HydroBASINS lev08 watershed · #2080015810
Bassin de Fiume Ombrone
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 : Grosseto
Sub-basin area
373,3km²
Upstream area
3 627,6km²
Discharge
35,11m³/s
Mean elev.
84m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Torrente Lanzo494 km²
- Bassin de Fosso della Ficaia171 km²
11 intersecting protected areas
Parco naturale della Maremma
IUCN IVRegional/Provincial Nature Park
38.06 km² overlap
Pianure del Parco della Maremma
IUCN Not ReportedSpecial Protection Area (Birds Directive)
23.21 km² overlap
Monti dell'Uccellina
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.25 km² overlap
Monti dell'Uccellina
IUCN Not ReportedSpecial Protection Area (Birds Directive)
12.25 km² overlap
Monte Leoni
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.26 km² overlap
Poggio di Moscona
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.48 km² overlap
Padule della Trappola, Bocca d'Ombrone
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.68 km² overlap
Padule della Trappola, Bocca d'Ombrone
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.68 km² overlap
Trappola Marshland - Ombrone River Mouth
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1.59 km² overlap
2 more protected areassorted by overlap area
Pineta Granducale dell'Uccellina
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.18 km² overlap
Pineta Granducale dell'Uccellina
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 482 distinct species · 18 144 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Fiume Ombrone : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 83 interactions GloBI sur 4 types (connectance 11.8%, filtre Serrano α=0.2). 9 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°
14,8°C
Annual rain
626mm
Moisture idx (CMI)
-0,37
Runoff
228mm/an
PET
1 000mm
AET
529mm
Mean slope
4,0°
Water table
202cm
Forest
12%
Crops
24%
Urban
6%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)