Ontologia

State · bra

Maranhão

Brazil

AwTropical, savannah(93 %)

Species observed

8 741

Observations

156 831

Area

329 651,5km²

Ecological tissue

Sample of 29 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 Maranhão : 19 espèces reliées par 34 interactions GloBI sur 3 types (connectance 8.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
34
Connectance
0.084
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

8 741 distinct species · 156 831 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

156 831 obs · 154 cellules
Obs. / cellule
≥ 8 381
2 335–8 380
684–2 334
382–683
< 382

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,7°C

Annual rain

1 543mm

Warmest m°

33,5°C

Coldest m°

22,0°C

Elevation: 188 m on average (min -69 m, max 809 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
1 543mm
Warmest month
33,5°C
Coldest month
22,0°C
Mean alt.
188m
Min
-69m
Max
809m
Std. dev.
145m
Köppen-Geiger (dominant)
AwTropical, savannah(93 %)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

19,1g/kg

Clay

28,8%

Sand

47,8%

Silt

23,4%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
28,9g/kg
Clay
27,7%
Sand
48,5%
Silt
23,8%
5–15 cm
pH H₂O
5,2
Org. C
16,2g/kg
Clay
27,5%
Sand
48,9%
Silt
23,6%
15–30 cm
pH H₂O
5,2
Org. C
12,4g/kg
Clay
31,4%
Sand
45,8%
Silt
22,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest44.2%
Crops5.2%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)50.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology636 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

15 307,5km

Lake surface here

883,70km²

Basins crossed

636

Max stream order

8

Max drainage

695 260km²

Discharge in basins

76 680,7m³/s

Mean precip.

1 505mm/an

Mean T°

26,4°C

Moisture idx

-0,15

Mean runoff

514mm/an

Mean elev. (basins)

192m

Watersheds crossing here

627 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

11,6%

Pesticides

40,7kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas56

IUCN Not Reported · 17IUCN V · 13IUCN VI · 9IUCN II · 8IUCN IV · 6IUCN Ia · 1IUCN Not Applicable · 1IUCN III · 1🌊 Marine · 18📍 Point sites · 8
Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations200