Marais de la haute Versoix et de Brou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2008
1 km²
Commune · CHE
Crassier
Switzerland
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 254
Observations
45 452
Area
2,5km²
Ecological tissue
Sample of 45 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 Crassier : 34 espèces reliées par 124 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
124
Connectance
0.125
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
3 254 distinct species · 45 452 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,9°C
Annual rain
1 233mm
Warmest m°
23,5°C
Coldest m°
-1,6°C
Elevation: 482 m on average (min 466 m, max 529 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,9°C
Annual rain
1 233mm
Warmest month
23,5°C
Coldest month
-1,6°C
Mean alt.
482m
Min
466m
Max
529m
Std. dev.
19m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
70,2g/kg
Clay
24,7%
Sand
40,2%
Silt
35,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Nyon
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
106,8g/kg
Clay
24,4%
Sand
39,6%
Silt
36,1%
5–15 cm
pH H₂O
6,2
Org. C
64,2g/kg
Clay
25,2%
Sand
39,4%
Silt
35,5%
15–30 cm
pH H₂O
6,2
Org. C
39,6g/kg
Clay
24,6%
Sand
41,8%
Silt
33,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.2%
Crops53.9%
Built-up2.7%
Bare soil1.3%
Other (grassland, water…)31.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Basins crossed
1
Max stream order
2
Max drainage
7 971km²
Discharge in basins
0,6m³/s
Mean precip.
1 059mm/an
Mean T°
8,9°C
Moisture idx
0,20
Max snow
14%
Mean runoff
1 008mm/an
Mean elev. (basins)
615m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
1,9nW
Built-up
268,4%
Pesticides
52,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 4IUCN Not Reported · 1
Marais Des Bidonnes
IUCN IVBiotope Protection Order · 1994
0 km²
Les Bidonnes
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2001
0 km²
Les Iles de Bogis
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 2003
0 km²
ens marais des bidonnes
IUCN IVLand acquired by a regional conservatory of natural areas · 1993
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN