Ontologia

Rivière· 12 segments

Rio Dão

Crosses 10 administrative regions : Carregal do Sal, Mangualde, Mortágua, Nelas, Penacova +5

rivière

Total length

89km

Max discharge

27,8m³/s

Max Strahler

4

Segments matched

12

River geography10 admin regions · 0 communes

Parent watershed

hybas-20806363301370 km²

10 administrative regions crossed (GADM L2)

  • Santa Comba Dão
    Viseu · Portugal
    13.9 km
    in this dpt
  • Viseu
    Viseu · Portugal
    12.2 km
    in this dpt
  • Tondela
    Viseu · Portugal
    11.3 km
    in this dpt
  • Mangualde
    Viseu · Portugal
    4.6 km
    in this dpt
  • Carregal do Sal
    Viseu · Portugal
    4.0 km
    in this dpt
  • Mortágua
    Viseu · Portugal
    2.3 km
    in this dpt
  • Penacova
    Coimbra · Portugal
    1.3 km
    in this dpt
  • Nelas
    Viseu · Portugal
    0.8 km
    in this dpt
  • Penalva do Castelo
    Viseu · Portugal
    0.5 km
    in this dpt
  • Tábua
    Coimbra · Portugal
    0.0 km
    in this dpt

1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

404 distinct species · 1 161 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Rio Dão : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 10.8%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
93
Connectance
0.108
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

89km

Max discharge

27,8m³/s

Max Strahler

4

Segments matched

12

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.