Mountain Catchment Area · zaf
Sederberg Mountain Catchment Area
- Area
- 594 km²
- IUCN cat.
- Not Reported
- Year
- 1978
Overview
- Designation
- Mountain Catchment Area
- Established
- 1978
- Managing authority
- Private Owners
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
886 distinct species · 4 632 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Sederberg Mountain Catchment Area : 15 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 1 bulle famille, 10 interactions GloBI documentées sur 2 types (connectance 8.3%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology12 basins · 0 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
83,6km
Basins crossed
12
Max stream order
3
Max drainage
24 036km²
Discharge in basins
8,8m³/s
Mean precip.
373mm/an
Mean T°
15,1°C
Moisture idx
-0,73
Mean runoff
93mm/an
Mean elev. (basins)
826m
Watersheds crossing here
- Bassin de Leeusub-area805,9 km²overlap190.37 km²32%
- Bassin de Grootsub-area286,1 km²overlap85.66 km²14%
- Bassin de Boskloofriviersub-area203,6 km²overlap68.02 km²11%
- Bassin de Matjiessub-area397,1 km²overlap60.40 km²10%
- Bassin de Olifants Riversub-area627,1 km²overlap58.02 km²10%
- Bassin de Hex Riversub-area133,9 km²overlap44.73 km²8%
- Bassin de Olifants Riversub-area152,6 km²overlap22.51 km²4%
- Bassin de Olifants Riversub-area132,7 km²overlap21.37 km²4%
- Bassin de Brandewynsub-area1 029,7 km²overlap16.76 km²3%
Rivers / streams (15, ord ≥ 4)
- Breekkrans Riverord 1len here17.66 km76%total23 km
- Hex Riverord 2len here15.23 km65%total24 km
- Grootord 4len here10.26 km12%total88 km
- Leeuord 3len here8.41 km20%total42 km
- Rietklooford 3len here7.77 km21%total38 km
- Matjiesord 2len here6.75 km16%total41 km
- Asias se Klooford 1len here4.64 km37%total12 km
- Tonteldoekklooford 1len here4.53 km34%total14 km
- Boskloofrivierord 3len here3.72 km15%total24 km
- Amandelrivierord 2len here1.46 km18%total8 km
- Withoogteklooford 1len here0.85 km3%total24 km
- Bokveldsklooford 1len here0.72 km8%total9 km
3 more river segmentssorted by Strahler order + length
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
- -32.62799, 19.27163
- 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.