Ontologia

Rivière· 65 segments

Grootrivier

Crosses 2 administrative regions : Central Karoo, Eden

rivière

Total length

323km

Max discharge

7,9m³/s

Max Strahler

5

Segments matched

65

River geography2 admin regions · 0 communes

Parent watershed

hybas-10816596901369 km²

2 administrative regions crossed (GADM L2)

  • Eden
    Western Cape · South Africa
    194.9 km
    in this dpt
  • Central Karoo
    Western Cape · South Africa
    49.4 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 65 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

749 distinct species · 3 008 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Grootrivier : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 3.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
33
Connectance
0.038
Patrimoniales
1
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

323km

Max discharge

7,9m³/s

Max Strahler

5

Segments matched

65

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