Wetland of International Importance (Ramsar Site) · PRT
Estuário do Sado
- Area
- 257 km²
- IUCN cat.
- IV
- Year
- 1996
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1996
- Managing authority
- SNPRCN/Reserva Natural do Estuário do Sado
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 104 distinct species · 112 172 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Sado : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 3 types (connectance 10.0%, 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).
Hydrology3 basins · 2 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
23,6km
Lake surface here
0,52km²
Basins crossed
3
Max stream order
5
Max drainage
6 186km²
Discharge in basins
4,0m³/s
Mean precip.
634mm/an
Mean T°
16,8°C
Moisture idx
-0,42
Max snow
1%
Mean runoff
241mm/an
Mean elev. (basins)
66m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (6, ord ≥ 4)
- Rio Sadoord 5len here10.90 km6%total171 km
- Ribeira da Maratecaord 3len here5.78 km31%total19 km
- Ribeira de São Martinhoord 2len here2.44 km5%total47 km
- Ribeira do Vale do Cãoord 2len here2.05 km16%total13 km
- Ribeira de Montalvoord 1len here1.26 km35%total4 km
- Ribeira da Agualvaord 1len here1.14 km41%total3 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
- 38.47551, -8.72515
- 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.