Ontologia

Wetland of International Importance (Ramsar Site) · bwa

Okavango Delta System

IV · Aire d'habitats / espèces55 385 km²Established 1996
Key facts
Area
55 385 km²
IUCN cat.
IV
Year
1996

Overview

Designation
Wetland of International Importance (Ramsar Site)
IUCN category
IV · Aire d'habitats / espèces

Gestion active pour maintenir habitats / espèces particuliers

Established
1996
Managing authority
Full information available from the Ramsar Sites Information Service (RSIS) website - https://rsis.ramsar.org/ris/879

Source : WDPA (UNEP-WCMC, World Database on Protected Areas).

Species present

4 765 distinct species · 861 367 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 95 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 Okavango Delta System : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 463 interactions GloBI sur 6 types (connectance 1.8%, filtre Serrano α=0.2). 213 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
227
Interactions affichées
463
Connectance
0.018
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology108 basins · 50 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

1 956,0km

Lake surface here

30,17km²

Basins crossed

108

Max stream order

7

Max drainage

386 518km²

Discharge in basins

2 614,0m³/s

Mean precip.

468mm/an

Mean T°

22,2°C

Moisture idx

-0,75

Mean runoff

17mm/an

Mean elev. (basins)

963m

Watersheds crossing here

99 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (24, ord ≥ 4)

12 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Location

Chargement de la carte…

Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)

Centroid
-19.41925, 22.94420
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.