Swiss Alps Jungfrau-Aletsch
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2001
826 km²
District · CHE
West Raron
Switzerland
ETPolar, tundra(52 %)
Species observed
6 819
Observations
208 395
Area
274,4km²
Ecological tissue
Sample of 28 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 West Raron : 15 espèces reliées par 161 interactions GloBI sur 5 types (connectance 32.5%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
161
Connectance
0.325
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
6 819 distinct species · 208 395 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-0,5°C
Annual rain
1 656mm
Warmest m°
14,2°C
Coldest m°
-15,3°C
Elevation: 2 164 m on average (min 673 m, max 3 548 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-0,5°C
Annual rain
1 656mm
Warmest month
14,2°C
Coldest month
-15,3°C
Mean alt.
2 164m
Min
673m
Max
3 548m
Std. dev.
668m
Köppen-Geiger (dominant)
ETPolar, tundra(52 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
73,6g/kg
Clay
17,5%
Sand
42,4%
Silt
40,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
121,7g/kg
Clay
17,2%
Sand
42,0%
Silt
40,8%
5–15 cm
pH H₂O
6,3
Org. C
59,4g/kg
Clay
17,3%
Sand
42,4%
Silt
40,3%
15–30 cm
pH H₂O
6,3
Org. C
39,6g/kg
Clay
18,1%
Sand
42,7%
Silt
39,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.0%
Crops0.8%
Built-up0.4%
Bare soil19.6%
Other (grassland, water…)62.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 0 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
70,9km
Basins crossed
5
Max stream order
5
Max drainage
2 416km²
Discharge in basins
41,0m³/s
Mean precip.
1 713mm/an
Mean T°
1,2°C
Moisture idx
0,66
Max snow
57%
Mean runoff
1 095mm/an
Mean elev. (basins)
2 062m
Watersheds crossing here
Rivers / streams (11, ord ≥ 4)
- Lonzaord 2len here27.96 km81%total34 km
- Rottenord 5len here12.42 km12%total102 km
- Grossgrundkanalord 5len here6.65 km86%total8 km
- Gross Bietschiord 5len here5.73 km81%total7 km
- Jolibachord 1len here4.49 km100%total4 km
- Löübbachord 2len here3.83 km100%total4 km
- Baltschieder Bachord 2len here3.45 km35%total10 km
- Innere Talbachord 1len here2.18 km100%total2 km
- Gisentellaord 1len here1.87 km100%total2 km
- Jegi Bachord 1len here1.72 km100%total2 km
- Bietschbachord 5len here0.64 km100%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
35,7%
Pesticides
37,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas42
IUCN IV · 40IUCN Not Applicable · 1IUCN Not Assigned · 1
Alpjuhorn
IUCN IVFederal Hunting Reserves · 1992
58 km²
Wilerhorn
IUCN IVFederal Hunting Reserves · 1992
32 km²
Alp Untersteinberg und Breitlauenen
IUCN Not AssignedPrivate Nature Reserves · 2018
27 km²
Bietschhorn
IUCN IVFederal Hunting Reserves · 1992
13 km²
Langgletscher/Jegigletscher
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 1992
3 km²
Complete list42 protected areas
- Swiss Alps Jungfrau-AletschWorld Heritage Site (natural or mixed)IUCN Not Applicable2001826 km²
- AlpjuhornFederal Hunting ReservesIUCN IV199258 km²
- WilerhornFederal Hunting ReservesIUCN IV199232 km²
- Alp Untersteinberg und BreitlauenenPrivate Nature ReservesIUCN Not Assigned201827 km²
- BietschhornFederal Hunting ReservesIUCN IV199213 km²
- Langgletscher/JegigletscherFederal Inventory of Alluvial Zones of National ImportanceIUCN IV19923 km²
- NiedergestelnFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20171 km²
- ChalchofeFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- TännmattuFederal Inventory of Alluvial Zones of National ImportanceIUCN IV19920 km²
- JegisandFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20170 km²
- SädolFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- RitzmadFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- LengmüraFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- RufinuFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- RiedhalteFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- ChummaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- TurandFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- LeiggernFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- HeidnischbielFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20170 km²
- HaselleenFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- ChiemadmatteFederal Inventory of Alluvial Zones of National ImportanceIUCN IV19920 km²
- GiblattFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- HochastlerFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Undri BächiFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- FaldumalpFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- MuttFederal Inventory of Fenlands of National ImportanceIUCN IV19940 km²
- EggachraFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- GerynloibinaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- MattachraFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- BielaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- BlattFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- ChruiterreFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- GurruFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- WindeggeFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- ArbächnubelFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- ChummeFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Mittleri HellelaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Obri HellelaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Undri SenggalpFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- MilachraFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- MeiggeFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- TatzFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20170 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN