Ontologia

Commune · FRA

Culan

France

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

Species observed

1 117

Observations

7 139

Area

20,4km²

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 Culan : 27 espèces + 3 bulles famille, 63 interactions GloBI documentées sur 4 types (connectance 14.5%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
63
Connectance
0.145
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

1 117 distinct species · 7 139 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 139 obs · 1 cellules
Obs. / cellule
≥ 7 139
7 139–7 138
7 139–7 138
7 139–7 138
< 7 139

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

Climate

Mean T°

11,3°C

Annual rain

820mm

Warmest m°

24,2°C

Coldest m°

0,9°C

Elevation: 283 m on average (min 262 m, max 328 m)

Bioclimatic detailsExpert
Annual mean temp.
11,3°C
Annual rain
820mm
Warmest month
24,2°C
Coldest month
0,9°C
Mean alt.
283m
Min
262m
Max
328m
Std. dev.
13m
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

26,2g/kg

Clay

19,0%

Sand

47,6%

Silt

33,4%

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

Dominant lithology: scGLiMaggregated to Cher

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
41,7g/kg
Clay
18,1%
Sand
49,2%
Silt
32,7%
5–15 cm
pH H₂O
6,1
Org. C
22,5g/kg
Clay
18,3%
Sand
48,8%
Silt
33,0%
15–30 cm
pH H₂O
6,1
Org. C
14,3g/kg
Clay
20,5%
Sand
44,8%
Silt
34,6%

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

Land cover

Forest13.3%
Crops60.0%
Built-up0.8%
Bare soil0.3%
Other (grassland, water…)25.6%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

8,7km

Basins crossed

1

Max stream order

3

Max drainage

2 207km²

Discharge in basins

0,2m³/s

Mean precip.

730mm/an

Mean T°

10,9°C

Moisture idx

-0,17

Max snow

5%

Mean runoff

240mm/an

Mean elev. (basins)

196m

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

75,9%

Pesticides

41,8kg/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.