HydroBASINS lev08 watershed · #2080604120

Bassin de Aniene

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 : Frosinone, L'Aquila, Rieti, Roma

Pfafstetter: 21500620

Sub-basin area

1 466,3km²

Upstream area

1 466,3km²

Discharge

24,63m³/s

Mean elev.

501m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Tevere708 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

Roma
Lazio · Italy
1323.9 km²
90.2% of basin
Frosinone
Lazio · Italy
135.6 km²
9.2% of basin
Rieti
Lazio · Italy
7.3 km²
0.5% of basin
L'Aquila
Abruzzo · Italy
1.7 km²
0.1% of basin

30 intersecting protected areas

Monti Simbruini ed Ernici
IUCN Not Reported
Special Protection Area (Birds Directive)
257.14 km² overlap
Parco naturale regionale Monti Simbruini
IUCN IV
Regional/Provincial Nature Park
228.76 km² overlap
Parco regionale naturale dei Monti Lucretili
IUCN IV
Regional/Provincial Nature Park
96.03 km² overlap
Monti Lucretili
IUCN Not Reported
Special Protection Area (Birds Directive)
73.44 km² overlap
Monte Autore e Monti Simbruini centrali
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
42.97 km² overlap
Parco regionale dei Castelli Romani
IUCN V
Regional/Provincial Nature Park
24.58 km² overlap
Riserva naturale di Monte Catillo
IUCN V
Regional/Provincial Nature Reserve
13.22 km² overlap
Riserva naturale della Marcigliana
IUCN V
Regional/Provincial Nature Reserve
12.44 km² overlap
Riserva naturale Valle dell'Aniene
IUCN V
Regional/Provincial Nature Reserve
6.46 km² overlap

21 more protected areassorted by overlap area

Monti Ruffi (versante sud ovest)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
5.80 km² overlap
Monte Guadagnolo
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
5.69 km² overlap
Parco dell'Inviolata
IUCN V
Regional/Provincial Nature Park
5.36 km² overlap
Travertini Acque Albule (Bagni di Tivoli)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
4.30 km² overlap
Monte Pellecchia
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
4.10 km² overlap
Riserva naturale di Nomentum
IUCN V
Regional/Provincial Nature Reserve
3.58 km² overlap
Monte Gennaro (versante sud ovest)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
3.27 km² overlap
Sorgenti dell'Aniene
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
3.24 km² overlap
Alta Valle del Fiume Aniene
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.82 km² overlap
Lagustelli di Percile
IUCN IV
Wetland of International Importance (Ramsar Site)
2.59 km² overlap
Monte Viglio (area sommitale)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.53 km² overlap
Torrente Licenza ed affluenti
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.35 km² overlap
Monte Tarino e Tarinello (area sommitale)
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.28 km² overlap
Macchia di S. Angelo Romano
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.78 km² overlap
Parco naturale regionale Appia Antica
IUCN V
Regional/Provincial Nature Park
1.63 km² overlap
Campo Catino
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.10 km² overlap
Basso corso del Rio Fiumicino
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.83 km² overlap
Monti Simbruini
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.76 km² overlap
Monti Simbruini
IUCN Not Reported
Special Protection Area (Birds Directive)
0.76 km² overlap
Riserva naturale della Macchia di Gattaceca e Macchia del Barco
IUCN V
Regional/Provincial Nature Reserve
0.63 km² overlap
Parco regionale urbano di Aguzzano
IUCN V
Other Protected Natural Regional Areas
0.60 km² overlap

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

Species present

4 143 distinct species · 107 794 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 47 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 Aniene : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 7 types (connectance 10.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

112

Connectance

0.104

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°

13,1°C

Annual rain

854mm

Moisture idx (CMI)

-0,16

Runoff

486mm/an

PET

1 031mm

AET

663mm

Mean slope

10,2°

Water table

355cm

Forest

50%

Crops

31%

Urban

34%

Protected

27%

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