HydroBASINS lev08 watershed · #2080018420
Bassin de Arroyo del Chorrito
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Huelva
Sub-basin area
194,6km²
Upstream area
194,6km²
Discharge
1,24m³/s
Mean elev.
29m
Administrative coverage
22 intersecting protected areas
Marismas del Odiel
IUCN IINature Place
41.71 km² overlap
Marismas del Odiel
IUCN Not ReportedSpecial Protection Area (Birds Directive)
41.35 km² overlap
Marismas del Odiel
IUCN Not ReportedSite of Community Importance (Habitats Directive)
41.35 km² overlap
Marismas del Odiel
IUCN IVNatura 2000
41.15 km² overlap
Marismas del Odiel
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
21.90 km² overlap
Marismas del Odiel
IUCN Not ReportedWetland of International Importance (Ramsar Site)
21.90 km² overlap
Laguna de El Portil
IUCN Not ReportedSite of Community Importance (Habitats Directive)
12.63 km² overlap
Nature Place
5.01 km² overlap
Estuario del Río tinto
IUCN IVNatura 2000
4.84 km² overlap
13 more protected areassorted by overlap area
Estuario del Río Tinto
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.84 km² overlap
Isla de Enmedio
IUCN IbNature Reserve
4.77 km² overlap
Natura 2000
4.36 km² overlap
Marismas del Río Piedras y Flecha del Rompido
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.36 km² overlap
Marismas del Río Piedras y Flecha del Rompido
IUCN Not ReportedSite of Community Importance (Habitats Directive)
4.36 km² overlap
Estuario del Río Piedras
IUCN Not ReportedSite of Community Importance (Habitats Directive)
3.88 km² overlap
Marisma de Las Carboneras
IUCN Not ReportedSite of Community Importance (Habitats Directive)
2.63 km² overlap
Espacio marino del Tinto y del Odiel
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.88 km² overlap
Enebrales de Punta Umbría
IUCN Not ReportedSite of Community Importance (Habitats Directive)
1.87 km² overlap
Espacio marino del Tinto y del Odiel
IUCN Not ReportedMarine Protected Area (OSPAR)
1.87 km² overlap
Enebrales de Punta Umbría
IUCN IINature Place
1.80 km² overlap
La Norieta
IUCN Not AssignedPeriurban Protected Area
0.92 km² overlap
Laguna de el Portil
IUCN IbNature Reserve
0.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 696 distinct species · 125 979 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Bassin de Arroyo del Chorrito : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 9.1%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,7°C
Annual rain
476mm
Moisture idx (CMI)
-0,55
Runoff
205mm/an
PET
1 064mm
AET
406mm
Mean slope
1,0°
Water table
254cm
Forest
44%
Crops
43%
Urban
11%
Protected
25%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)