Zizers-Mastrils
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 2017
2 km²
Commune · CHE
Untervaz
Switzerland
DfbCold, no dry season, warm summer(40 %)
Species observed
1 872
Observations
33 046
Area
26,6km²
Ecological tissue
Sample of 37 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 Untervaz : 21 espèces reliées par 113 interactions GloBI sur 5 types (connectance 17.0%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
113
Connectance
0.170
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 872 distinct species · 33 046 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,1°C
Annual rain
1 373mm
Warmest m°
19,4°C
Coldest m°
-10,3°C
Elevation: 1 217 m on average (min 528 m, max 2 330 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,1°C
Annual rain
1 373mm
Warmest month
19,4°C
Coldest month
-10,3°C
Mean alt.
1 217m
Min
528m
Max
2 330m
Std. dev.
499m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(40 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,9
Org. C
66,6g/kg
Clay
21,3%
Sand
39,8%
Silt
39,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Landquart
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
99,6g/kg
Clay
21,5%
Sand
38,9%
Silt
39,6%
5–15 cm
pH H₂O
5,9
Org. C
61,3g/kg
Clay
21,6%
Sand
39,2%
Silt
39,3%
15–30 cm
pH H₂O
5,9
Org. C
39,0g/kg
Clay
20,8%
Sand
41,2%
Silt
38,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.0%
Crops5.0%
Built-up0.8%
Bare soil2.6%
Other (grassland, water…)53.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
10,6km
Basins crossed
1
Max stream order
5
Max drainage
4 871km²
Discharge in basins
2,6m³/s
Mean precip.
1 270mm/an
Mean T°
4,1°C
Moisture idx
0,51
Max snow
39%
Mean runoff
1 102mm/an
Mean elev. (basins)
1 496m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,5nW
Built-up
83,8%
Pesticides
56,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas16
IUCN IV · 15IUCN Not Assigned · 1
Trimmiser Rodauen
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 2017
1 km²
Vallils
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Zizerser Gumpen
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2001
0 km²
Obere Au
IUCN Not AssignedForest Reserves · 2023
0 km²
Frättis
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Complete list16 protected areas
- Zizers-MastrilsFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20172 km²
- Trimmiser RodauenFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20171 km²
- VallilsFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Zizerser GumpenFederal Inventory of Amphibian Spawning Areas of National ImportanceIUCN IV20010 km²
- Obere AuForest ReservesIUCN Not Assigned20230 km²
- FrättisFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- JerätschFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- ValtscharnusFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- HirzenbodenFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Michelis BüntenFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- PradarduaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- OberbergeFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- StudenbergFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- MateilisFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- UntervazFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- PadnalFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN