HydroBASINS lev08 watershed · #2080519560
Bassin de Marzon
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 : Belluno, Bolzano
Sub-basin area
230,9km²
Upstream area
230,9km²
Discharge
3,61m³/s
Mean elev.
1 718m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 230.7 km²99.6% of basin
- Bolzano0.9 km²0.4% of basin
14 intersecting protected areas
The Dolomites
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
79.19 km² overlap
Gruppo Antelao - Marmarole - Sorapis
IUCN Not ReportedSpecial Protection Area (Birds Directive)
75.21 km² overlap
Gruppo Antelao - Marmarole - Sorapis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
75.21 km² overlap
Dolomiti del Cadore e del Comelico
IUCN Not ReportedSpecial Protection Area (Birds Directive)
61.93 km² overlap
Gruppo del Popera - Dolomiti di Auronzo e di Val Comelico
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
54.11 km² overlap
Riserva naturale Somadida
IUCN IaState Nature Reserve
16.31 km² overlap
Dolomiti di Ampezzo
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.69 km² overlap
Dolomiti di Ampezzo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.69 km² overlap
Regional/Provincial Nature Park
4.56 km² overlap
5 more protected areassorted by overlap area
Parco Naturale Tre Cime
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.16 km² overlap
Parco Naturale Tre Cime
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.16 km² overlap
Torbiere di Danta
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.98 km² overlap
Regional/Provincial Nature Park
0.82 km² overlap
Lago di Misurina
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 314 distinct species · 8 739 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 Marzon : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 5 types (connectance 9.8%, filtre Serrano α=0.2). 18 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°
3,2°C
Annual rain
992mm
Moisture idx (CMI)
0,34
Runoff
631mm/an
PET
638mm
AET
598mm
Mean slope
27,5°
Water table
785cm
Forest
65%
Crops
17%
Urban
0%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)