Ontologia

Commune · FRA

Chasnay

France

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

Species observed

789

Observations

6 224

Area

11,7km²

Ecological tissue

Sample of 30 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 Chasnay : 27 espèces + 3 bulles famille, 54 interactions GloBI documentées sur 3 types (connectance 12.4%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
54
Connectance
0.124
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

789 distinct species · 6 224 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 224 obs · 1 cellules
Obs. / cellule
≥ 6 224
6 224–6 223
6 224–6 223
6 224–6 223
< 6 224

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

Climate

Mean T°

11,1°C

Annual rain

908mm

Warmest m°

24,0°C

Coldest m°

0,6°C

Elevation: 236 m on average (min 203 m, max 331 m)

Bioclimatic detailsExpert
Annual mean temp.
11,1°C
Annual rain
908mm
Warmest month
24,0°C
Coldest month
0,6°C
Mean alt.
236m
Min
203m
Max
331m
Std. dev.
25m
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

6,5

Org. C

33,4g/kg

Clay

32,2%

Sand

19,7%

Silt

48,1%

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

Dominant lithology: scGLiMaggregated to Nièvre

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
56,1g/kg
Clay
30,9%
Sand
20,8%
Silt
48,3%
5–15 cm
pH H₂O
6,6
Org. C
28,9g/kg
Clay
30,8%
Sand
18,8%
Silt
50,4%
15–30 cm
pH H₂O
6,6
Org. C
15,0g/kg
Clay
34,9%
Sand
19,6%
Silt
45,5%

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

Land cover

Forest21.9%
Crops56.2%
Built-up0.3%
Bare soil0.6%
Other (grassland, water…)21.0%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,5km

Basins crossed

1

Max stream order

2

Max drainage

34 086km²

Discharge in basins

2,5m³/s

Mean precip.

740mm/an

Mean T°

10,7°C

Moisture idx

-0,15

Max snow

6%

Mean runoff

256mm/an

Mean elev. (basins)

200m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

30,4%

Pesticides

44,6kg/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.