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
Barinas
Venezuela
AwTropical, savannah(90 %)
Species observed
901
Observations
10 813
Area
3 575,4km²
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 Barinas : 17 espèces reliées par 30 interactions GloBI sur 3 types (connectance 10.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
30
Connectance
0.109
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
901 distinct species · 10 813 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 827mm
Warmest m°
32,8°C
Coldest m°
21,9°C
Elevation: 152 m on average (min 82 m, max 680 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 827mm
Warmest month
32,8°C
Coldest month
21,9°C
Mean alt.
152m
Min
82m
Max
680m
Std. dev.
85m
Köppen-Geiger (dominant)
AwTropical, savannah(90 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,7
Org. C
21,2g/kg
Clay
34,1%
Sand
25,6%
Silt
40,3%
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
5,7
Org. C
30,0g/kg
Clay
33,4%
Sand
26,1%
Silt
40,5%
5–15 cm
pH H₂O
5,7
Org. C
21,1g/kg
Clay
34,1%
Sand
25,5%
Silt
40,4%
15–30 cm
pH H₂O
5,7
Org. C
12,6g/kg
Clay
34,8%
Sand
25,1%
Silt
40,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest29.6%
Crops2.4%
Built-up0.6%
Bare soil0.1%
Other (grassland, water…)67.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 4 lakes · 23 rivers
Hydrology metrics for this exact territory
Stream length here
374,7km
Lake surface here
0,49km²
Basins crossed
14
Max stream order
5
Max drainage
41 277km²
Discharge in basins
351,1m³/s
Mean precip.
1 555mm/an
Mean T°
26,3°C
Moisture idx
-0,09
Mean runoff
615mm/an
Mean elev. (basins)
347m
Watersheds crossing here
- Bassin de Río Pagüeysub-area2 859,7 km²overlap1816.98 km²51%
- Bassin de Río Santo Domingosub-area495,1 km²overlap456.06 km²13%
- Bassin de Quebrada San Josésub-area903,7 km²overlap332.96 km²9%
- Bassin de Río Santo Domingosub-area328 km²overlap326.63 km²9%
- Bassin de Río Canaguásub-area2 244,2 km²overlap293.44 km²8%
- Bassin de Río Santo Domingosub-area114,8 km²overlap114.31 km²3%
- Bassin de Río Santo Domingosub-area130,4 km²overlap100.84 km²3%
- Bassin de Río Santo Domingosub-area714,1 km²overlap99.12 km²3%
- Bassin de Río Calderassub-area439,7 km²overlap30.08 km²1%
5 more basinssorted by overlap
Lakes (4, top by area)
Rivers / streams (23, ord ≥ 4)
- Río Santo Domingoord 5len here129.43 km46%total281 km
- Río Pagüeyord 4len here33.28 km36%total93 km
- Río Santo Domingo Viejoord 4len here25.46 km99%total26 km
- Río Caramucaord 2len here20.31 km93%total22 km
- Caño del Barroord 2len here18.87 km100%total19 km
- Caño Corozoord 4len here18.07 km31%total57 km
- Quebrada San Joséord 1len here16.22 km64%total25 km
- Río Canaguáord 3len here14.73 km6%total249 km
- Quebrada El Charalord 4len here13.55 km100%total14 km
- Quebrada La Vizcaínaord 2len here13.22 km100%total13 km
- Caño Morrocoyord 7len here13.04 km26%total49 km
- Río Calderasord 4len here11.98 km16%total74 km
11 more river segmentssorted by Strahler order + length
- Canal Santo Domingoord 1len here9.12 km100%total9 km
- Caño Madre Viejaord 3len here8.09 km100%total8 km
- Quebrada Parángulaord 1len here6.06 km100%total6 km
- Quebrada Arzobispoord 1len here4.75 km100%total5 km
- Caño Joséord 4len here3.98 km68%total6 km
- Caño Tigreord 3len here3.75 km9%total44 km
- Quebrada Mucusavicheord 2len here3.29 km32%total10 km
- Quebrada Secaord 1len here2.74 km100%total3 km
- Quebrada Agua Blancaord 4len here2.09 km5%total45 km
- Caño Agua Azulord 2len here1.95 km100%total2 km
- Río Mucusavicheord 4len here0.74 km2%total47 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,8nW
Built-up
61,1%
Pesticides
5,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN VI · 3IUCN V · 1
Cuencas de los Ríos Guanare - Boconó - Tucupido - Masparro - La Yuca
IUCN VIProtective Zone (ZP) · 1974
4 242 km²
Santo Domingo
IUCN VForest Area Under Protection (ABBP) · 1991
1 483 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