Ruisseau· 9 segments
Ribeira de São Martinho
Crosses 2 administrative regions : Alcácer do Sal, Montemor-o-Novo
Total length
73km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
9
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Alcácer do SalSetúbal · Portugal29.7 kmin this dpt
- Montemor-o-NovoÉvora · Portugal17.1 kmin this dpt
5 intersecting protected areas
Cabrela
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Estuário do Sado
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Estuário do Sado
IUCN IVWetland of International Importance (Ramsar Site)
Estuário do Sado
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Estuario do Sado
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
109 distinct species · 1 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Ribeira de São Martinho : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 14.8%, 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).
Hydrology (HydroRIVERS v10)
Total length
73km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.