Ontologia

Commune · FRA

Orvault

France

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

Species observed

3 349

Observations

74 344

Area

27,6km²

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

3 349 distinct species · 74 344 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

74 344 obs · 4 cellules
Obs. / cellule
≥ 41 355
41 355–41 354
22 253–41 354
22 253–22 252
< 22 253

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

Climate

Mean T°

12,0°C

Annual rain

902mm

Warmest m°

23,2°C

Coldest m°

2,7°C

Elevation: 50 m on average (min 30 m, max 67 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
902mm
Warmest month
23,2°C
Coldest month
2,7°C
Mean alt.
50m
Min
30m
Max
67m
Std. dev.
10m
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

5,8

Org. C

40,3g/kg

Clay

18,3%

Sand

36,7%

Silt

45,0%

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

Dominant lithology: ssGLiMaggregated to Loire-Atlantique

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
64,4g/kg
Clay
18,5%
Sand
37,5%
Silt
43,9%
5–15 cm
pH H₂O
5,8
Org. C
33,8g/kg
Clay
18,7%
Sand
36,6%
Silt
44,7%
15–30 cm
pH H₂O
5,8
Org. C
22,7g/kg
Clay
17,8%
Sand
35,9%
Silt
46,2%

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

Land cover

Forest20.5%
Crops26.5%
Built-up6.4%
Bare soil0.3%
Other (grassland, water…)46.3%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

9,3km

Basins crossed

1

Max stream order

2

Max drainage

1 019km²

Discharge in basins

0,4m³/s

Mean precip.

751mm/an

Mean T°

11,4°C

Moisture idx

-0,09

Max snow

5%

Mean runoff

437mm/an

Mean elev. (basins)

44m

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

Human pressure

Pop. density

5hab/km²

Night light

14,3nW

Built-up

637,8%

Pesticides

44,2kg/km²

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

Protected areas1

IUCN IV · 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.