Ontologia

Municipality · BRA

Petrolina

Brazil

BShArid, steppe, hot(99 %)

Species observed

1 175

Observations

11 163

Area

4 561,9km²

Ecological tissue

Sample of 37 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 Petrolina : 27 espèces reliées par 47 interactions GloBI sur 5 types (connectance 7.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
47
Connectance
0.071
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

1 175 distinct species · 11 163 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 163 obs · 74 cellules
Obs. / cellule
≥ 2 872
363–2 871
72–362
19–71
< 19

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

Climate

Mean T°

26,6°C

Annual rain

503mm

Warmest m°

33,7°C

Coldest m°

19,2°C

Elevation: 419 m on average (min 355 m, max 554 m)

Bioclimatic detailsExpert
Annual mean temp.
26,6°C
Annual rain
503mm
Warmest month
33,7°C
Coldest month
19,2°C
Mean alt.
419m
Min
355m
Max
554m
Std. dev.
33m
Köppen-Geiger (dominant)
BShArid, steppe, hot(99 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,3

Org. C

7,7g/kg

Clay

22,4%

Sand

59,2%

Silt

18,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
9,5g/kg
Clay
19,7%
Sand
60,5%
Silt
19,8%
5–15 cm
pH H₂O
6,3
Org. C
7,4g/kg
Clay
19,9%
Sand
61,7%
Silt
18,5%
15–30 cm
pH H₂O
6,3
Org. C
6,3g/kg
Clay
27,6%
Sand
55,4%
Silt
17,0%

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

Land cover

Forest12.6%
Crops18.6%
Built-up0.4%
Bare soil1.6%
Other (grassland, water…)66.8%

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

Hydrology15 basins · 6 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

445,2km

Lake surface here

1,41km²

Basins crossed

15

Max stream order

7

Max drainage

531 696km²

Discharge in basins

2 484,9m³/s

Mean precip.

508mm/an

Mean T°

24,6°C

Moisture idx

-0,73

Mean runoff

91mm/an

Mean elev. (basins)

434m

Watersheds crossing here

6 more basins

Lakes (6, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,3nW

Built-up

43,7%

Pesticides

55,3kg/km²

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

Protected areas4

IUCN III · 2IUCN V · 1IUCN II · 1

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