Ontologia

Commune · FRA

Châtillon-Saint-Jean

France

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

Species observed

1 440

Observations

16 867

Area

8,9km²

Ecological tissue

Sample of 34 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 Châtillon-Saint-Jean : 22 espèces reliées par 127 interactions GloBI sur 6 types (connectance 18.1%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
127
Connectance
0.181
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

1 440 distinct species · 16 867 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 867 obs · 1 cellules
Obs. / cellule
≥ 16 867
16 867–16 866
16 867–16 866
16 867–16 866
< 16 867

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

Climate

Mean T°

12,3°C

Annual rain

1 174mm

Warmest m°

26,5°C

Coldest m°

-0,8°C

Elevation: 246 m on average (min 188 m, max 330 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
1 174mm
Warmest month
26,5°C
Coldest month
-0,8°C
Mean alt.
246m
Min
188m
Max
330m
Std. dev.
36m
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

6,7

Org. C

45,3g/kg

Clay

24,8%

Sand

38,9%

Silt

36,4%

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

Dominant lithology: smGLiMaggregated to Drôme

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
81,0g/kg
Clay
22,7%
Sand
39,8%
Silt
37,6%
5–15 cm
pH H₂O
6,7
Org. C
34,9g/kg
Clay
21,7%
Sand
40,6%
Silt
37,8%
15–30 cm
pH H₂O
6,6
Org. C
19,9g/kg
Clay
30,1%
Sand
36,3%
Silt
33,7%

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

Land cover

Forest19.8%
Crops40.8%
Built-up2.0%
Bare soil1.8%
Other (grassland, water…)35.6%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,5km

Basins crossed

1

Max stream order

1

Max drainage

11 737km²

Discharge in basins

2,1m³/s

Mean precip.

886mm/an

Mean T°

11,2°C

Moisture idx

-0,06

Max snow

3%

Mean runoff

427mm/an

Mean elev. (basins)

317m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

198,7%

Pesticides

46,3kg/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.