Marais Des Grandes Sagnes
IUCN IVBiotope Protection Order · 2010
0 km²
Commune · FRA
Villard-Saint-Christophe
France
DfbCold, no dry season, warm summer(48 %)
Species observed
2 423
Observations
84 477
Area
14,7km²
Ecological tissue
Sample of 17 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 Villard-Saint-Christophe : 14 espèces reliées par 35 interactions GloBI sur 4 types (connectance 25.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
17
Interactions affichées
35
Connectance
0.257
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
2 423 distinct species · 84 477 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,0°C
Annual rain
1 825mm
Warmest m°
18,9°C
Coldest m°
-8,8°C
Elevation: 1 458 m on average (min 981 m, max 1 929 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,0°C
Annual rain
1 825mm
Warmest month
18,9°C
Coldest month
-8,8°C
Mean alt.
1 458m
Min
981m
Max
1 929m
Std. dev.
358m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(48 %)Cold
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
72,1g/kg
Clay
29,5%
Sand
30,7%
Silt
39,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Isère
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
110,6g/kg
Clay
27,7%
Sand
31,4%
Silt
40,8%
5–15 cm
pH H₂O
6,4
Org. C
63,9g/kg
Clay
28,8%
Sand
31,3%
Silt
40,0%
15–30 cm
pH H₂O
6,4
Org. C
41,9g/kg
Clay
32,0%
Sand
29,4%
Silt
38,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest26.8%
Crops17.6%
Built-up0.2%
Bare soil3.1%
Other (grassland, water…)52.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Basins crossed
3
Max stream order
1
Max drainage
1 579km²
Discharge in basins
0,3m³/s
Mean precip.
1 384mm/an
Mean T°
3,2°C
Moisture idx
0,51
Max snow
39%
Mean runoff
505mm/an
Mean elev. (basins)
1 902m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
23,2%
Pesticides
45,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.