Ontologia

Ruisseau· 11 segments

Rio Caia

Crosses 5 administrative regions : Arronches, Badajoz, Campo Maior, Elvas, Portalegre

ruisseau

Total length

72km

Max discharge

4,2m³/s

Max Strahler

3

Segments matched

11

River geography5 admin regions · 0 communes

Parent watershed

hybas-2080668470815 km²

5 administrative regions crossed (GADM L2)

  • Arronches
    Portalegre · Portugal
    14.8 km
    in this dpt
  • Portalegre
    Portalegre · Portugal
    11.8 km
    in this dpt
  • Elvas
    Portalegre · Portugal
    5.2 km
    in this dpt
  • Campo Maior
    Portalegre · Portugal
    5.1 km
    in this dpt
  • Badajoz
    Extremadura · Spain
    0.2 km
    in this dpt

3 intersecting protected areas

  • S. Mamede

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

  • Serra de Sao Mamede

    IUCN V

    Nature Park

  • Caia

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

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

Species present

107 distinct species · 1 671 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 Caia : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
43
Connectance
0.092
Patrimoniales
2
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

72km

Max discharge

4,2m³/s

Max Strahler

3

Segments matched

11

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