Ontologia

Commune · PRT

Alfaião

Portugal

CsaTemperate, dry summer, hot summer(52 %)

Species observed

722

Observations

3 242

Area

17,6km²

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 Alfaião : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 14.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
79
Connectance
0.141
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

722 distinct species · 3 242 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 242 obs · 1 cellules
Obs. / cellule
≥ 3 242
3 242–3 241
3 242–3 241
3 242–3 241
< 3 242

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

Climate

Mean T°

13,4°C

Annual rain

980mm

Warmest m°

28,1°C

Coldest m°

1,5°C

Elevation: 582 m on average (min 538 m, max 764 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
980mm
Warmest month
28,1°C
Coldest month
1,5°C
Mean alt.
582m
Min
538m
Max
764m
Std. dev.
33m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(52 %)Temperate

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

Soil & lithology

pH H₂O

6,1

Org. C

33,7g/kg

Clay

18,8%

Sand

37,1%

Silt

44,2%

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

Dominant lithology: mtGLiMaggregated to Bragança

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
57,4g/kg
Clay
18,4%
Sand
37,0%
Silt
44,6%
5–15 cm
pH H₂O
6,1
Org. C
21,9g/kg
Clay
18,8%
Sand
36,8%
Silt
44,5%
15–30 cm
pH H₂O
6,1
Org. C
21,7g/kg
Clay
19,1%
Sand
37,4%
Silt
43,5%

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

Land cover

Forest13.3%
Crops9.5%
Built-up0.2%
Bare soil7.4%
Other (grassland, water…)69.5%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

9,9km

Basins crossed

3

Max stream order

3

Max drainage

929km²

Discharge in basins

0,2m³/s

Mean precip.

785mm/an

Mean T°

11,3°C

Moisture idx

-0,21

Max snow

3%

Mean runoff

400mm/an

Mean elev. (basins)

785m

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

21,8%

Pesticides

38,2kg/km²

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

Protected areas2

IUCN Not Reported · 2

Rios Sabor e Maçãs

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

333 km²

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