Ontologia

Rivière· 14 segments

Rio Nabão

Crosses 8 administrative regions : Abrantes, Alvaiázere, Ansião, Ferreira do Zêzere, Ourém +3

rivière

Total length

62km

Max discharge

12,2m³/s

Max Strahler

4

Segments matched

14

River geography8 admin regions · 0 communes

Parent watershed

hybas-20806539001043 km²

8 administrative regions crossed (GADM L2)

  • Alvaiázere
    Leiria · Portugal
    9.9 km
    in this dpt
  • Tomar
    Santarém · Portugal
    9.3 km
    in this dpt
  • Ansião
    Leiria · Portugal
    8.5 km
    in this dpt
  • Pombal
    Leiria · Portugal
    8.0 km
    in this dpt
  • Ourém
    Santarém · Portugal
    6.8 km
    in this dpt
  • Abrantes
    Santarém · Portugal
    0.1 km
    in this dpt
  • Vila Nova da Barquinha
    Santarém · Portugal
    0.0 km
    in this dpt
  • Ferreira do Zêzere
    Santarém · Portugal
    0.0 km
    in this dpt

1 intersecting protected areas

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

454 distinct species · 1 677 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Nabão : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 94 interactions GloBI sur 3 types (connectance 17.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
94
Connectance
0.178
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

62km

Max discharge

12,2m³/s

Max Strahler

4

Segments matched

14

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