Ruisseau· 9 segments
Boontjiesrivier
Crosses 1 administrative regions : Cape Winelands
Total length
51km
Max discharge
2m³/s
Max Strahler
2
Segments matched
9
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Cape WinelandsWestern Cape · South Africa30.7 kmin this dpt
2 intersecting protected areas
Cape Floral Region Protected Areas
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Grootvlei Nature Reserve
IUCN Not ReportedNature Reserve
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 540 distinct species · 12 322 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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).
Indicateurs du tissu écologique
Tissu écologique de Boontjiesrivier : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 4.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
51km
Max discharge
2,0m³/s
Max Strahler
2
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.