Ontologia

Rivière· 11 segments

Pienaars

Crosses 2 administrative regions : City of Tshwane, Waterberg

rivière

Total length

72km

Max discharge

1,1m³/s

Max Strahler

4

Segments matched

11

River geography2 admin regions · 0 communes

Parent watershed

hybas-10815908301999 km²

2 administrative regions crossed (GADM L2)

  • City of Tshwane
    Gauteng · South Africa
    40.9 km
    in this dpt
  • Waterberg
    Limpopo · South Africa
    12.3 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

145 distinct species · 167 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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 Pienaars : 36 espèces reliées par 28 interactions GloBI sur 4 types (connectance 4.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
28
Connectance
0.040
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

72km

Max discharge

1,1m³/s

Max Strahler

4

Segments matched

11

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