Ontologia

Municipality · VEN

Río Negro

Venezuela

AfTropical, rainforest(99 %)

Species observed

6 037

Observations

34 137

Area

37 161,5km²

Ecological tissue

Sample of 21 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 Río Negro : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 2 types (connectance 8.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
17
Connectance
0.081
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

6 037 distinct species · 34 137 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

34 137 obs · 292 cellules
Obs. / cellule
≥ 1 551
187–1 550
41–186
12–40
< 12

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

24,3°C

Annual rain

3 012mm

Warmest m°

29,1°C

Coldest m°

20,5°C

Elevation: 319 m on average (min 78 m, max 2 363 m)

Bioclimatic detailsExpert
Annual mean temp.
24,3°C
Annual rain
3 012mm
Warmest month
29,1°C
Coldest month
20,5°C
Mean alt.
319m
Min
78m
Max
2 363m
Std. dev.
285m
Köppen-Geiger (dominant)
AfTropical, rainforest(99 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

4,2

Org. C

34,9g/kg

Clay

26,7%

Sand

49,8%

Silt

23,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,2
Org. C
53,6g/kg
Clay
25,5%
Sand
50,4%
Silt
24,1%
5–15 cm
pH H₂O
4,2
Org. C
31,5g/kg
Clay
25,9%
Sand
50,5%
Silt
23,6%
15–30 cm
pH H₂O
4,3
Org. C
19,6g/kg
Clay
28,5%
Sand
48,6%
Silt
22,9%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest97.9%
Crops0.0%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)2.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology61 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

1 034,0km

Lake surface here

0,40km²

Basins crossed

61

Max stream order

8

Max drainage

76 450km²

Discharge in basins

16 487,5m³/s

Mean precip.

2 928mm/an

Mean T°

25,6°C

Moisture idx

0,39

Mean runoff

1 825mm/an

Mean elev. (basins)

324m

Watersheds crossing here

52 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

0,0%

Pesticides

12,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas12

IUCN II · 4IUCN III · 4IUCN VI · 2IUCN Not Reported · 1IUCN Not Applicable · 1

Yanomami

IUCN Not Reported

Indigenous Area · 2009

95 631 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN