Isla Glischa-Arvins-Seglias
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 1992
1 km²
Commune · CHE
Bever
Switzerland
ETPolar, tundra(73 %)
Species observed
818
Observations
9 206
Area
44,4km²
Ecological tissue
Sample of 25 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 Bever : 17 espèces reliées par 80 interactions GloBI sur 5 types (connectance 16.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
80
Connectance
0.161
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
818 distinct species · 9 206 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-2,5°C
Annual rain
1 623mm
Warmest m°
12,1°C
Coldest m°
-18,5°C
Elevation: 2 471 m on average (min 1 733 m, max 3 071 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-2,5°C
Annual rain
1 623mm
Warmest month
12,1°C
Coldest month
-18,5°C
Mean alt.
2 471m
Min
1 733m
Max
3 071m
Std. dev.
362m
Köppen-Geiger (dominant)
ETPolar, tundra(73 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,6
Org. C
61,9g/kg
Clay
17,3%
Sand
47,0%
Silt
35,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Maloja
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
95,4g/kg
Clay
17,7%
Sand
46,2%
Silt
36,0%
5–15 cm
pH H₂O
5,7
Org. C
54,9g/kg
Clay
16,7%
Sand
46,9%
Silt
36,4%
15–30 cm
pH H₂O
5,7
Org. C
35,4g/kg
Clay
17,5%
Sand
47,9%
Silt
34,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.1%
Crops0.4%
Built-up0.1%
Bare soil30.0%
Other (grassland, water…)61.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
12,6km
Basins crossed
2
Max stream order
4
Max drainage
1 681km²
Discharge in basins
1,4m³/s
Mean precip.
1 370mm/an
Mean T°
-0,4°C
Moisture idx
0,69
Max snow
54%
Mean runoff
1 028mm/an
Mean elev. (basins)
2 398m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
8,3%
Pesticides
12,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 3
Surent Pascul
IUCN IVFederal Inventory of Fenlands of National Importance · 2020
0 km²
Palüds-Agnas
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2001
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN