Alvão / Marão
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
588 km²
Commune · PRT
Ribeira De Pena (Salvador)
Portugal
CsbTemperate, dry summer, warm summer(95 %)
Species observed
458
Observations
13 165
Area
40,5km²
Ecological tissue
Sample of 26 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 Ribeira De Pena (Salvador) : 16 espèces reliées par 53 interactions GloBI sur 4 types (connectance 16.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
53
Connectance
0.163
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
458 distinct species · 13 165 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
1 489mm
Warmest m°
26,1°C
Coldest m°
2,0°C
Elevation: 561 m on average (min 257 m, max 893 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
1 489mm
Warmest month
26,1°C
Coldest month
2,0°C
Mean alt.
561m
Min
257m
Max
893m
Std. dev.
162m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(95 %)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
57,3g/kg
Clay
16,1%
Sand
50,9%
Silt
33,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Ribeira de Pena
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
94,1g/kg
Clay
15,3%
Sand
51,4%
Silt
33,3%
5–15 cm
pH H₂O
5,4
Org. C
46,6g/kg
Clay
13,8%
Sand
52,3%
Silt
33,9%
15–30 cm
pH H₂O
5,5
Org. C
31,2g/kg
Clay
19,4%
Sand
48,9%
Silt
31,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.0%
Crops4.1%
Built-up1.1%
Bare soil5.9%
Other (grassland, water…)62.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
13,0km
Basins crossed
2
Max stream order
4
Max drainage
2 219km²
Discharge in basins
5,0m³/s
Mean precip.
1 195mm/an
Mean T°
12,2°C
Moisture idx
0,16
Max snow
3%
Mean runoff
691mm/an
Mean elev. (basins)
680m
Watersheds crossing here
Rivers / streams (8, ord ≥ 4)
- Levada de Água de Agunchosord 2len here7.91 km70%total11 km
- Rio Tâmegaord 4len here1.51 km1%total107 km
- Ribeira da Trofaord 4len here1.44 km62%total2 km
- Ribeiro da Carvalha Secaord 1len here0.69 km100%total1 km
- Ribeira de Antriméord 1len here0.61 km89%total1 km
- Ribeiro do Ouroord 4len here0.40 km10%total4 km
- Túnel de Aduçãoord 2len here0.34 km6%total6 km
- Ribeiro de Viduedoord 1len here0.12 km14%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
2,0nW
Built-up
106,0%
Pesticides
12,8kg/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