Ruisseau· 14 segments
Rio Xarrama
Crosses 4 administrative regions : Alcácer do Sal, Alvito, Viana do Alentejo, Évora
Total length
79km
Max discharge
3m³/s
Max Strahler
3
Segments matched
14
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- ÉvoraÉvora · Portugal30.5 kmin this dpt
- Viana do AlentejoÉvora · Portugal20.5 kmin this dpt
- Alcácer do SalSetúbal · Portugal19.4 kmin this dpt
- AlvitoBeja · Portugal2.5 kmin this dpt
1 intersecting protected areas
Évora
IUCN Not ReportedSpecial 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).
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).
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.