Ontologia

Commune · FRA

L'Union

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 923

Observations

22 241

Area

6,7km²

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

1 923 distinct species · 22 241 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 241 obs · 2 cellules
Obs. / cellule
≥ 14 663
14 663–14 662
14 663–14 662
14 663–14 662
< 14 663

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

Climate

Mean T°

13,7°C

Annual rain

673mm

Warmest m°

27,1°C

Coldest m°

2,3°C

Elevation: 154 m on average (min 133 m, max 187 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
673mm
Warmest month
27,1°C
Coldest month
2,3°C
Mean alt.
154m
Min
133m
Max
187m
Std. dev.
16m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,0

Org. C

24,1g/kg

Clay

29,1%

Sand

28,4%

Silt

42,5%

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

Dominant lithology: suGLiMaggregated to Haute-Garonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
43,7g/kg
Clay
27,2%
Sand
28,7%
Silt
44,0%
5–15 cm
pH H₂O
7,1
Org. C
13,7g/kg
Clay
28,6%
Sand
28,0%
Silt
43,4%
15–30 cm
pH H₂O
7,0
Org. C
14,9g/kg
Clay
31,5%
Sand
28,4%
Silt
40,1%

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

Land cover

Forest4.4%
Crops6.0%
Built-up16.4%
Bare soil0.6%
Other (grassland, water…)72.6%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

2,7km

Basins crossed

1

Max stream order

3

Max drainage

1 516km²

Discharge in basins

0,1m³/s

Mean precip.

741mm/an

Mean T°

12,7°C

Moisture idx

-0,24

Max snow

1%

Mean runoff

274mm/an

Mean elev. (basins)

212m

Watersheds crossing here

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

Human pressure

Pop. density

11hab/km²

Night light

9,8nW

Built-up

1 644,5%

Pesticides

44,8kg/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.