Distritos Obispos, Sosa, Rojas y Bolívar del Estado Barinas, y Guanare y Guanarito del Estado Portuguesa (Guanare - Masparro)
IUCN VINational Hydraulic Reserve (RNH) · 1974
9 185 km²
Municipality · VEN
Alberto Arvelo Torrealba
Venezuela
AwTropical, savannah(98 %)
Species observed
323
Observations
1 134
Area
555,3km²
Ecological tissue
Sample of 32 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 Alberto Arvelo Torrealba : 24 espèces reliées par 31 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
31
Connectance
0.063
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
323 distinct species · 1 134 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 941mm
Warmest m°
31,8°C
Coldest m°
21,9°C
Elevation: 255 m on average (min 122 m, max 1 138 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 941mm
Warmest month
31,8°C
Coldest month
21,9°C
Mean alt.
255m
Min
122m
Max
1 138m
Std. dev.
187m
Köppen-Geiger (dominant)
AwTropical, savannah(98 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,8
Org. C
22,6g/kg
Clay
36,4%
Sand
23,1%
Silt
40,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
31,4g/kg
Clay
35,8%
Sand
23,4%
Silt
40,8%
5–15 cm
pH H₂O
5,8
Org. C
22,6g/kg
Clay
36,8%
Sand
22,8%
Silt
40,4%
15–30 cm
pH H₂O
5,8
Org. C
13,8g/kg
Clay
36,5%
Sand
23,0%
Silt
40,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest39.2%
Crops3.7%
Built-up0.6%
Bare soil0.0%
Other (grassland, water…)56.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
111,7km
Lake surface here
6,07km²
Basins crossed
5
Max stream order
4
Max drainage
5 742km²
Discharge in basins
10,6m³/s
Mean precip.
1 377mm/an
Mean T°
24,3°C
Moisture idx
-0,16
Mean runoff
522mm/an
Mean elev. (basins)
690m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,7nW
Built-up
58,1%
Pesticides
12,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN VI · 4IUCN V · 1
Distritos Obispos, Sosa, Rojas y Bolívar del Estado Barinas, y Guanare y Guanarito del Estado Portuguesa (Guanare - Masparro)
IUCN VIRural Integrated Development Area (ARDI) · 1974
4 828 km²
Cuencas de los Ríos Guanare - Boconó - Tucupido - Masparro - La Yuca
IUCN VIProtective Zone (ZP) · 1974
4 242 km²
Piedemonte Portuguesa
IUCN VForest Area Under Protection (ABBP) · 1991
536 km²
Franja de 100 metros de ancho a ambos márgenes de los ríos Guanare, Tucupido, Boconó, La Yuca y Masparro
IUCN VIProtective Zone (ZP) · 1974
206 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN