Fleuve majeur· 146 segments
Orange River (Oranje)
Crosses 4 administrative regions : Karas, Luderitz, Namakwa, Oranjemund
Total length
346km
Max discharge
442,3m³/s
Max Strahler
9
Segments matched
146
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- NamakwaNorthern Cape · South Africa461.3 kmin this dpt
- Oranjemund!Karas · Namibia108.2 kmin this dpt
- Karas!Karas · Namibia81.4 kmin this dpt
- Luderitz!Karas · Namibia4.5 kmin this dpt
7 intersecting protected areas
Tsau // Khaeb (Sperrgebiet)
IUCN Not ReportedNational Park
Ai-Ais Hot Springs
IUCN IINational Park
Richtersveld National Park
IUCN Not ReportedNational Park
Nababiep Nature Reserve
IUCN Not ReportedNature Reserve
Orange River Mouth Nature Reserve
IUCN Not ReportedNature Reserve
Orange River Mouth Wetland
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Orange River Mouth
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1 page = 1 named river (aggregation of 146 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
72 distinct species · 96 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Orange River (Oranje) : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 3 types (connectance 17.9%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
346km
Max discharge
442,3m³/s
Max Strahler
9
Segments matched
146
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.