Ontologia

Commune · PRT

Valdreu

Portugal

CsbTemperate, dry summer, warm summer(100 %)

Species observed

271

Observations

850

Area

18km²

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 Valdreu : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 4 types (connectance 16.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
90
Connectance
0.160
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

271 distinct species · 850 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

850 obs · 1 cellules
Obs. / cellule
≥ 850
850–849
850–849
850–849
< 850

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

Climate

Mean T°

13,0°C

Annual rain

2 442mm

Warmest m°

25,3°C

Coldest m°

2,5°C

Elevation: 468 m on average (min 192 m, max 696 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
2 442mm
Warmest month
25,3°C
Coldest month
2,5°C
Mean alt.
468m
Min
192m
Max
696m
Std. dev.
173m
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

5,2

Org. C

58,6g/kg

Clay

14,4%

Sand

59,3%

Silt

26,4%

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

Dominant lithology: paGLiMaggregated to Vila Verde

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
91,4g/kg
Clay
13,6%
Sand
59,7%
Silt
26,7%
5–15 cm
pH H₂O
5,2
Org. C
48,9g/kg
Clay
12,7%
Sand
60,4%
Silt
27,0%
15–30 cm
pH H₂O
5,2
Org. C
35,4g/kg
Clay
16,8%
Sand
57,7%
Silt
25,5%

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

Land cover

Forest29.7%
Crops4.8%
Built-up0.4%
Bare soil2.3%
Other (grassland, water…)62.9%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,7km

Basins crossed

2

Max stream order

3

Max drainage

2 469km²

Discharge in basins

0,6m³/s

Mean precip.

1 342mm/an

Mean T°

12,3°C

Moisture idx

0,31

Max snow

2%

Mean runoff

966mm/an

Mean elev. (basins)

560m

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

Human pressure

Pop. density

0hab/km²

Night light

1,4nW

Built-up

38,5%

Pesticides

5,6kg/km²

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

Protected areas1

IUCN Not Reported · 1

Peneda / Gerês

IUCN Not Reported

Site of Community Importance (Habitats Directive)

896 km²

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