Étangs, landes, vallons tourbeux humides et ruisseaux à écrevisses de Chambaran
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
25 km²
Commune · FRA
Marnans
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 749
Observations
19 297
Area
6,4km²
Ecological tissue
Sample of 30 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 Marnans : 28 espèces + 2 bulles famille, 53 interactions GloBI documentées sur 4 types (connectance 12.2%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
30
Interactions affichées
53
Connectance
0.122
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
1 749 distinct species · 19 297 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,4°C
Annual rain
1 182mm
Warmest m°
24,1°C
Coldest m°
-2,4°C
Elevation: 568 m on average (min 498 m, max 602 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,4°C
Annual rain
1 182mm
Warmest month
24,1°C
Coldest month
-2,4°C
Mean alt.
568m
Min
498m
Max
602m
Std. dev.
29m
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
6,2
Org. C
35,9g/kg
Clay
22,7%
Sand
34,9%
Silt
42,4%
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
61,4g/kg
Clay
20,8%
Sand
36,4%
Silt
42,8%
5–15 cm
pH H₂O
6,3
Org. C
27,8g/kg
Clay
21,3%
Sand
35,0%
Silt
43,8%
15–30 cm
pH H₂O
6,3
Org. C
18,3g/kg
Clay
26,0%
Sand
33,4%
Silt
40,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest43.4%
Crops32.5%
Built-up0.4%
Bare soil1.0%
Other (grassland, water…)22.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
53 316km²
Discharge in basins
2,0m³/s
Mean precip.
932mm/an
Mean T°
10,6°C
Moisture idx
0,01
Max snow
6%
Mean runoff
458mm/an
Mean elev. (basins)
425m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
39,3%
Pesticides
45,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 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.