Ontologia

Ruisseau· 11 segments

Rio Ocreza

Crosses 6 administrative regions : Castelo Branco, Fundão, Mação, Nisa, Proença-a-Nova +1

ruisseau

Total length

93km

Max discharge

12,1m³/s

Max Strahler

3

Segments matched

11

River geography6 admin regions · 0 communes

Parent watershed

hybas-20806533601430 km²

6 administrative regions crossed (GADM L2)

  • Castelo Branco
    Castelo Branco · Portugal
    34.2 km
    in this dpt
  • Proença-a-Nova
    Castelo Branco · Portugal
    29.6 km
    in this dpt
  • Vila Velha de Ródão
    Castelo Branco · Portugal
    6.1 km
    in this dpt
  • Mação
    Santarém · Portugal
    1.2 km
    in this dpt
  • Fundão
    Castelo Branco · Portugal
    0.0 km
    in this dpt
  • Nisa
    Portalegre · Portugal
    0.0 km
    in this dpt

2 intersecting protected areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

276 distinct species · 1 925 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Rio Ocreza : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 11.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
79
Connectance
0.112
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

93km

Max discharge

12,1m³/s

Max Strahler

3

Segments matched

11

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