HydroBASINS lev08 watershed · #2080018440
Bassin de Estero del Tamujar Grande
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
117,9km²
Upstream area
117,9km²
Discharge
0,43m³/s
Mean elev.
21m
Administrative coverage
13 intersecting protected areas
Marismas de Isla Cristina
IUCN IINature Place
20.58 km² overlap
Marismas de Isla Cristina
IUCN IVNatura 2000
20.11 km² overlap
Marismas de Isla Cristina
IUCN Not ReportedSite of Community Importance (Habitats Directive)
20.11 km² overlap
Marismas de Isla Cristina
IUCN Not ReportedSpecial Protection Area (Birds Directive)
20.11 km² overlap
Isla de San Bruno
IUCN IVNatura 2000
2.41 km² overlap
Isla de San Bruno
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.41 km² overlap
Marismas del Río Piedras y Flecha del Rompido
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.67 km² overlap
Marismas del Río Piedras y Flecha del Rompido
IUCN Not ReportedSite of Community Importance (Habitats Directive)
1.67 km² overlap
Natura 2000
1.67 km² overlap
4 more protected areassorted by overlap area
Nature Place
1.54 km² overlap
Río Guadiana y Ribera de Chanza
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.32 km² overlap
Natura 2000
0.31 km² overlap
Estuario del Río Piedras
IUCN Not ReportedSite of Community Importance (Habitats Directive)
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 166 distinct species · 36 577 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Estero del Tamujar Grande : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 7 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°
17,5°C
Annual rain
481mm
Moisture idx (CMI)
-0,56
Runoff
202mm/an
PET
1 091mm
AET
409mm
Mean slope
1,1°
Water table
179cm
Forest
27%
Crops
58%
Urban
19%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)