Ontologia

Municipality · BRA

Arraias

Brazil

AwTropical, savannah(100 %)

Species observed

1 254

Observations

9 182

Area

5 803,1km²

Ecological tissue

Sample of 33 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 Arraias : 25 espèces reliées par 41 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
41
Connectance
0.078
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

1 254 distinct species · 9 182 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 182 obs · 83 cellules
Obs. / cellule
≥ 2 265
193–2 264
52–192
19–51
< 19

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,8°C

Annual rain

1 450mm

Warmest m°

33,4°C

Coldest m°

19,6°C

Elevation: 480 m on average (min 317 m, max 960 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
1 450mm
Warmest month
33,4°C
Coldest month
19,6°C
Mean alt.
480m
Min
317m
Max
960m
Std. dev.
131m
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

5,9

Org. C

16,7g/kg

Clay

30,8%

Sand

39,0%

Silt

30,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
21,6g/kg
Clay
29,2%
Sand
40,0%
Silt
30,8%
5–15 cm
pH H₂O
5,9
Org. C
17,3g/kg
Clay
30,6%
Sand
39,2%
Silt
30,2%
15–30 cm
pH H₂O
5,9
Org. C
11,2g/kg
Clay
32,6%
Sand
37,8%
Silt
29,5%

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

Land cover

Forest28.2%
Crops22.6%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)49.0%

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

Hydrology13 basins · 1 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

456,5km

Lake surface here

0,31km²

Basins crossed

13

Max stream order

6

Max drainage

36 715km²

Discharge in basins

323,5m³/s

Mean precip.

1 509mm/an

Mean T°

25,6°C

Moisture idx

-0,15

Mean runoff

497mm/an

Mean elev. (basins)

478m

Watersheds crossing here

4 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,8%

Pesticides

9,9kg/km²

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

Protected areas1

IUCN VI · 1

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