Ontologia

Commune · FRA

Chélan

France

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

Species observed

1 410

Observations

20 960

Area

14,1km²

Ecological tissue

Sample of 37 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 Chélan : 25 espèces reliées par 109 interactions GloBI sur 6 types (connectance 15.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
109
Connectance
0.155
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

1 410 distinct species · 20 960 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 960 obs · 3 cellules
Obs. / cellule
≥ 8 197
8 197–8 196
8 197–8 196
7 746–8 196
< 7 746

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

Climate

Mean T°

13,2°C

Annual rain

878mm

Warmest m°

25,4°C

Coldest m°

2,0°C

Elevation: 261 m on average (min 235 m, max 313 m)

Bioclimatic detailsExpert
Annual mean temp.
13,2°C
Annual rain
878mm
Warmest month
25,4°C
Coldest month
2,0°C
Mean alt.
261m
Min
235m
Max
313m
Std. dev.
20m
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

39,4g/kg

Clay

22,8%

Sand

25,4%

Silt

51,8%

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

Dominant lithology: suGLiMaggregated to Gers

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
74,4g/kg
Clay
21,8%
Sand
25,3%
Silt
53,0%
5–15 cm
pH H₂O
6,1
Org. C
21,9g/kg
Clay
21,1%
Sand
25,4%
Silt
53,4%
15–30 cm
pH H₂O
6,1
Org. C
21,9g/kg
Clay
25,6%
Sand
25,5%
Silt
48,9%

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

Land cover

Forest15.8%
Crops57.9%
Built-up0.5%
Bare soil0.9%
Other (grassland, water…)24.9%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

5,9km

Basins crossed

1

Max stream order

2

Max drainage

1 239km²

Discharge in basins

0,1m³/s

Mean precip.

774mm/an

Mean T°

12,2°C

Moisture idx

-0,21

Max snow

1%

Mean runoff

275mm/an

Mean elev. (basins)

195m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

45,5%

Pesticides

46,5kg/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.