Special Protection Area (Birds Directive) · prt
Ria Formosa
- Area
- 233 km²
- IUCN cat.
- Not Reported
- Year
- 1988
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 1988
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 423 distinct species · 249 795 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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).
Indicateurs du tissu écologique
Tissu écologique de Ria Formosa : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 3 types (connectance 9.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 5 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
34,5km
Lake surface here
0,99km²
Basins crossed
1
Max stream order
3
Max drainage
1 731km²
Discharge in basins
0,1m³/s
Mean precip.
526mm/an
Mean T°
16,7°C
Moisture idx
-0,52
Mean runoff
288mm/an
Mean elev. (basins)
125m
Watersheds crossing here
Lakes (5, top by area)
Rivers / streams (13, ord ≥ 4)
- Ribeira de Bela-Mandilord 1len here5.64 km53%total11 km
- Ribeira da Goldraord 1len here5.20 km29%total18 km
- Ribeira de São Lourençoord 1len here4.05 km100%total4 km
- Ribeira de Marimord 1len here3.13 km46%total7 km
- Ribeira de Fornalhaord 1len here3.03 km35%total9 km
- Ribeira de Marchilord 2len here2.30 km31%total7 km
- Rio Secoord 2len here2.11 km12%total17 km
- Rio Gilãoord 3len here1.82 km22%total8 km
- Canal de Olhãoord 1len here1.75 km100%total2 km
- Regueira da Água Quenteord 1len here1.68 km96%total2 km
- Ribeira dos Mosqueirosord 1len here1.61 km33%total5 km
- Ribeira do Almargemord 2len here1.56 km15%total10 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 37.06187, -7.71522
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.