Okavango Delta System
IUCN IVWetland of International Importance (Ramsar Site) · 1996
55 385 km²
Pays · NAM
Species observed
14 049
Observations
2 311 313
Area
824 048km²
Sample of 13 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).
Tissu écologique de Namibia : 11 espèces reliées par 12 interactions GloBI sur 2 types (connectance 13.2%, 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).
14 049 distinct species · 2 311 313 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
21,2°C
Annual rain
276mm
Warmest m°
32,4°C
Coldest m°
8,1°C
Elevation: 1 089 m on average (min -48 m, max 2 330 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
8,1
Org. C
5,1g/kg
Clay
12,1%
Sand
72,9%
Silt
15,0%
Average over 0-30 cm. Per-depth details in expert panel.
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
34 049,9km
Lake surface here
225,50km²
Basins crossed
1 238
Max stream order
9
Max drainage
884 883km²
Discharge in basins
12 522,1m³/s
Mean precip.
286mm/an
Mean T°
19,9°C
Moisture idx
-0,84
Mean runoff
12mm/an
Mean elev. (basins)
1 089m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,0nW
Built-up
2,9%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 1996
55 385 km²
National Park · 1986
50 766 km²
Game Management Area · 1971
43 231 km²
World Heritage Site (natural or mixed) · 2013
30 758 km²
National Park · 1971
25 939 km²
National Park · 1975
22 941 km²
+ 40 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN