Vallon Du Rossand
IUCN IVBiotope Protection Order · 1982
2 km²
Commune · FRA
Courzieu
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 538
Observations
16 209
Area
27,1km²
Ecological tissue
Sample of 29 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 Courzieu : 24 espèces + 5 bulles famille, 53 interactions GloBI documentées sur 4 types (connectance 13.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
29
Interactions affichées
53
Connectance
0.131
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
1 538 distinct species · 16 209 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,4°C
Annual rain
852mm
Warmest m°
24,0°C
Coldest m°
-1,5°C
Elevation: 553 m on average (min 319 m, max 851 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,4°C
Annual rain
852mm
Warmest month
24,0°C
Coldest month
-1,5°C
Mean alt.
553m
Min
319m
Max
851m
Std. dev.
146m
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
5,9
Org. C
38,6g/kg
Clay
23,6%
Sand
41,0%
Silt
35,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Rhône
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
58,2g/kg
Clay
22,7%
Sand
41,4%
Silt
35,8%
5–15 cm
pH H₂O
5,9
Org. C
35,0g/kg
Clay
22,9%
Sand
41,2%
Silt
35,9%
15–30 cm
pH H₂O
6,0
Org. C
22,7g/kg
Clay
25,2%
Sand
40,4%
Silt
34,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest55.6%
Crops22.0%
Built-up0.5%
Bare soil0.8%
Other (grassland, water…)21.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
5,8km
Basins crossed
2
Max stream order
2
Max drainage
50 028km²
Discharge in basins
2,2m³/s
Mean precip.
817mm/an
Mean T°
9,9°C
Moisture idx
-0,04
Max snow
8%
Mean runoff
325mm/an
Mean elev. (basins)
486m
Watersheds crossing here
Rivers / streams (5, 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
54,3%
Pesticides
43,4kg/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.