Rivière· 2 segments
Arroyo
Crosses 1 administrative regions : Huelva
Total length
457km
Max discharge
24,3m³/s
Max Strahler
4
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- HuelvaAndalucía · Spain15.1 kmin this dpt
7 intersecting protected areas
Marismas del Odiel
IUCN IINature Place
Marismas del Odiel
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marismas del Odiel
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Marismas del Odiel
IUCN IVNatura 2000
Estuario del Río tinto
IUCN IVNatura 2000
Estuario del Río Tinto
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marisma de el Burro
IUCN IbNature Reserve
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
319 distinct species · 2 209 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 Arroyo : 34 espèces reliées par 82 interactions GloBI sur 4 types (connectance 9.5%, 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
457km
Max discharge
24,3m³/s
Max Strahler
4
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.