Affluents de la Cère en Chataigneraie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2019
2 km²
Commune · FRA
Saint-Gérons
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 096
Observations
13 434
Area
18,9km²
Ecological tissue
Sample of 47 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 Saint-Gérons : 44 espèces + 3 bulles famille, 94 interactions GloBI documentées sur 6 types (connectance 8.7%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
47
Interactions affichées
94
Connectance
0.087
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
1 096 distinct species · 13 434 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
1 395mm
Warmest m°
23,3°C
Coldest m°
0,1°C
Elevation: 558 m on average (min 491 m, max 663 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
1 395mm
Warmest month
23,3°C
Coldest month
0,1°C
Mean alt.
558m
Min
491m
Max
663m
Std. dev.
44m
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
6,0
Org. C
48,5g/kg
Clay
20,2%
Sand
40,2%
Silt
39,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Cantal
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
77,2g/kg
Clay
20,4%
Sand
39,7%
Silt
40,0%
5–15 cm
pH H₂O
6,0
Org. C
42,8g/kg
Clay
20,2%
Sand
39,7%
Silt
40,1%
15–30 cm
pH H₂O
6,0
Org. C
25,3g/kg
Clay
20,1%
Sand
41,2%
Silt
38,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.5%
Crops29.0%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)35.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 2 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
6,5km
Lake surface here
1,38km²
Basins crossed
1
Max stream order
3
Max drainage
1 108km²
Discharge in basins
0,4m³/s
Mean precip.
842mm/an
Mean T°
9,8°C
Moisture idx
-0,06
Max snow
8%
Mean runoff
617mm/an
Mean elev. (basins)
690m
Watersheds crossing here
Lakes (2, top by area)
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
43,8%
Pesticides
0,4kg/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.