Ontologia

Municipality · BRA

Viseu

Brazil

AmTropical, monsoon(98 %)

Species observed

863

Observations

3 142

Area

4 972,9km²

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 Viseu : 21 espèces reliées par 38 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
38
Connectance
0.087
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

863 distinct species · 3 142 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 142 obs · 58 cellules
Obs. / cellule
≥ 603
149–602
24–148
7–23
< 7

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

Climate

Mean T°

26,3°C

Annual rain

2 333mm

Warmest m°

31,8°C

Coldest m°

22,5°C

Elevation: 31 m on average (min -68 m, max 88 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
2 333mm
Warmest month
31,8°C
Coldest month
22,5°C
Mean alt.
31m
Min
-68m
Max
88m
Std. dev.
19m
Köppen-Geiger (dominant)
AmTropical, monsoon(98 %)Tropical

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

Soil & lithology

pH H₂O

4,9

Org. C

24,9g/kg

Clay

36,3%

Sand

36,0%

Silt

27,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
37,7g/kg
Clay
36,9%
Sand
35,1%
Silt
28,0%
5–15 cm
pH H₂O
4,9
Org. C
20,4g/kg
Clay
36,1%
Sand
36,4%
Silt
27,5%
15–30 cm
pH H₂O
4,9
Org. C
16,6g/kg
Clay
35,8%
Sand
36,6%
Silt
27,6%

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

Land cover

Forest61.9%
Crops0.2%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)37.7%

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

Hydrology15 basins · 7 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

371,5km

Lake surface here

1,60km²

Basins crossed

15

Max stream order

6

Max drainage

34 830km²

Discharge in basins

870,2m³/s

Mean precip.

2 210mm/an

Mean T°

26,4°C

Moisture idx

0,26

Mean runoff

1 309mm/an

Mean elev. (basins)

39m

Watersheds crossing here

6 more basins

Lakes (7, 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

5,3%

Pesticides

46,3kg/km²

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

Protected areas6

IUCN V · 2IUCN VI · 2IUCN II · 1IUCN Not Reported · 1🌊 Marine · 5

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