Ontologia

Commune · FRA

Chasnans

France

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

Species observed

287

Observations

1 125

Area

7,9km²

Ecological tissue

Sample of 32 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 Chasnans : 25 espèces + 7 bulles famille, 69 interactions GloBI documentées sur 3 types (connectance 13.9%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
32
Interactions affichées
69
Connectance
0.139
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

287 distinct species · 1 125 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 125 obs · 1 cellules
Obs. / cellule
≥ 1 125
1 125–1 124
1 125–1 124
1 125–1 124
< 1 125

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

Climate

Mean T°

8,7°C

Annual rain

1 725mm

Warmest m°

21,2°C

Coldest m°

-2,8°C

Elevation: 759 m on average (min 686 m, max 830 m)

Bioclimatic detailsExpert
Annual mean temp.
8,7°C
Annual rain
1 725mm
Warmest month
21,2°C
Coldest month
-2,8°C
Mean alt.
759m
Min
686m
Max
830m
Std. dev.
40m
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

6,2

Org. C

63,8g/kg

Clay

41,3%

Sand

17,8%

Silt

40,8%

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

Dominant lithology: scGLiMaggregated to Doubs

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
100,4g/kg
Clay
40,7%
Sand
17,6%
Silt
41,7%
5–15 cm
pH H₂O
6,2
Org. C
58,0g/kg
Clay
41,7%
Sand
17,2%
Silt
41,1%
15–30 cm
pH H₂O
6,2
Org. C
33,0g/kg
Clay
41,6%
Sand
18,8%
Silt
39,5%

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

Land cover

Forest30.9%
Crops32.1%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)36.1%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

1 656km²

Discharge in basins

0,2m³/s

Mean precip.

1 110mm/an

Mean T°

8,9°C

Moisture idx

0,27

Max snow

15%

Mean runoff

824mm/an

Mean elev. (basins)

550m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

46,3%

Pesticides

8,3kg/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.