Rivière· 12 segments
Rio Cértima
Crosses 6 administrative regions : Anadia, Aveiro, Cantanhede, Mealhada, Oliveira do Bairro +1
Total length
35km
Max discharge
10,2m³/s
Max Strahler
4
Segments matched
12
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
3 intersecting protected areas
Ria de Aveiro
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ria de Aveiro
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Pateira de Fermentelos Lake and Águeda and Cértima Valleys
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
292 distinct species · 929 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Rio Cértima : 33 espèces reliées par 114 interactions GloBI sur 6 types (connectance 12.1%, filtre Serrano α=0.2). 11 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
35km
Max discharge
10,2m³/s
Max Strahler
4
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.