Alvão / Marão
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
588 km²
Commune · PRT
Folhadela
Portugal
CsbTemperate, dry summer, warm summer(96 %)
Species observed
988
Observations
20 875
Area
16,1km²
Ecological tissue
Sample of 38 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 Folhadela : 25 espèces reliées par 107 interactions GloBI sur 6 types (connectance 14.4%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
107
Connectance
0.144
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
988 distinct species · 20 875 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
910mm
Warmest m°
27,1°C
Coldest m°
2,1°C
Elevation: 455 m on average (min 266 m, max 562 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,4°C
Annual rain
910mm
Warmest month
27,1°C
Coldest month
2,1°C
Mean alt.
455m
Min
266m
Max
562m
Std. dev.
74m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(96 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,5
Org. C
34,5g/kg
Clay
19,1%
Sand
48,3%
Silt
32,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Vila Real
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
53,9g/kg
Clay
18,5%
Sand
48,4%
Silt
33,2%
5–15 cm
pH H₂O
5,5
Org. C
28,6g/kg
Clay
17,7%
Sand
49,1%
Silt
33,3%
15–30 cm
pH H₂O
5,5
Org. C
21,2g/kg
Clay
21,2%
Sand
47,3%
Silt
31,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.9%
Crops3.9%
Built-up1.9%
Bare soil4.9%
Other (grassland, water…)61.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
5,6km
Basins crossed
1
Max stream order
4
Max drainage
467km²
Discharge in basins
0,3m³/s
Mean precip.
1 241mm/an
Mean T°
12,6°C
Moisture idx
0,17
Max snow
2%
Mean runoff
624mm/an
Mean elev. (basins)
661m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,8nW
Built-up
193,8%
Pesticides
38,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN