Rivière· 18 segments
Ribeira de Seda
Crosses 5 administrative regions : Alter do Chão, Avis, Crato, Mora, Portalegre
Total length
86km
Max discharge
24,3m³/s
Max Strahler
4
Segments matched
18
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- AvisPortalegre · Portugal17.7 kmin this dpt
- Alter do ChãoPortalegre · Portugal15.1 kmin this dpt
- CratoPortalegre · Portugal11.1 kmin this dpt
- PortalegrePortalegre · Portugal7.8 kmin this dpt
- MoraÉvora · Portugal5.7 kmin this dpt
1 intersecting protected areas
Cabeção
IUCN Not ReportedSite of Community Importance (Habitats Directive)
1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
83 distinct species · 1 116 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 Ribeira de Seda : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 6.8%, 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
86km
Max discharge
24,3m³/s
Max Strahler
4
Segments matched
18
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.