Ruisseau· 8 segments
Riu Gaià
Crosses 2 administrative regions : Barcelona, Tarragona
Total length
67km
Max discharge
1m³/s
Max Strahler
2
Segments matched
8
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
11 intersecting protected areas
Espacio marino del Delta de l'Ebre-Illes Columbretes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sistema Prelitoral Central
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sistema Prelitoral Central
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Protection Plan
Protection Plan
Riu Gaià
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Riu Gaià
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Costes del Tarragonès
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tamarit-Punta de la Móra-Costes del Tarragonès
IUCN Not AssignedProtection Plan
2 more protected areassorted by area
Protection Plan
Desembocadura del Riu Gaià
IUCN IVNature Reserve (Wildlife)
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 164 distinct species · 4 332 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Riu Gaià : 37 espèces reliées par 106 interactions GloBI sur 5 types (connectance 9.4%, 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
67km
Max discharge
1,0m³/s
Max Strahler
2
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.