Umtamvuna Nature Reserve
IUCN Not ReportedNature Reserve · 1971
26 km²
Subdivision · ZAF
29
South Africa
CfaTemperate, no dry season, hot summer(100 %)
Species observed
151
Observations
222
Area
97,6km²
Ecological tissue
Sample of 48 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 29 : 44 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 3.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
48
Interactions affichées
42
Connectance
0.037
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
151 distinct species · 222 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,9°C
Annual rain
1 094mm
Warmest m°
25,3°C
Coldest m°
9,9°C
Elevation: 387 m on average (min 231 m, max 568 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,9°C
Annual rain
1 094mm
Warmest month
25,3°C
Coldest month
9,9°C
Mean alt.
387m
Min
231m
Max
568m
Std. dev.
61m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,9
Org. C
25,5g/kg
Clay
28,8%
Sand
42,7%
Silt
28,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Alfred Nzo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
34,2g/kg
Clay
26,6%
Sand
43,6%
Silt
29,8%
5–15 cm
pH H₂O
5,9
Org. C
24,1g/kg
Clay
26,5%
Sand
44,6%
Silt
29,0%
15–30 cm
pH H₂O
5,9
Org. C
18,2g/kg
Clay
33,3%
Sand
39,9%
Silt
26,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.9%
Crops33.7%
Built-up0.8%
Bare soil3.4%
Other (grassland, water…)43.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
29,4km
Basins crossed
2
Max stream order
4
Max drainage
1 606km²
Discharge in basins
1,2m³/s
Mean precip.
1 000mm/an
Mean T°
16,7°C
Moisture idx
-0,18
Mean runoff
402mm/an
Mean elev. (basins)
743m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
78,6%
Pesticides
28,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN