Ruisseau· 16 segments
Rio Erges - Riu das Elhas
Crosses 2 administrative regions : Cáceres, Idanha-a-Nova
Total length
58km
Max discharge
10,8m³/s
Max Strahler
3
Segments matched
16
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- CáceresExtremadura · Spain37.8 kmin this dpt
- Idanha-a-NovaCastelo Branco · Portugal25.4 kmin this dpt
10 intersecting protected areas
Llanos de Alcantara y Brozas
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Llanos de Alcantara y Brozas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tejo Internacional
IUCN VNature Park
Tejo Internacional, Erges e Pônsul
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Río Tajo Internacional y Riberos
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Natural Park
Canchos de Ramiro y Ladronera
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Cedillo y Río Tajo Internacional
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Canchos de Ramiro
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 more protected areassorted by area
Río Erjas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
486 distinct species · 5 421 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Erges - Riu das Elhas : 26 espèces reliées par 94 interactions GloBI sur 5 types (connectance 14.1%, filtre Serrano α=0.2). 11 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
58km
Max discharge
10,8m³/s
Max Strahler
3
Segments matched
16
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.