interactions GloBI sur 4 types (connectance 4.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
51
Interactions affichées
53
Connectance
0.042
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

27km

Max discharge

0,2m³/s

Max Strahler

2

Segments matched

7

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