Amazon Estuary and its Mangroves
IUCN IIWetland of International Importance (Ramsar Site) · 2018
38 049 km²
Municipality · BRA
Brazil
Species observed
255
Observations
1 388
Area
1 582,8km²
Sample of 37 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).
Tissu écologique de Santo Amaro do Maranhão : 30 espèces reliées par 45 interactions GloBI sur 2 types (connectance 6.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
255 distinct species · 1 388 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
26,8°C
Annual rain
1 671mm
Warmest m°
30,8°C
Coldest m°
23,8°C
Elevation: 27 m on average (min -17 m, max 77 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,4
Org. C
24,2g/kg
Clay
36,0%
Sand
35,6%
Silt
28,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
287,6km
Lake surface here
18,86km²
Basins crossed
5
Max stream order
4
Max drainage
1 673km²
Discharge in basins
39,3m³/s
Mean precip.
1 649mm/an
Mean T°
27,1°C
Moisture idx
0,01
Mean runoff
974mm/an
Mean elev. (basins)
33m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,1nW
Built-up
7,0%
Pesticides
63,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 2018
38 049 km²
Environmental Protection Area · 1992
15 587 km²
World Heritage Site (natural or mixed) · 2024
1 572 km²
Park · 1981
1 572 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN