Greina
IUCN IVFederal Hunting Reserves · 1992
60 km²
Commune · CHE
Medel (Lucmagn)
Switzerland
ETPolar, tundra(58 %)
Species observed
3 394
Observations
49 568
Area
134,9km²
Ecological tissue
Sample of 39 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 Medel (Lucmagn) : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 119 interactions GloBI sur 5 types (connectance 14.5%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
119
Connectance
0.145
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
3 394 distinct species · 49 568 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-0,9°C
Annual rain
2 198mm
Warmest m°
13,4°C
Coldest m°
-15,6°C
Elevation: 2 191 m on average (min 1 243 m, max 2 876 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-0,9°C
Annual rain
2 198mm
Warmest month
13,4°C
Coldest month
-15,6°C
Mean alt.
2 191m
Min
1 243m
Max
2 876m
Std. dev.
383m
Köppen-Geiger (dominant)
ETPolar, tundra(58 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
70,6g/kg
Clay
22,4%
Sand
39,8%
Silt
37,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Surselva
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
105,9g/kg
Clay
22,9%
Sand
39,0%
Silt
38,1%
5–15 cm
pH H₂O
5,4
Org. C
66,7g/kg
Clay
22,3%
Sand
39,6%
Silt
38,1%
15–30 cm
pH H₂O
5,5
Org. C
39,3g/kg
Clay
22,0%
Sand
40,7%
Silt
37,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.1%
Crops0.1%
Built-up0.1%
Bare soil20.5%
Other (grassland, water…)66.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
35,5km
Lake surface here
0,84km²
Basins crossed
2
Max stream order
3
Max drainage
1 510km²
Discharge in basins
4,9m³/s
Mean precip.
1 639mm/an
Mean T°
1,6°C
Moisture idx
0,69
Max snow
47%
Mean runoff
1 220mm/an
Mean elev. (basins)
1 952m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (7, ord ≥ 4)
- Rein da Medelord 3len here14.49 km100%total14 km
- Cristallina Rheinord 2len here9.20 km100%total9 km
- Rein da Plattasord 2len here6.00 km100%total6 km
- Rein da Sumvitgord 4len here3.39 km13%total25 km
- Rein Anteriurord 5len here1.60 km2%total91 km
- Reno di Medelord 1len here0.59 km12%total5 km
- Rain Anteriurord 3len here0.25 km1%total21 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
7,3%
Pesticides
3,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas22
IUCN IV · 14IUCN Not Assigned · 7IUCN Ia · 1
Pez Vial/Greina
IUCN IVFederal Hunting Reserves · 1992
35 km²
Glatscher da Lavaz
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 2001
2 km²
Glatscher da Plattas
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 2001
2 km²
Palius
IUCN Not AssignedForest Reserves · 2023
1 km²
Glatscher Davos la Buora
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 2001
1 km²
Complete list22 protected areas
- GreinaFederal Hunting ReservesIUCN IV199260 km²
- Pez Vial/GreinaFederal Hunting ReservesIUCN IV199235 km²
- Glatscher da LavazFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20012 km²
- Glatscher da PlattasFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20012 km²
- PaliusForest ReservesIUCN Not Assigned20231 km²
- Glatscher Davos la BuoraFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20011 km²
- SolivaForest ReservesIUCN Not Assigned20231 km²
- Val CristallinaFederal Inventory of Alluvial Zones of National ImportanceIUCN IV20170 km²
- SolivaForest ReservesIUCN Not Assigned20230 km²
- Alp SolivaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- PaliusFederal Inventory of Fenlands of National ImportanceIUCN IV19940 km²
- Plaun dall'OgnaForest ReservesIUCN Not Assigned20230 km²
- ClavarutFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- ClavasurasFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- Palius (Val Mutschnengia)Federal Inventory of Raised and Transitional Mires of National ImportanceIUCN Ia19910 km²
- Stavels VedersFederal Inventory of Fenlands of National ImportanceIUCN IV19940 km²
- Alp SuraFederal Inventory of Fenlands of National ImportanceIUCN IV20200 km²
- MasaunaFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- SurtatschasFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20210 km²
- Trutgatsch ostForest ReservesIUCN Not Assigned20230 km²
- Trutgatsch westForest ReservesIUCN Not Assigned20230 km²
- Plaun PardatschForest ReservesIUCN Not Assigned20230 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN