HydroBASINS lev08 watershed · #2080611940
Bassin de Liri
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 2 administrative regions : Frosinone, L'Aquila
Sub-basin area
827,3km²
Upstream area
827,3km²
Discharge
14,54m³/s
Mean elev.
755m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 517.7 km²62.5% of basin
- 310.9 km²37.5% of basin
21 intersecting protected areas
Monti Simbruini ed Ernici
IUCN Not ReportedSpecial Protection Area (Birds Directive)
92.73 km² overlap
Monti Simbruini
IUCN Not ReportedSpecial Protection Area (Birds Directive)
86.32 km² overlap
Monti Simbruini
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
86.32 km² overlap
Parco Nazionale d'Abruzzo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
53.27 km² overlap
Parco Nazionale d'Abruzzo, Lazio e Molise ed aree limitrofe
IUCN Not ReportedSpecial Protection Area (Birds Directive)
22.11 km² overlap
Regional/Provincial Nature Reserve
10.03 km² overlap
Vallone Lacerno (fondovalle)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8.29 km² overlap
Monte Passeggio e Pizzo Deta (area sommitale)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.58 km² overlap
Monte Arunzo e Monte Arezzo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.46 km² overlap
12 more protected areassorted by overlap area
Monte Passeggio e Pizzo Deta (versante sud)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.84 km² overlap
Regional/Provincial Nature Reserve
3.43 km² overlap
Riserva naturale Antiche Citta' di Fregellae e Fabrateria Nova e del Lago di S. Giovanni Incarico
IUCN VRegional/Provincial Nature Reserve
2.09 km² overlap
Regional/Provincial Nature Park
1.47 km² overlap
Lago di Posta Fibreno
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.39 km² overlap
Lago di Posta Fibreno
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.39 km² overlap
National Park
0.95 km² overlap
Other Protected Natural Regional Areas
0.41 km² overlap
Monte Viglio (area sommitale)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.39 km² overlap
Valle dell'Inferno
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.21 km² overlap
Monte Ortara e Monte La Monna
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.14 km² overlap
Other Protected Natural Regional Areas
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 385 distinct species · 5 913 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Liri : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 4 types (connectance 16.9%, 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°
11,4°C
Annual rain
936mm
Moisture idx (CMI)
0,01
Runoff
544mm/an
PET
934mm
AET
653mm
Mean slope
14,6°
Water table
447cm
Forest
47%
Crops
33%
Urban
10%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)