Ontologia

UNESCO-MAB Biosphere Reserve · VEN

Alto Orinoco - Casiquiare

IUCN Not Applicable84 592 km²Established 1991
Key facts
Area
84 592 km²
IUCN cat.
Not Applicable
Year
1991

Overview

Designation
UNESCO-MAB Biosphere Reserve
Established
1991
Managing authority
Ministerio del Poder Popular para el Ecosocialismo (MINEC)

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

Species present

7 200 distinct species · 42 496 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 24 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 Alto Orinoco - Casiquiare : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
19
Connectance
0.069
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydrology149 basins · 12 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

3 800,4km

Lake surface here

6,68km²

Basins crossed

149

Max stream order

7

Max drainage

49 012km²

Discharge in basins

27 769,3m³/s

Mean precip.

2 752mm/an

Mean T°

24,9°C

Moisture idx

0,36

Mean runoff

1 620mm/an

Mean elev. (basins)

461m

Watersheds crossing here

140 more basins

Lakes (12, top by area)

3 more lakes

Rivers / streams (17, ord ≥ 4)

5 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
2.50556, -65.28808
Open in maps
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Species observed (Phase 2)

Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.