Ria Formosa
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1988
233 km²
Commune · PRT
Portugal
Species observed
1 778
Observations
93 875
Area
21,2km²
Sample of 31 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 Tavira (Santiago) : 21 espèces reliées par 47 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 778 distinct species · 93 875 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
17,9°C
Annual rain
592mm
Warmest m°
28,6°C
Coldest m°
9,4°C
Elevation: 42 m on average (min 0 m, max 93 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,5
Org. C
37,2g/kg
Clay
23,5%
Sand
43,8%
Silt
32,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Tavira
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
1,9km
Basins crossed
1
Max stream order
3
Max drainage
1 731km²
Discharge in basins
0,0m³/s
Mean precip.
526mm/an
Mean T°
16,7°C
Moisture idx
-0,52
Mean runoff
288mm/an
Mean elev. (basins)
125m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
2hab/km²
Night light
9,4nW
Built-up
322,7%
Pesticides
40,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Special Protection Area (Birds Directive) · 1988
233 km²
Nature Park · 1978
179 km²
Site of Community Importance (Habitats Directive) · 2008
170 km²
Wetland of International Importance (Ramsar Site) · 1980
160 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN