Ontologia

Commune · FRA

Varetz

France

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

Species observed

667

Observations

6 981

Area

20,1km²

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 Varetz : 26 espèces + 4 bulles famille, 42 interactions GloBI documentées sur 1 type (connectance 9.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
42
Connectance
0.097
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

667 distinct species · 6 981 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 981 obs · 1 cellules
Obs. / cellule
≥ 6 981
6 981–6 980
6 981–6 980
6 981–6 980
< 6 981

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

Climate

Mean T°

12,7°C

Annual rain

978mm

Warmest m°

25,8°C

Coldest m°

1,9°C

Elevation: 153 m on average (min 104 m, max 203 m)

Bioclimatic detailsExpert
Annual mean temp.
12,7°C
Annual rain
978mm
Warmest month
25,8°C
Coldest month
1,9°C
Mean alt.
153m
Min
104m
Max
203m
Std. dev.
31m
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

6,1

Org. C

43,8g/kg

Clay

23,7%

Sand

39,5%

Silt

36,9%

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

Dominant lithology: mtGLiMaggregated to Corrèze

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
81,3g/kg
Clay
23,8%
Sand
39,3%
Silt
36,9%
5–15 cm
pH H₂O
6,1
Org. C
31,4g/kg
Clay
22,7%
Sand
40,1%
Silt
37,2%
15–30 cm
pH H₂O
6,1
Org. C
18,8g/kg
Clay
24,6%
Sand
39,0%
Silt
36,4%

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

Land cover

Forest27.5%
Crops30.9%
Built-up1.6%
Bare soil0.4%
Other (grassland, water…)39.6%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,8km

Basins crossed

3

Max stream order

5

Max drainage

2 772km²

Discharge in basins

13,1m³/s

Mean precip.

911mm/an

Mean T°

11,9°C

Moisture idx

-0,06

Max snow

3%

Mean runoff

562mm/an

Mean elev. (basins)

227m

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

164,5%

Pesticides

27,3kg/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.