Ambienti calcarei d'alta quota attorno al Lago Tsan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2013
5 km²
Commune · ITA
Nus
Italy
DfcCold, no dry season, cold summer(39 %)
Species observed
1 895
Observations
9 916
Area
56,5km²
Ecological tissue
Sample of 31 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
Indicateurs du tissu écologique
Tissu écologique de Nus : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
69
Connectance
0.148
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 895 distinct species · 9 916 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,0°C
Annual rain
1 200mm
Warmest m°
16,7°C
Coldest m°
-12,7°C
Elevation: 1 915 m on average (min 538 m, max 3 036 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
2,0°C
Annual rain
1 200mm
Warmest month
16,7°C
Coldest month
-12,7°C
Mean alt.
1 915m
Min
538m
Max
3 036m
Std. dev.
641m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(39 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
84,2g/kg
Clay
20,5%
Sand
38,8%
Silt
40,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Aosta
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
122,4g/kg
Clay
19,7%
Sand
39,0%
Silt
41,3%
5–15 cm
pH H₂O
6,1
Org. C
75,5g/kg
Clay
19,7%
Sand
39,1%
Silt
41,1%
15–30 cm
pH H₂O
6,1
Org. C
54,8g/kg
Clay
22,2%
Sand
38,3%
Silt
39,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.3%
Crops1.4%
Built-up0.4%
Bare soil10.9%
Other (grassland, water…)63.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
18,0km
Basins crossed
2
Max stream order
5
Max drainage
2 527km²
Discharge in basins
5,9m³/s
Mean precip.
1 437mm/an
Mean T°
3,1°C
Moisture idx
0,53
Max snow
44%
Mean runoff
915mm/an
Mean elev. (basins)
1 843m
Watersheds crossing here
Rivers / streams (7, ord ≥ 4)
- Torrent de Sant Barthelemyord 1len here10.95 km100%total11 km
- Torrent de Saint-Barthélemyord 2len here4.02 km74%total5 km
- Torrente de Chalebyord 1len here2.15 km51%total4 km
- Dora Baltea / Doire Baltéeord 5len here0.67 km3%total25 km
- Ru de Cournouord 5len here0.19 km4%total4 km
- Torrente di Saint Marcelord 1len here≈ tangenttotal9 km
- Torrente Decheord 1len here≈ tangenttotal5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,7nW
Built-up
39,1%
Pesticides
67,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 3IUCN IV · 1
Riserva naturale Les Iles
IUCN IVRegional/Provincial Nature Reserve · 1993
0 km²
Zona Umida di Les Iles di Saint - Marcel
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2003
0 km²
Zona Umida di Les Iles di Saint - Marcel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2013
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN