Ontologia

Commune · FRA

Ytrac

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

1 186

Observations

15 032

Area

38,7km²

Ecological tissue

Sample of 43 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 Ytrac : 37 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 6 bulles famille, 103 interactions GloBI documentées sur 4 types (connectance 11.4%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
43
Interactions affichées
103
Connectance
0.114
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 186 distinct species · 15 032 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 032 obs · 1 cellules
Obs. / cellule
≥ 15 032
15 032–15 031
15 032–15 031
15 032–15 031
< 15 032

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

10,5°C

Annual rain

1 451mm

Warmest m°

23,2°C

Coldest m°

-0,1°C

Elevation: 594 m on average (min 567 m, max 682 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
1 451mm
Warmest month
23,2°C
Coldest month
-0,1°C
Mean alt.
594m
Min
567m
Max
682m
Std. dev.
18m
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

42,5g/kg

Clay

23,5%

Sand

38,5%

Silt

38,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiMaggregated to Cantal

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
67,3g/kg
Clay
23,9%
Sand
38,2%
Silt
37,8%
5–15 cm
pH H₂O
6,0
Org. C
36,2g/kg
Clay
23,0%
Sand
38,4%
Silt
38,6%
15–30 cm
pH H₂O
6,0
Org. C
24,0g/kg
Clay
23,7%
Sand
38,9%
Silt
37,4%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest20.4%
Crops38.9%
Built-up1.2%
Bare soil0.2%
Other (grassland, water…)39.3%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

16,7km

Basins crossed

1

Max stream order

3

Max drainage

1 108km²

Discharge in basins

0,8m³/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

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

119,0%

Pesticides

29,6kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

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.