HydroBASINS lev08 watershed · #2080586690

Bassin de Fiume Chiascio

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 4 administrative regions : Ancona, Macerata, Perugia, Terni

Pfafstetter: 21500680

Sub-basin area

1 939,5km²

Upstream area

1 939,7km²

Discharge

29,01m³/s

Mean elev.

519m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Tevere1595 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

Perugia
Umbria · Italy
1921.6 km²
98.9% of basin
Terni
Umbria · Italy
20.8 km²
1.1% of basin
Ancona
Marche · Italy
0.3 km²
0.0% of basin
Macerata
Marche · Italy
0.3 km²
0.0% of basin

30 intersecting protected areas

Parco del Monte Subasio
IUCN V
Regional/Provincial Nature Park
72.77 km² overlap
Parco del Monte Cucco
IUCN V
Regional/Provincial Nature Park
46.32 km² overlap
Boschi e pascoli di Fratticiola Selvatica (Valfabbrica)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
24.04 km² overlap
Monti Serano - Brunette (sommità)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
19.00 km² overlap
Colline Premartane (Bettona - Gualdo Cattaneo)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
17.18 km² overlap
Monti Maggio - Nero (sommità)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
13.37 km² overlap
Monte Subasio (sommità)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
12.21 km² overlap
Boschi di Terne - Pupaggi
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
11.19 km² overlap
Boschi del Bacino di Gubbio
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
9.12 km² overlap

21 more protected areassorted by overlap area

Valle di Pettino (Campello sul Clitunno)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
8.44 km² overlap
Lecceta di Sassovivo (Foligno)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
6.39 km² overlap
Fosso di Camposolo
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
5.59 km² overlap
Monteluco di Spoleto
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
5.04 km² overlap
Colli Selvalonga - Il Monte (Assisi)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
4.78 km² overlap
Monte Cucco (sommità)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
4.41 km² overlap
Sasso di Pale
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
3.12 km² overlap
Monte Il Cerchio (Monti Martani)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.87 km² overlap
Poggio Caselle - Fosso Renaro (Monte Subasio)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.73 km² overlap
Torrente Vetorno
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.45 km² overlap
Bassa Valnerina: Monte Fionchi - Cascata delle Marmore
IUCN Not Reported
Special Protection Area (Birds Directive)
1.85 km² overlap
Fosso della Vallaccia - Monte Pormaiore
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.58 km² overlap
Le Gorghe
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.26 km² overlap
Piano di Ricciano
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.01 km² overlap
Boschi di Montebibico (Monti Martani)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.00 km² overlap
Selva di Cupigliolo
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.83 km² overlap
Fiume Tescio (parte alta)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.82 km² overlap
Fosso dell'Eremo delle Carceri (Monte Subasio)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.64 km² overlap
Castagneti di Morro (Foligno)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.53 km² overlap
Fiume Menotre (Rasiglia)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.49 km² overlap
Fiume Topino (Bagnara - Nocera Umbra)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.37 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

4 517 distinct species · 35 936 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Fiume Chiascio : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 7 types (connectance 10.7%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

101

Connectance

0.107

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

12,4°C

Annual rain

898mm

Moisture idx (CMI)

0,00

Runoff

449mm/an

PET

899mm

AET

662mm

Mean slope

10,1°

Water table

328cm

Forest

48%

Crops

48%

Urban

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)