Ontologia

Commune · FRA

Arquian

France

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

Species observed

496

Observations

2 471

Area

34,2km²

Ecological tissue

Sample of 26 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 Arquian : 23 espèces + 3 bulles famille, 62 interactions GloBI documentées sur 2 types (connectance 19.1%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
26
Interactions affichées
62
Connectance
0.191
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

496 distinct species · 2 471 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 471 obs · 1 cellules
Obs. / cellule
≥ 2 471
2 471–2 470
2 471–2 470
2 471–2 470
< 2 471

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

836mm

Warmest m°

23,8°C

Coldest m°

0,7°C

Elevation: 211 m on average (min 171 m, max 256 m)

Bioclimatic detailsExpert
Annual mean temp.
11,1°C
Annual rain
836mm
Warmest month
23,8°C
Coldest month
0,7°C
Mean alt.
211m
Min
171m
Max
256m
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

6,8

Org. C

25,0g/kg

Clay

28,7%

Sand

25,3%

Silt

46,0%

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
6,6
Org. C
40,1g/kg
Clay
27,2%
Sand
26,5%
Silt
46,3%
5–15 cm
pH H₂O
6,9
Org. C
20,0g/kg
Clay
28,2%
Sand
25,5%
Silt
46,4%
15–30 cm
pH H₂O
6,8
Org. C
14,9g/kg
Clay
30,6%
Sand
24,0%
Silt
45,3%

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

Land cover

Forest23.9%
Crops51.5%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)23.7%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

10,3km

Basins crossed

1

Max stream order

2

Max drainage

36 607km²

Discharge in basins

6,0m³/s

Mean precip.

691mm/an

Mean T°

10,8°C

Moisture idx

-0,19

Max snow

5%

Mean runoff

239mm/an

Mean elev. (basins)

169m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

33,6%

Pesticides

47,3kg/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.