Amazon Estuary and its Mangroves
IUCN IIWetland of International Importance (Ramsar Site) · 2018
38 049 km²
Municipality · BRA
Igarapé-Açu
Brazil
AmTropical, monsoon(99 %)
Species observed
315
Observations
667
Area
786km²
Ecological tissue
Sample of 36 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 Igarapé-Açu : 33 espèces reliées par 29 interactions GloBI sur 4 types (connectance 4.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
29
Connectance
0.046
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
315 distinct species · 667 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,4°C
Annual rain
2 546mm
Warmest m°
32,7°C
Coldest m°
22,3°C
Elevation: 35 m on average (min 4 m, max 56 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,4°C
Annual rain
2 546mm
Warmest month
32,7°C
Coldest month
22,3°C
Mean alt.
35m
Min
4m
Max
56m
Std. dev.
10m
Köppen-Geiger (dominant)
AmTropical, monsoon(99 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,9
Org. C
22,2g/kg
Clay
37,8%
Sand
40,5%
Silt
21,7%
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
4,9
Org. C
34,9g/kg
Clay
38,6%
Sand
39,6%
Silt
21,8%
5–15 cm
pH H₂O
4,9
Org. C
17,0g/kg
Clay
38,7%
Sand
39,9%
Silt
21,3%
15–30 cm
pH H₂O
4,9
Org. C
14,6g/kg
Clay
36,0%
Sand
41,9%
Silt
22,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest52.8%
Crops0.4%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)46.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
116,3km
Basins crossed
4
Max stream order
6
Max drainage
2 909km²
Discharge in basins
52,3m³/s
Mean precip.
2 531mm/an
Mean T°
26,4°C
Moisture idx
0,35
Mean runoff
1 612mm/an
Mean elev. (basins)
35m
Watersheds crossing here
Rivers / streams (15, ord ≥ 4)
- Rio Maracanãord 6len here52.54 km32%total163 km
- Igarapé Açuord 2len here17.12 km62%total28 km
- Igarapé Jambu-Açuord 3len here13.19 km43%total31 km
- Igarapé Pajuraord 3len here10.67 km100%total11 km
- Igarapé Abacateord 1len here4.89 km98%total5 km
- Igarapé Pratinhaord 1len here4.75 km100%total5 km
- Igarapé Pau Cheirosoord 1len here4.14 km100%total4 km
- Igarapé Cajueiroord 1len here3.85 km100%total4 km
- Igarapé das Panelasord 3len here2.03 km14%total14 km
- Igarapé Pau-Amareloord 5len here0.91 km8%total12 km
- Igarapé Santo Antônioord 3len here0.75 km8%total10 km
- Igarapé São Joaquimord 1len here0.69 km100%total1 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
24,3%
Pesticides
61,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN VI · 2IUCN II · 1🌊 Marine · 3
Reserva Extrativista Maracanã
IUCN VIExtractive Reserve · 2002
302 km²
Reserva Extrativista Chocoaré-Mato Grosso
IUCN VIExtractive Reserve · 2002
46 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN