Área De Proteção Ambiental Da Baixada Maranhense
IUCN VEnvironmental Protection Area · 1991
17 283 km²
Municipality · BRA
Arari
Brazil
AwTropical, savannah(100 %)
Species observed
439
Observations
5 096
Area
1 100,3km²
Ecological tissue
Sample of 26 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 Arari : 16 espèces reliées par 31 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
31
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
439 distinct species · 5 096 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,7°C
Annual rain
1 817mm
Warmest m°
34,3°C
Coldest m°
23,5°C
Elevation: 9 m on average (min 1 m, max 51 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,7°C
Annual rain
1 817mm
Warmest month
34,3°C
Coldest month
23,5°C
Mean alt.
9m
Min
1m
Max
51m
Std. dev.
6m
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
5,2
Org. C
33,1g/kg
Clay
33,3%
Sand
25,6%
Silt
41,1%
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
5,2
Org. C
52,0g/kg
Clay
32,6%
Sand
25,4%
Silt
42,0%
5–15 cm
pH H₂O
5,2
Org. C
24,9g/kg
Clay
31,4%
Sand
26,9%
Silt
41,7%
15–30 cm
pH H₂O
5,2
Org. C
22,3g/kg
Clay
35,8%
Sand
24,4%
Silt
39,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.7%
Crops0.8%
Built-up0.2%
Bare soil0.6%
Other (grassland, water…)70.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 31 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
116,6km
Lake surface here
27,48km²
Basins crossed
12
Max stream order
6
Max drainage
55 843km²
Discharge in basins
722,1m³/s
Mean precip.
1 642mm/an
Mean T°
27,4°C
Moisture idx
-0,05
Mean runoff
744mm/an
Mean elev. (basins)
13m
Watersheds crossing here
- Bassin de Rio Mearimsub-area1 046,9 km²overlap507.43 km²46%
- Bassin de Rio Mearimsub-area211,9 km²overlap184.59 km²17%
- Basin #09270sub-area405,3 km²overlap135.14 km²12%
- Bassin de Rio Mearimsub-area152,1 km²overlap109.85 km²10%
- Bassin de Rio Mearimsub-area351,1 km²overlap54.92 km²5%
- Bassin de Rio Pindarésub-area309 km²overlap32.88 km²3%
- Basin #09260sub-area30,3 km²overlap30.19 km²3%
- Bassin de Rio Mearimsub-area34,3 km²overlap18.63 km²2%
- Basin #09230sub-area11,4 km²overlap11.32 km²1%
Lakes (31, top by area)
- Lake #18304area4,6 km²avg depth1.2 m
- Lago Palmeiralarea3 km²avg depth1.0 m
- Lake #18296area2,8 km²avg depth1.5 m
- Lake #18348area2,7 km²avg depth1.4 m
- Lake #18352area1,8 km²avg depth0.9 m
- Lake #18276area1,6 km²avg depth1.3 m
- Lake #18290area1,5 km²avg depth0.9 m
- Lago do Santo Antônioarea1,4 km²avg depth0.5 m
- Lake #18325area1,4 km²avg depth0.7 m
22 more lakes
- Lac 1084487area0,8 km²avg depth1.8 m
- Lac 1084972area0,6 km²avg depth1.5 m
- Lac 1084842area0,6 km²avg depth1.6 m
- Lac 1084726area0,6 km²avg depth1.3 m
- Lac 1084720area0,6 km²avg depth1.6 m
- Lac 1084599area0,4 km²avg depth2.0 m
- Lac 1084532area0,4 km²avg depth1.7 m
- Lac 1084664area0,4 km²avg depth1.2 m
- Lac 1084215area0,4 km²avg depth1.0 m
- Lac 1084209area0,3 km²avg depth1.0 m
- Lac 1084852area0,3 km²avg depth1.1 m
- Lac 1084568area0,3 km²avg depth1.2 m
- Lac 1084885area0,3 km²avg depth0.9 m
- Lac 1084917area0,2 km²avg depth1.0 m
- Lac 1084657area0,2 km²avg depth1.2 m
- Lac 1083746area0,2 km²avg depth1.1 m
- Lac 1084485area0,2 km²avg depth1.7 m
- Lac 1084878area0,2 km²avg depth1.3 m
- Lac 1084396area0,2 km²avg depth2.1 m
- Lac 1084762area0,2 km²avg depth1.7 m
- Lac 1084763area0,2 km²avg depth0.8 m
- Lac 1084734area0,1 km²avg depth1.3 m
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
18,0%
Pesticides
51,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 2🌊 Marine · 2
Baixada Maranhense Environmental Protection Area
IUCN VWetland of International Importance (Ramsar Site) · 2000
17 283 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN