Ontologia

Ruisseau· 14 segments

Rio Xarrama

Crosses 4 administrative regions : Alcácer do Sal, Alvito, Viana do Alentejo, Évora

ruisseau

Total length

79km

Max discharge

3m³/s

Max Strahler

3

Segments matched

14

River geography4 admin regions · 0 communes

Parent watershed

hybas-20806789801050 km²

4 administrative regions crossed (GADM L2)

  • Évora
    Évora · Portugal
    30.5 km
    in this dpt
  • Viana do Alentejo
    Évora · Portugal
    20.5 km
    in this dpt
  • Alcácer do Sal
    Setúbal · Portugal
    19.4 km
    in this dpt
  • Alvito
    Beja · Portugal
    2.5 km
    in this dpt

1 intersecting protected areas

  • Évora

    IUCN Not Reported

    Special Protection Area (Birds Directive)

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

Species present

245 distinct species · 6 422 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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 Xarrama : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 4 types (connectance 15.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
69
Connectance
0.159
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

79km

Max discharge

3,0m³/s

Max Strahler

3

Segments matched

14

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