Ontologia

Municipality · BRA

Grajaú

Brazil

AwTropical, savannah(100 %)

Species observed

345

Observations

836

Area

8 861,7km²

Ecological tissue

Sample of 17 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 Grajaú : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 2 types (connectance 8.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
12
Connectance
0.088
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

345 distinct species · 836 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

836 obs · 44 cellules
Obs. / cellule
≥ 282
31–281
12–30
7–11
< 7

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

Climate

Mean T°

26,4°C

Annual rain

1 221mm

Warmest m°

33,0°C

Coldest m°

21,5°C

Elevation: 241 m on average (min 100 m, max 429 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 221mm
Warmest month
33,0°C
Coldest month
21,5°C
Mean alt.
241m
Min
100m
Max
429m
Std. dev.
54m
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

15,8g/kg

Clay

22,5%

Sand

60,8%

Silt

16,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
21,6g/kg
Clay
20,3%
Sand
62,7%
Silt
17,0%
5–15 cm
pH H₂O
5,3
Org. C
15,1g/kg
Clay
21,4%
Sand
61,8%
Silt
16,8%
15–30 cm
pH H₂O
5,3
Org. C
10,8g/kg
Clay
25,9%
Sand
58,1%
Silt
16,1%

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

Land cover

Forest47.8%
Crops5.3%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)46.8%

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

Hydrology30 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

514,4km

Lake surface here

0,57km²

Basins crossed

30

Max stream order

5

Max drainage

10 937km²

Discharge in basins

745,0m³/s

Mean precip.

1 201mm/an

Mean T°

25,9°C

Moisture idx

-0,36

Mean runoff

374mm/an

Mean elev. (basins)

250m

Watersheds crossing here

21 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

5,8%

Pesticides

44,9kg/km²

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

Protected areas7

IUCN Not Reported · 7

Arariboia

IUCN Not Reported

Indigenous Area · 1996

4 138 km²

Bacurizinho

IUCN Not Reported

Indigenous Area · 2008

1 341 km²

Bacurizinho

IUCN Not Reported

Indigenous Area · 1984

827 km²

Porquinhos

IUCN Not Reported

Indigenous Area · 1984

794 km²

Urucu/Juruá

IUCN Not Reported

Indigenous Area · 1996

128 km²

Complete list

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