Estuario do Douro
IUCN IVLocal Nature Reserve · 2009
1 km²
Municipality · PRT
Portugal
Species observed
2 112
Observations
215 721
Area
41,3km²
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).
Tissu écologique de Porto : 25 espèces reliées par 77 interactions GloBI sur 4 types (connectance 13.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
2 112 distinct species · 215 721 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
15,4°C
Annual rain
1 452mm
Warmest m°
24,6°C
Coldest m°
7,0°C
Elevation: 76 m on average (min -7 m, max 131 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
10,6km
Lake surface here
0,72km²
Basins crossed
3
Max stream order
7
Max drainage
97 239km²
Discharge in basins
11,8m³/s
Mean precip.
1 214mm/an
Mean T°
14,1°C
Moisture idx
0,21
Max snow
4%
Mean runoff
850mm/an
Mean elev. (basins)
172m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
39hab/km²
Night light
60,5nW
Built-up
1 720,4%
Pesticides
38,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Local Nature Reserve · 2009
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN