Ontologia

Commune · PRT

Perre

Portugal

CsbTemperate, dry summer, warm summer(100 %)

Species observed

275

Observations

714

Area

13,1km²

Ecological tissue

Sample of 44 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 Perre : 37 espèces reliées par 88 interactions GloBI sur 6 types (connectance 9.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
88
Connectance
0.093
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

275 distinct species · 714 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

714 obs · 1 cellules
Obs. / cellule
≥ 714
714–713
714–713
714–713
< 714

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

Climate

Mean T°

14,2°C

Annual rain

1 949mm

Warmest m°

22,9°C

Coldest m°

6,2°C

Elevation: 156 m on average (min 16 m, max 359 m)

Bioclimatic detailsExpert
Annual mean temp.
14,2°C
Annual rain
1 949mm
Warmest month
22,9°C
Coldest month
6,2°C
Mean alt.
156m
Min
16m
Max
359m
Std. dev.
106m
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

5,4

Org. C

62,0g/kg

Clay

14,3%

Sand

56,2%

Silt

29,5%

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

Dominant lithology: wbGLiMaggregated to Viana do Castelo

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
78,3g/kg
Clay
13,2%
Sand
56,8%
Silt
30,1%
5–15 cm
pH H₂O
5,4
Org. C
57,7g/kg
Clay
12,6%
Sand
57,2%
Silt
30,3%
15–30 cm
pH H₂O
5,4
Org. C
50,1g/kg
Clay
17,2%
Sand
54,6%
Silt
28,3%

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

Land cover

Forest26.7%
Crops4.4%
Built-up2.2%
Bare soil3.4%
Other (grassland, water…)63.3%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,7km

Basins crossed

2

Max stream order

2

Max drainage

2 469km²

Discharge in basins

0,4m³/s

Mean precip.

1 369mm/an

Mean T°

13,8°C

Moisture idx

0,37

Max snow

3%

Mean runoff

1 077mm/an

Mean elev. (basins)

182m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,8nW

Built-up

224,3%

Pesticides

38,5kg/km²

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