Ruisseau· 2 segments
Ribeira de São Mamede
Crosses 4 administrative regions : Alijó, Arouca, Carrazeda de Ansiães, Castelo de Paiva
Total length
27km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
2
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- AlijóVila Real · Portugal7.6 kmin this dpt
- AroucaAveiro · Portugal0.9 kmin this dpt
- Castelo de PaivaAveiro · Portugal0.5 kmin this dpt
- Carrazeda de AnsiãesBragança · Portugal0.0 kmin this dpt
1 intersecting protected areas
Vale do Tua
IUCN VRegional Natural Park
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
823 distinct species · 4 884 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Mamede : 28 espèces reliées par 78 interactions GloBI sur 5 types (connectance 11.1%, filtre Serrano α=0.2). 10 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
27km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.