Alvão / Marão
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
588 km²
Commune · PRT
Ansiães
Portugal
CsbTemperate, dry summer, warm summer(100 %)
Species observed
344
Observations
3 794
Area
27,2km²
Ecological tissue
Sample of 35 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 Ansiães : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 7 types (connectance 10.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
68
Connectance
0.102
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
344 distinct species · 3 794 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,1°C
Annual rain
1 467mm
Warmest m°
24,3°C
Coldest m°
0,4°C
Elevation: 875 m on average (min 485 m, max 1 232 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,1°C
Annual rain
1 467mm
Warmest month
24,3°C
Coldest month
0,4°C
Mean alt.
875m
Min
485m
Max
1 232m
Std. dev.
184m
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
5,3
Org. C
54,6g/kg
Clay
14,4%
Sand
53,2%
Silt
32,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Amarante
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,3
Org. C
89,7g/kg
Clay
13,1%
Sand
53,9%
Silt
33,1%
5–15 cm
pH H₂O
5,2
Org. C
46,2g/kg
Clay
12,1%
Sand
54,6%
Silt
33,4%
15–30 cm
pH H₂O
5,3
Org. C
27,8g/kg
Clay
18,1%
Sand
51,0%
Silt
30,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.5%
Crops0.6%
Built-up0.3%
Bare soil6.2%
Other (grassland, water…)64.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,6km
Basins crossed
3
Max stream order
2
Max drainage
91 973km²
Discharge in basins
0,7m³/s
Mean precip.
1 275mm/an
Mean T°
13,1°C
Moisture idx
0,20
Max snow
4%
Mean runoff
770mm/an
Mean elev. (basins)
528m
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
0,5nW
Built-up
29,9%
Pesticides
39,1kg/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