Karoo Garriep Nature Reserve
IUCN Not ReportedNature Reserve · 2018
43 km²
Commune · ZAF
Emthanjeni
South Africa
BSkArid, steppe, cold(44 %)
Species observed
1 566
Observations
64 900
Area
13 472km²
Ecological tissue
Sample of 20 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 Emthanjeni : 16 espèces reliées par 18 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
20
Interactions affichées
18
Connectance
0.095
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 566 distinct species · 64 900 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,2°C
Annual rain
320mm
Warmest m°
31,6°C
Coldest m°
2,4°C
Elevation: 1 249 m on average (min 990 m, max 1 710 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
17,2°C
Annual rain
320mm
Warmest month
31,6°C
Coldest month
2,4°C
Mean alt.
1 249m
Min
990m
Max
1 710m
Std. dev.
134m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(44 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,8
Org. C
6,8g/kg
Clay
20,3%
Sand
59,3%
Silt
20,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Pixley ka Seme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,8
Org. C
8,3g/kg
Clay
17,8%
Sand
61,3%
Silt
20,9%
5–15 cm
pH H₂O
7,9
Org. C
6,1g/kg
Clay
18,1%
Sand
61,0%
Silt
20,9%
15–30 cm
pH H₂O
7,9
Org. C
6,0g/kg
Clay
25,1%
Sand
55,5%
Silt
19,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.2%
Crops0.4%
Built-up0.0%
Bare soil25.1%
Other (grassland, water…)74.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology27 basins · 13 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
706,9km
Lake surface here
17,42km²
Basins crossed
27
Max stream order
6
Max drainage
27 677km²
Discharge in basins
11,3m³/s
Mean precip.
298mm/an
Mean T°
15,8°C
Moisture idx
-0,81
Mean runoff
6mm/an
Mean elev. (basins)
1 269m
Watersheds crossing here
- Bassin de Brack Riversub-area2 451,8 km²overlap2349.98 km²17%
- Bassin de Ongersriviersub-area2 513,5 km²overlap2265.37 km²17%
- Bassin de Ongersriviersub-area1 870,6 km²overlap1355.64 km²10%
- Bassin de Brack Riversub-area1 953,4 km²overlap1354.49 km²10%
- Bassin de Seekoei Riversub-area1 440,7 km²overlap1342.86 km²10%
- Bassin de Brack Riversub-area1 033,5 km²overlap1032.44 km²8%
- Basin #37870sub-area891,6 km²overlap790.63 km²6%
- Bassin de Seekoei Riversub-area1 933,6 km²overlap556.37 km²4%
- Bassin de Procesfonteinspruitsub-area2 445,9 km²overlap447.23 km²3%
18 more basinssorted by overlap
- Bassin de Brack Riversub-area360,6 km²overlap360.24 km²3%
- Bassin de Seekoei Riversub-area920 km²overlap275.76 km²2%
- Basin #41240sub-area756,1 km²overlap254.20 km²2%
- Bassin de Seekoei Riversub-area1 437,8 km²overlap191.70 km²1%
- Basin #45300sub-area669,2 km²overlap172.22 km²1%
- Bassin de Brack Riversub-area253,9 km²overlap167.01 km²1%
- Bassin de Brack Riversub-area230,5 km²overlap100.54 km²1%
- Bassin de Brack Riversub-area244,6 km²overlap98.71 km²1%
- Bassin de Ongersriviersub-area282,4 km²overlap96.22 km²1%
- Bassin de Ongersriviersub-area1 163,3 km²overlap56.72 km²0%
- Basin #36620sub-area1 699,2 km²overlap47.88 km²0%
- Basin #47920sub-area1 568,8 km²overlap47.77 km²0%
- Bassin de Seekoei Riversub-area39,3 km²overlap39.23 km²0%
- Bassin de Brakriviersub-area190,7 km²overlap27.39 km²0%
- Bassin de Seekoei Riversub-area151,5 km²overlap21.47 km²0%
- Bassin de Seekoei Riversub-area1 863,5 km²overlap12.72 km²0%
- Bassin de Brakriviersub-area1 317,5 km²overlap4.65 km²0%
- Basin #37440sub-area1 847 km²overlap2.51 km²0%
Lakes (13, top by area)
- Lake #16489area13,1 km²avg depth1.0 m
- Lac 1423065area0,9 km²avg depth2.6 m
- Lac 1423096area0,8 km²avg depth124.4 m
- Lac 1423162area0,4 km²avg depth2.6 m
- Lac 1423316area0,3 km²avg depth2.1 m
- Lac 1422862area0,3 km²avg depth1.4 m
- Lac 1423314area0,3 km²avg depth1.6 m
- Lac 1422944area0,3 km²avg depth1.8 m
- Lac 1423620area0,3 km²avg depth1.2 m
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
3,4%
Pesticides
10,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 3
Hanover Aarvark Nature Reserve
IUCN Not ReportedNature Reserve · 2021
24 km²
De Aar Nature Reserve
IUCN Not ReportedNature Reserve · 1975
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN