Rio Negro
IUCN IbWetland of International Importance (Ramsar Site) · 2018
119 481 km²
Municipality · BRA
Iranduba
Brazil
AfTropical, rainforest(96 %)
Species observed
2 695
Observations
82 210
Area
2 216,8km²
Ecological tissue
Sample of 19 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 Iranduba : 12 espèces reliées par 18 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
20
Interactions affichées
18
Connectance
0.095
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
2 695 distinct species · 82 210 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
2 707mm
Warmest m°
30,4°C
Coldest m°
23,7°C
Elevation: 40 m on average (min 11 m, max 75 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
2 707mm
Warmest month
30,4°C
Coldest month
23,7°C
Mean alt.
40m
Min
11m
Max
75m
Std. dev.
17m
Köppen-Geiger (dominant)
AfTropical, rainforest(96 %)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
21,2g/kg
Clay
35,7%
Sand
32,8%
Silt
31,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,2
Org. C
32,3g/kg
Clay
33,9%
Sand
33,8%
Silt
32,3%
5–15 cm
pH H₂O
4,3
Org. C
17,5g/kg
Clay
34,4%
Sand
33,7%
Silt
31,9%
15–30 cm
pH H₂O
4,3
Org. C
13,8g/kg
Clay
38,7%
Sand
31,1%
Silt
30,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest76.8%
Crops0.2%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)22.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 21 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
246,1km
Lake surface here
11,00km²
Basins crossed
12
Max stream order
9
Max drainage
2 931 448km²
Discharge in basins
92 009,3m³/s
Mean precip.
2 400mm/an
Mean T°
27,3°C
Moisture idx
0,32
Mean runoff
1 202mm/an
Mean elev. (basins)
40m
Watersheds crossing here
- Bassin de Paraná Autaz-Mirimsub-area2 152,5 km²overlap654.45 km²30%
- Bassin de Igarapé Tumbirasub-area718,7 km²overlap501.25 km²23%
- Bassin de Igarapé Acajitubasub-area687,9 km²overlap345.38 km²16%
- Bassin de Río Negrosub-area481,4 km²overlap320.47 km²14%
- Bassin de Río Negrosub-area265,3 km²overlap136.30 km²6%
- Bassin de Río Negrosub-area201,6 km²overlap115.38 km²5%
- Bassin de igarapé da Cachoreirasub-area108,9 km²overlap97.60 km²4%
- Bassin de Río Negrosub-area113,6 km²overlap35.46 km²2%
- Basin #83490sub-area3 287,4 km²overlap7.62 km²0%
Lakes (21, top by area)
- Lago Janauariarea2 km²avg depth4.4 m
- Lake #18087area1,6 km²avg depth3.2 m
- Lake #18020area1,5 km²avg depth1.8 m
- Lake #18048area1,1 km²avg depth3.8 m
- Lac 1083616area0,8 km²avg depth4.5 m
- Lac 1083499area0,7 km²avg depth3.3 m
- Lac 1083470area0,6 km²avg depth1.8 m
- Lac 1083613area0,5 km²avg depth2.3 m
- Lac 1083234area0,5 km²avg depth2.8 m
12 more lakes
- Lac 1083121area0,3 km²avg depth3.0 m
- Lac 1083550area0,3 km²avg depth2.3 m
- Lac 1083086area0,3 km²avg depth3.4 m
- Lac 1083638area0,2 km²avg depth2.6 m
- Lac 1083444area0,2 km²avg depth1.7 m
- Lac 1083526area0,2 km²avg depth2.6 m
- Lac 1083639area0,2 km²avg depth2.3 m
- Lac 1083461area0,2 km²avg depth3.6 m
- Lac 1083621area0,2 km²avg depth2.6 m
- Lac 1083484area0,1 km²avg depth2.5 m
- Lac 1083479area0,1 km²avg depth3.1 m
- Lac 1083509area0,1 km²avg depth3.4 m
Rivers / streams (11, ord ≥ 4)
- Igarapé Acajitubaord 4len here77.16 km77%total100 km
- Igarapé Tumbiraord 9len here42.16 km91%total47 km
- Igarapé Sucurijuord 2len here28.48 km100%total29 km
- igarapé Camaráord 2len here24.03 km100%total24 km
- igarapé da Cachoreiraord 9len here20.73 km90%total23 km
- Igarapé da Cabeceiraord 2len here15.53 km100%total16 km
- Lago do Caldeirãoord 2len here9.41 km100%total9 km
- Río Negroord 9len here8.94 km0%total4118 km
- igarapé Curuçáord 1len here8.22 km100%total8 km
- Rio Ariauord 9len here5.97 km21%total28 km
- igarapé Tumbiraord 2len here5.48 km100%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
13,6%
Pesticides
50,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN II · 2IUCN Ib · 1IUCN Not Applicable · 1IUCN V · 1IUCN VI · 1
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2000
50 971 km²
Área De Proteção Ambiental Margem Direita Do Rio Negro- Setor Paduari-Solimões
IUCN VEnvironmental Protection Area · 1995
4 617 km²
Parque Nacional De Anavilhanas
IUCN IIPark · 1981
3 502 km²
Anavilhanas National Park
IUCN IIWetland of International Importance (Ramsar Site) · 2017
3 502 km²
Reserva De Desenvolvimento Sustentável Do Rio Negro
IUCN VISustainable Development Reserve · 2008
1 030 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN