HydroBASINS lev08 watershed · #2080619670
Bassin de Volturno
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 6 administrative regions : Benevento, Campobasso, Caserta, Frosinone, Isernia +1
Sub-basin area
2 043,4km²
Upstream area
2 043,4km²
Discharge
33,45m³/s
Mean elev.
594m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 952.6 km²46.6% of basin
- 813.5 km²39.8% of basin
- 191.9 km²9.4% of basin
- 68.9 km²3.4% of basin
- 16.9 km²0.8% of basin
- 2.5 km²0.1% of basin
30 intersecting protected areas
Parco regionale del Matese
IUCN IVRegional/Provincial Nature Park
333.22 km² overlap
Matese
IUCN Not ReportedSpecial Protection Area (Birds Directive)
259.06 km² overlap
Matese Casertano
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
222.08 km² overlap
Pendici meridionali del Monte Mutria
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
118.24 km² overlap
La Gallinola - Monte Miletto - Monti del Matese
IUCN Not ReportedSpecial Protection Area (Birds Directive)
76.39 km² overlap
La Gallinola - Monte Miletto - Monti del Matese
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
76.39 km² overlap
Parco Nazionale d'Abruzzo, Lazio e Molise ed aree limitrofe
IUCN Not ReportedSpecial Protection Area (Birds Directive)
52.98 km² overlap
National Park
47.19 km² overlap
Gruppo della Meta - Catena delle Mainarde
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
35.50 km² overlap
21 more protected areassorted by overlap area
Regional/Provincial Nature Park
27.80 km² overlap
Montagnola Molisana
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
23.77 km² overlap
Fiumi Volturno e Calore Beneventano
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
22.82 km² overlap
Special Areas of Conservation (Habitats Directive)
22.14 km² overlap
Pesche - MonteTotila
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
21.09 km² overlap
Catena di Monte Maggiore
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.53 km² overlap
Valle Porcina - Torrente Vandra - Cesarata
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.81 km² overlap
Vulcano di Roccamonfina
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.91 km² overlap
Catena di Monte Cesima
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.65 km² overlap
Bosco La Difesa - C. Lucina - La Romana
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.33 km² overlap
Monte Corno - Monte Sammucro
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.73 km² overlap
Cesa Martino
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.98 km² overlap
Monte S. Paolo - Monte La Falconara
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.85 km² overlap
Fiume Volturno dalle sorgenti al Fiume Cavaliere
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8.06 km² overlap
Cime del Massiccio della Meta
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.70 km² overlap
Riserva naturale Pesche
IUCN IVState Nature Reserve
5.42 km² overlap
Cerrete di Monte Pagano e Feudozzo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.31 km² overlap
Monte Cesima
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.68 km² overlap
Il Serrone
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.63 km² overlap
Parco Nazionale d'Abruzzo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.22 km² overlap
Monte di Mezzo
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 376 distinct species · 54 339 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 Volturno : 25 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 83 interactions GloBI sur 2 types (connectance 15.7%, 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°
12,5°C
Annual rain
811mm
Moisture idx (CMI)
-0,11
Runoff
508mm/an
PET
921mm
AET
616mm
Mean slope
11,3°
Water table
398cm
Forest
57%
Crops
14%
Urban
2%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)