Ruisseau· 10 segments
Ribeira da Erra
Crosses 2 administrative regions : Coruche, Ponte de Sôr
Total length
36km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
10
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Ponte de SôrPortalegre · Portugal24.6 kmin this dpt
- CorucheSantarém · Portugal23.9 kmin this dpt
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
129 distinct species · 1 175 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 da Erra : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 9 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
36km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.