Ontologia

Commune · PRT

Alhadas

Portugal

CsbTemperate, dry summer, warm summer(100 %)

Species observed

291

Observations

1 270

Area

28,9km²

Ecological tissue

Sample of 43 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 Alhadas : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 6 types (connectance 10.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
98
Connectance
0.108
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

291 distinct species · 1 270 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 270 obs · 1 cellules
Obs. / cellule
≥ 1 270
1 270–1 269
1 270–1 269
1 270–1 269
< 1 270

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

Climate

Mean T°

15,3°C

Annual rain

1 000mm

Warmest m°

24,1°C

Coldest m°

7,5°C

Elevation: 69 m on average (min 16 m, max 124 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
1 000mm
Warmest month
24,1°C
Coldest month
7,5°C
Mean alt.
69m
Min
16m
Max
124m
Std. dev.
26m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

31,9g/kg

Clay

20,2%

Sand

56,7%

Silt

23,1%

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

Dominant lithology: ssGLiMaggregated to Figueira da Foz

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
53,8g/kg
Clay
20,5%
Sand
56,8%
Silt
22,7%
5–15 cm
pH H₂O
6,4
Org. C
21,0g/kg
Clay
19,4%
Sand
57,7%
Silt
23,0%
15–30 cm
pH H₂O
6,4
Org. C
21,0g/kg
Clay
20,7%
Sand
55,6%
Silt
23,7%

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

Land cover

Forest34.1%
Crops5.3%
Built-up1.8%
Bare soil2.5%
Other (grassland, water…)56.3%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,5km

Basins crossed

3

Max stream order

1

Max drainage

6 656km²

Discharge in basins

4,4m³/s

Mean precip.

942mm/an

Mean T°

15,5°C

Moisture idx

-0,08

Max snow

2%

Mean runoff

538mm/an

Mean elev. (basins)

86m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

1,4nW

Built-up

179,8%

Pesticides

41,2kg/km²

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