Ontologia

Commune · PRT

Silveira

Portugal

CsbTemperate, dry summer, warm summer(100 %)

Species observed

390

Observations

1 713

Area

25km²

Ecological tissue

Sample of 42 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 Silveira : 31 espèces reliées par 112 interactions GloBI sur 5 types (connectance 13.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
112
Connectance
0.130
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

390 distinct species · 1 713 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 713 obs · 1 cellules
Obs. / cellule
≥ 1 713
1 713–1 712
1 713–1 712
1 713–1 712
< 1 713

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

Climate

Mean T°

15,8°C

Annual rain

722mm

Warmest m°

22,2°C

Coldest m°

10,0°C

Elevation: 38 m on average (min -15 m, max 78 m)

Bioclimatic detailsExpert
Annual mean temp.
15,8°C
Annual rain
722mm
Warmest month
22,2°C
Coldest month
10,0°C
Mean alt.
38m
Min
-15m
Max
78m
Std. dev.
19m
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

6,3

Org. C

30,4g/kg

Clay

19,3%

Sand

61,7%

Silt

19,0%

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

Dominant lithology: scGLiMaggregated to Torres Vedras

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
52,8g/kg
Clay
19,3%
Sand
61,4%
Silt
19,3%
5–15 cm
pH H₂O
6,3
Org. C
20,7g/kg
Clay
18,9%
Sand
61,6%
Silt
19,4%
15–30 cm
pH H₂O
6,4
Org. C
17,6g/kg
Clay
19,8%
Sand
61,9%
Silt
18,4%

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

Land cover

Forest8.5%
Crops15.2%
Built-up5.5%
Bare soil3.4%
Other (grassland, water…)67.4%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,1km

Basins crossed

1

Max stream order

3

Max drainage

2 612km²

Discharge in basins

0,0m³/s

Mean precip.

742mm/an

Mean T°

15,4°C

Moisture idx

-0,16

Max snow

1%

Mean runoff

328mm/an

Mean elev. (basins)

113m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

5,2nW

Built-up

548,1%

Pesticides

38,0kg/km²

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

Protected areas3

IUCN Not Reported · 3🌊 Marine · 3

Cabo Raso

IUCN Not Reported

Special Protection Area (Birds Directive) · 2015

1 334 km²

Sintra / Cascais

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

166 km²

Peniche / Stª Cruz

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

83 km²

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