Section à moules perlières de la Truyère
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2019
0 km²
Commune · FRA
Chaulhac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
658
Observations
3 127
Area
9,7km²
Ecological tissue
Sample of 35 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 Chaulhac : 29 espèces + 6 bulles famille, 75 interactions GloBI documentées sur 4 types (connectance 12.6%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
75
Connectance
0.126
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
658 distinct species · 3 127 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,6°C
Annual rain
793mm
Warmest m°
21,9°C
Coldest m°
-2,3°C
Elevation: 922 m on average (min 808 m, max 1 014 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,6°C
Annual rain
793mm
Warmest month
21,9°C
Coldest month
-2,3°C
Mean alt.
922m
Min
808m
Max
1 014m
Std. dev.
51m
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
6,4
Org. C
42,8g/kg
Clay
20,1%
Sand
43,0%
Silt
36,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Lozère
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
65,9g/kg
Clay
19,7%
Sand
43,5%
Silt
36,8%
5–15 cm
pH H₂O
6,4
Org. C
40,1g/kg
Clay
19,3%
Sand
43,4%
Silt
37,4%
15–30 cm
pH H₂O
6,4
Org. C
22,5g/kg
Clay
21,3%
Sand
42,3%
Silt
36,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.0%
Crops33.5%
Built-up0.2%
Bare soil0.8%
Other (grassland, water…)31.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,5km
Basins crossed
1
Max stream order
4
Max drainage
916km²
Discharge in basins
0,2m³/s
Mean precip.
791mm/an
Mean T°
7,8°C
Moisture idx
-0,02
Max snow
16%
Mean runoff
410mm/an
Mean elev. (basins)
1 040m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
21,6%
Pesticides
2,0kg/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.