Alvão / Marão
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
588 km²
Commune · PRT
Quintã
Portugal
CsbTemperate, dry summer, warm summer(100 %)
Species observed
839
Observations
4 901
Area
4,2km²
Ecological tissue
Sample of 34 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 Quintã : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 11.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
65
Connectance
0.116
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
839 distinct species · 4 901 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
1 425mm
Warmest m°
25,0°C
Coldest m°
0,9°C
Elevation: 762 m on average (min 650 m, max 886 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
1 425mm
Warmest month
25,0°C
Coldest month
0,9°C
Mean alt.
762m
Min
650m
Max
886m
Std. dev.
36m
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
53,9g/kg
Clay
15,1%
Sand
51,2%
Silt
33,7%
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
5,3
Org. C
87,8g/kg
Clay
13,7%
Sand
51,8%
Silt
34,4%
5–15 cm
pH H₂O
5,3
Org. C
45,6g/kg
Clay
12,6%
Sand
52,7%
Silt
34,7%
15–30 cm
pH H₂O
5,4
Org. C
28,5g/kg
Clay
18,9%
Sand
49,0%
Silt
32,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest42.4%
Crops8.8%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)47.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Basins crossed
1
Max stream order
2
Max drainage
467km²
Discharge in basins
0,1m³/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 (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,8nW
Built-up
46,8%
Pesticides
39,4kg/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