Ontologia

Municipality · PRT

Viana do Castelo

Portugal

CsbTemperate, dry summer, warm summer(100 %)

Species observed

2 768

Observations

40 979

Area

318,4km²

Ecological tissue

Sample of 45 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 Viana do Castelo : 36 espèces reliées par 87 interactions GloBI sur 6 types (connectance 8.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
87
Connectance
0.088
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

2 768 distinct species · 40 979 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

40 979 obs · 8 cellules
Obs. / cellule
≥ 20 542
20 542–20 541
3 936–20 541
3 670–3 935
< 3 670

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

Climate

Mean T°

14,3°C

Annual rain

1 816mm

Warmest m°

23,4°C

Coldest m°

6,0°C

Elevation: 144 m on average (min -10 m, max 750 m)

Bioclimatic detailsExpert
Annual mean temp.
14,3°C
Annual rain
1 816mm
Warmest month
23,4°C
Coldest month
6,0°C
Mean alt.
144m
Min
-10m
Max
750m
Std. dev.
154m
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

61,2g/kg

Clay

15,5%

Sand

54,4%

Silt

30,1%

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

Dominant lithology: wbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
87,0g/kg
Clay
14,9%
Sand
54,8%
Silt
30,3%
5–15 cm
pH H₂O
5,4
Org. C
53,0g/kg
Clay
13,9%
Sand
55,4%
Silt
30,7%
15–30 cm
pH H₂O
5,4
Org. C
43,7g/kg
Clay
17,7%
Sand
53,0%
Silt
29,3%

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

Land cover

Forest28.4%
Crops5.8%
Built-up2.9%
Bare soil3.3%
Other (grassland, water…)59.5%

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

Hydrology4 basins · 0 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

81,6km

Basins crossed

4

Max stream order

4

Max drainage

2 469km²

Discharge in basins

7,5m³/s

Mean precip.

1 345mm/an

Mean T°

13,2°C

Moisture idx

0,33

Max snow

4%

Mean runoff

1 016mm/an

Mean elev. (basins)

330m

Watersheds crossing here

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

4,6nW

Built-up

292,4%

Pesticides

34,3kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN V · 1🌊 Marine · 3

Rio Lima

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2004

54 km²

Serra D'Arga

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2004

45 km²

Litoral Norte

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2004

28 km²

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

Sub-administrations37