Nature Reserve · zaf
Sandveld Nature Reserve
- Area
- 311 km²
- IUCN cat.
- Not Reported
- Year
- 1980
Overview
- Designation
- Nature Reserve
- Established
- 1980
- Managing authority
- Free State Department of Environmental Affairs
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
391 distinct species · 13 358 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Sandveld Nature Reserve : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 2 types (connectance 7.8%, 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).
Hydrology10 basins · 9 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
93,8km
Lake surface here
64,67km²
Basins crossed
10
Max stream order
6
Max drainage
106 462km²
Discharge in basins
50,0m³/s
Mean precip.
518mm/an
Mean T°
17,3°C
Moisture idx
-0,68
Mean runoff
35mm/an
Mean elev. (basins)
1 267m
Watersheds crossing here
- Bassin de Vaal Riversub-area462,8 km²overlap115.79 km²37%
- Bassin de Vaal Riversub-area659,7 km²overlap67.44 km²22%
- Bassin de Vaal Riversub-area858,9 km²overlap66.82 km²21%
- Bassin de Vet Riversub-area1 470,1 km²overlap38.30 km²12%
- Bassin de Sandspruitsub-area1 456,6 km²overlap10.52 km²3%
- Bassin de Vaal Riversub-area793,8 km²overlap5.90 km²2%
- Bassin de Vaal Riversub-area19,7 km²overlap3.06 km²1%
- Basin #17700sub-area998,2 km²overlap2.50 km²1%
- Bassin de Vaal Riversub-area5,7 km²overlap0.72 km²0%
1 more basinssorted by overlap
Lakes (9, top by area)
- Bloemhofdamarea163,6 km²avg depth7.8 m
- Lake #83519area1,2 km²avg depth2.0 m
- Lac 1420511area0,8 km²avg depth1.9 m
- Lac 1420406area0,3 km²avg depth1.6 m
- Lac 1420323area0,2 km²avg depth1.8 m
- Lac 1420496area0,2 km²avg depth1.1 m
- Lac 1420463area0,2 km²avg depth1.1 m
- Lac 1420478area0,2 km²avg depth0.8 m
- Lac 1420392area0,1 km²avg depth2.1 m
Rivers / streams (3, 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
- -27.66888, 25.70321
- 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.