Special Protection Area (Birds Directive) · prt
Estuário do Tejo
- Area
- 448 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
1 772 distinct species · 582 266 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Estuário do Tejo : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 5 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
53,8km
Lake surface here
1,22km²
Basins crossed
6
Max stream order
6
Max drainage
70 756km²
Discharge in basins
48,8m³/s
Mean precip.
671mm/an
Mean T°
16,7°C
Moisture idx
-0,35
Max snow
1%
Mean runoff
281mm/an
Mean elev. (basins)
42m
Watersheds crossing here
- Bassin de Rio Sorraiasub-area284,5 km²overlap173.02 km²39%
- Bassin de Ribeira de São Martinhosub-area2 148,4 km²overlap69.95 km²16%
- Basin #18820sub-area30 km²overlap30.01 km²7%
- Bassin de Rio Sizandrosub-area2 611,5 km²overlap18.79 km²4%
- Bassin de Rio Otasub-area543,9 km²overlap14.97 km²3%
- Bassin de Rio Almansorsub-area1 094,5 km²overlap4.14 km²1%
Lakes (5, top by area)
Rivers / streams (9, ord ≥ 4)
- Rio Sorraiaord 5len here12.56 km36%total35 km
- Vala da Ponte da Pedraord 2len here10.04 km100%total10 km
- Rio das Enguiasord 3len here9.72 km93%total10 km
- Ribeira do Vale Cobrãoord 2len here9.35 km100%total9 km
- Vala Real das Portas Novasord 1len here8.35 km82%total10 km
- Rio Tejoord 6len here2.24 km1%total182 km
- Ribeira de Vale de Michõesord 2len here1.31 km7%total18 km
- Ribeira do Loureiroord 1len here0.13 km2%total6 km
- Rio Trancãoord 3len here0.08 km0%total16 km
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
- 38.82477, -8.92336
- 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.