Nature Reserve · zaf
Oviston Nature Reserve
- Area
- 323 km²
- IUCN cat.
- Not Reported
- Year
- 1981
Overview
- Designation
- Nature Reserve
- Established
- 1981
- Managing authority
- Eastern Cape Parks & Tourism Agency (ECPTA)
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
423 distinct species · 6 921 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Oviston Nature Reserve : 26 espèces reliées par 22 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology7 basins · 4 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
103,2km
Lake surface here
157,98km²
Basins crossed
7
Max stream order
6
Max drainage
71 229km²
Discharge in basins
146,2m³/s
Mean precip.
441mm/an
Mean T°
15,5°C
Moisture idx
-0,70
Mean runoff
15mm/an
Mean elev. (basins)
1 390m
Watersheds crossing here
- Bassin de Orange Riversub-area1 255,7 km²overlap94.76 km²29%
- Bassin de Orange–Fish River Water Tunnelsub-area749,8 km²overlap94.59 km²29%
- Bassin de Orange Riversub-area825,5 km²overlap58.72 km²18%
- Bassin de Suurbergspruitsub-area1 073,2 km²overlap54.27 km²17%
- Bassin de Broekspruitsub-area1 867,9 km²overlap16.93 km²5%
- Bassin de Orange Riversub-area4,7 km²overlap2.84 km²1%
- Bassin de Orange Riversub-area656,6 km²overlap1.01 km²0%
Lakes (4, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- -30.65351, 25.56560
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.