Ontologia

Commune · FRA

La Chapelle-Janson

France

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

Species observed

866

Observations

9 313

Area

26,8km²

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

866 distinct species · 9 313 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 313 obs · 4 cellules
Obs. / cellule
≥ 7 395
7 395–7 394
1 049–7 394
1 049–1 048
< 1 049

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

Climate

Mean T°

10,9°C

Annual rain

897mm

Warmest m°

22,1°C

Coldest m°

2,0°C

Elevation: 148 m on average (min 90 m, max 217 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
897mm
Warmest month
22,1°C
Coldest month
2,0°C
Mean alt.
148m
Min
90m
Max
217m
Std. dev.
38m
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

37,6g/kg

Clay

20,9%

Sand

16,2%

Silt

62,9%

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

Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
62,7g/kg
Clay
20,0%
Sand
16,4%
Silt
63,6%
5–15 cm
pH H₂O
6,0
Org. C
27,7g/kg
Clay
20,6%
Sand
15,6%
Silt
63,8%
15–30 cm
pH H₂O
6,0
Org. C
22,5g/kg
Clay
22,2%
Sand
16,6%
Silt
61,3%

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

Land cover

Forest12.3%
Crops54.2%
Built-up1.1%
Bare soil0.4%
Other (grassland, water…)32.1%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

5,8km

Basins crossed

1

Max stream order

2

Max drainage

1 112km²

Discharge in basins

0,5m³/s

Mean precip.

748mm/an

Mean T°

11,0°C

Moisture idx

-0,03

Max snow

6%

Mean runoff

573mm/an

Mean elev. (basins)

91m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

105,7%

Pesticides

45,7kg/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.