Pfrunt
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
2 km²
Commune · CHE
Avers
Switzerland
ETPolar, tundra(63 %)
Species observed
1 758
Observations
18 884
Area
98,4km²
Ecological tissue
Sample of 23 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 Avers : 13 espèces reliées par 68 interactions GloBI sur 5 types (connectance 20.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
68
Connectance
0.209
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
1 758 distinct species · 18 884 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-1,5°C
Annual rain
1 929mm
Warmest m°
13,1°C
Coldest m°
-17,3°C
Elevation: 2 360 m on average (min 1 733 m, max 2 831 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-1,5°C
Annual rain
1 929mm
Warmest month
13,1°C
Coldest month
-17,3°C
Mean alt.
2 360m
Min
1 733m
Max
2 831m
Std. dev.
269m
Köppen-Geiger (dominant)
ETPolar, tundra(63 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,3
Org. C
61,7g/kg
Clay
17,1%
Sand
48,3%
Silt
34,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Hinterrhein
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
92,0g/kg
Clay
17,2%
Sand
47,7%
Silt
35,2%
5–15 cm
pH H₂O
5,3
Org. C
58,3g/kg
Clay
16,8%
Sand
48,4%
Silt
34,9%
15–30 cm
pH H₂O
5,3
Org. C
34,7g/kg
Clay
17,4%
Sand
49,0%
Silt
33,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.8%
Crops0.0%
Built-up0.0%
Bare soil18.0%
Other (grassland, water…)75.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
35,9km
Lake surface here
1,53km²
Basins crossed
1
Max stream order
3
Max drainage
1 681km²
Discharge in basins
3,1m³/s
Mean precip.
1 402mm/an
Mean T°
1,3°C
Moisture idx
0,65
Max snow
49%
Mean runoff
1 060mm/an
Mean elev. (basins)
2 068m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (12, ord ≥ 4)
- Averser Rheinord 3len here10.46 km100%total10 km
- Prumatänbachord 1len here5.24 km100%total5 km
- Madrischer Rheinord 2len here4.68 km50%total9 km
- Leidabachord 1len here4.14 km100%total4 km
- Torrente Valle dei Casariscord 2len here3.70 km61%total6 km
- Torrente Valle del Pian Vaccaord 2len here3.24 km76%total4 km
- Purderbachord 1len here1.31 km100%total1 km
- Starleraord 1len here1.29 km36%total4 km
- Torrente Valle di Mezzo al Mut Grandeord 2len here1.03 km100%total1 km
- Ragn da Ferreraord 3len here0.56 km13%total4 km
- Torrente Valle di Rebellaord 1len here0.17 km21%total1 km
- Puspesord 3len here0.08 km3%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
2,2%
Pesticides
23,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas32
IUCN IV · 32
Alp Platta
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
1 km²
Avers
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
1 km²
Ramsa
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Houliecht
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2021
0 km²
Jufer Alpa
IUCN IVFederal Inventory of Fenlands of National Importance · 1994
0 km²
Complete list32 protected areas
- PfruntFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20102 km²
- Alp PlattaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20101 km²
- AversFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20101 km²
- RamsaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- HouliechtFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- Jufer AlpaFederal Inventory of Fenlands of National ImportanceIUCN IV19940 km²
- BergalgaFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20010 km²
- Alp PlattaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- CampsutFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Vorder BergalgaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- AnzuatschFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- StettlialpaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Gletti/HubelbodaFederal Inventory of Fenlands of National ImportanceIUCN IV19940 km²
- HöjahusFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- HouliechtFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- StgavatschFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Gorisch HusFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- Plattner AlpaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- MacsurFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Groussa SteinaFederal Inventory of Fenlands of National ImportanceIUCN IV20200 km²
- Plattner BergaFederal Inventory of Fenlands of National ImportanceIUCN IV19940 km²
- CampsutFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- MacsurFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- JuferalpaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- ZurstabüelFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- HubelbodaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- ZurstabüelFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- CrötFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- Crester AlpaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- CrestaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- Alp PlattaFederal Inventory of Fenlands of National ImportanceIUCN IV20200 km²
- OberplattaFederal Inventory of Fenlands of National ImportanceIUCN IV20200 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN