Ontologia

Municipality · BRA

Porto Alegre

Brazil

CfaTemperate, no dry season, hot summer(100 %)

Species observed

4 117

Observations

129 444

Area

495,4km²

Ecological tissue

Sample of 32 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 Porto Alegre : 22 espèces reliées par 45 interactions GloBI sur 5 types (connectance 8.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
45
Connectance
0.080
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

4 117 distinct species · 129 444 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

129 444 obs · 14 cellules
Obs. / cellule
≥ 42 410
35 273–42 409
6 396–35 272
5 001–6 395
< 5 001

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

Climate

Mean T°

19,6°C

Annual rain

1 455mm

Warmest m°

29,0°C

Coldest m°

10,3°C

Elevation: 41 m on average (min -4 m, max 231 m)

Bioclimatic detailsExpert
Annual mean temp.
19,6°C
Annual rain
1 455mm
Warmest month
29,0°C
Coldest month
10,3°C
Mean alt.
41m
Min
-4m
Max
231m
Std. dev.
46m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,1

Org. C

42,4g/kg

Clay

28,0%

Sand

46,5%

Silt

25,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
66,9g/kg
Clay
27,3%
Sand
46,3%
Silt
26,4%
5–15 cm
pH H₂O
5,1
Org. C
34,6g/kg
Clay
27,2%
Sand
47,7%
Silt
25,1%
15–30 cm
pH H₂O
5,2
Org. C
25,6g/kg
Clay
29,5%
Sand
45,6%
Silt
24,9%

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

Land cover

Forest27.0%
Crops1.6%
Built-up10.9%
Bare soil0.6%
Other (grassland, water…)60.0%

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

Hydrology8 basins · 1 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

114,1km

Lake surface here

0,11km²

Basins crossed

8

Max stream order

7

Max drainage

71 808km²

Discharge in basins

275,2m³/s

Mean precip.

1 458mm/an

Mean T°

19,1°C

Moisture idx

0,14

Mean runoff

641mm/an

Mean elev. (basins)

37m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

22hab/km²

Night light

19,5nW

Built-up

1 086,2%

Pesticides

29,6kg/km²

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

Protected areas9

IUCN IV · 3IUCN V · 2IUCN II · 2IUCN Not Reported · 1IUCN Ia · 1🌊 Marine · 3

Cantagalo

IUCN Not Reported

Indigenous Area · 2007

3 km²

Complete list

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