Rivière· 73 segments
el Segre
Crosses 4 administrative regions : Girona, Huesca, Lleida, Pyrénées-Orientales
Total length
263km
Max discharge
83,8m³/s
Max Strahler
5
Segments matched
73
River geography4 admin regions · 8 communes
4 administrative regions crossed (GADM L2)
- LleidaCataluña · Spain211.2 kmin this dpt
- GironaCataluña · Spain19.9 kmin this dpt
- Pyrénées-OrientalesOccitanie · France16.9 kmin this dpt
- HuescaAragón · Spain0.0 kmin this dpt
8 communes (L5)For countries with L5
- Llo6.24 km
- Bourg-Madame4.21 km
- Saillagouse3.39 km
- Ur1.84 km
- Estavar1.22 km
- Err0.00 km
- Enveitg0.00 km
- Sainte-Léocadie0.00 km
30 intersecting protected areas
Pyrénées Catalanes
IUCN VRegional Nature Park
Prepirineu Central català
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Prepirineu Central català
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Cadí-Moixeró
IUCN VNatural Park
Serres del Cadí-Moixeró
IUCN VProtection Plan
Matarraña - Aiguabarreix
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Serres del Montsec, Sant Mamet i Mitjana
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Serres del Montsec, Sant Mamet i Mitjana
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Serra del Montsec
IUCN VProtection Plan
21 more protected areassorted by area
Valls de Sió-Llobregós
IUCN VIProtection Plan
Valls del Sió-Llobregós
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Valls del Sió-Llobregós
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Protection Plan
Protection Plan
Aiguabarreig Segre-Noguera Pallaresa
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Aiguabarreig Segre-Noguera Pallaresa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Protection Plan
Secans de la Noguera
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Secans de la Noguera
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Secans del Segrià i Utxesa
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Protection Plan
Serra d'Aubenç i Roc de Cogul
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Serra d'Aubenç i Roc de Cogul
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ríos cinca y Alcanadre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ribera Salada
IUCN VProtection Plan
Ribera Salada
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Secans del Segrià i Utxesa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Serra de Prada-Castellàs
IUCN VProtection Plan
Serra de Prada-Castellàs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Serra de Prada-Castellàs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1 page = 1 named river (aggregation of 73 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
5 992 distinct species · 207 144 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 el Segre : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 52 interactions GloBI documentées sur 4 types (connectance 6.0%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
263km
Max discharge
83,8m³/s
Max Strahler
5
Segments matched
73
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.