Amazon Estuary and its Mangroves
IUCN IIWetland of International Importance (Ramsar Site) · 2018
38 049 km²
Municipality · BRA
Tutóia
Brazil
AwTropical, savannah(100 %)
Species observed
268
Observations
510
Area
1 566,1km²
Ecological tissue
Sample of 42 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 Tutóia : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 6 types (connectance 4.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
36
Connectance
0.042
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
268 distinct species · 510 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,2°C
Annual rain
1 461mm
Warmest m°
32,8°C
Coldest m°
23,9°C
Elevation: 46 m on average (min -8 m, max 107 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,2°C
Annual rain
1 461mm
Warmest month
32,8°C
Coldest month
23,9°C
Mean alt.
46m
Min
-8m
Max
107m
Std. dev.
29m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,3
Org. C
20,1g/kg
Clay
29,7%
Sand
46,3%
Silt
24,0%
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
5,4
Org. C
31,4g/kg
Clay
29,3%
Sand
46,8%
Silt
23,8%
5–15 cm
pH H₂O
5,3
Org. C
15,3g/kg
Clay
29,6%
Sand
46,1%
Silt
24,3%
15–30 cm
pH H₂O
5,3
Org. C
13,7g/kg
Clay
30,2%
Sand
45,9%
Silt
23,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest32.3%
Crops2.0%
Built-up0.2%
Bare soil0.8%
Other (grassland, water…)64.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
199,8km
Basins crossed
3
Max stream order
4
Max drainage
332 987km²
Discharge in basins
25,0m³/s
Mean precip.
1 445mm/an
Mean T°
27,2°C
Moisture idx
-0,16
Mean runoff
759mm/an
Mean elev. (basins)
38m
Watersheds crossing here
Rivers / streams (12, ord ≥ 4)
- Rio Barro Duroord 4len here78.82 km91%total86 km
- Riacho Passagem Fundaord 2len here39.15 km100%total39 km
- Baixa da Oiticicaord 4len here19.19 km100%total19 km
- Rio Bom Gostoord 2len here18.26 km100%total18 km
- Baixa Fundaord 1len here12.51 km100%total13 km
- Rio Cangatãord 2len here8.96 km100%total9 km
- Riacho do Mamuiord 2len here6.96 km100%total7 km
- Riacho do Coroatáord 2len here4.41 km100%total4 km
- Riacho da Mutambaord 3len here4.26 km100%total4 km
- Rio Cangatãord 1len here3.19 km100%total3 km
- Rio Maguord 3len here2.24 km2%total139 km
- Riacho da Grotaord 3len here1.88 km54%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
22,4%
Pesticides
64,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 2IUCN II · 1🌊 Marine · 3
Área De Proteção Ambiental Delta Do Parnaiba
IUCN VEnvironmental Protection Area · 1996
3 096 km²
Área De Proteção Ambiental Da Foz Do Rio Das Preguiças - Pequenos Lençóis - Região Lagunar Adjacente
IUCN VEnvironmental Protection Area · 1991
2 061 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN