Ontologia

Commune · FRA

Gréalou

France

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

Species observed

1 014

Observations

3 752

Area

17,9km²

Ecological tissue

Sample of 39 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 Gréalou : 34 espèces + 5 bulles famille, 82 interactions GloBI documentées sur 5 types (connectance 11.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
82
Connectance
0.111
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

1 014 distinct species · 3 752 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 755 obs · 1 cellules
Obs. / cellule
≥ 3 755
3 755–3 754
3 755–3 754
3 755–3 754
< 3 755

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

Climate

Mean T°

12,2°C

Annual rain

1 006mm

Warmest m°

25,3°C

Coldest m°

1,4°C

Elevation: 336 m on average (min 247 m, max 368 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
1 006mm
Warmest month
25,3°C
Coldest month
1,4°C
Mean alt.
336m
Min
247m
Max
368m
Std. dev.
21m
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

37,4g/kg

Clay

31,4%

Sand

23,1%

Silt

45,6%

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

Dominant lithology: scGLiMaggregated to Lot

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
56,0g/kg
Clay
30,0%
Sand
23,1%
Silt
46,9%
5–15 cm
pH H₂O
6,6
Org. C
38,1g/kg
Clay
31,6%
Sand
22,4%
Silt
46,0%
15–30 cm
pH H₂O
6,6
Org. C
18,1g/kg
Clay
32,6%
Sand
23,7%
Silt
43,7%

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

Land cover

Forest31.5%
Crops32.2%
Built-up0.4%
Bare soil1.4%
Other (grassland, water…)34.5%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

7 394km²

Discharge in basins

0,9m³/s

Mean precip.

794mm/an

Mean T°

11,7°C

Moisture idx

-0,18

Max snow

3%

Mean runoff

427mm/an

Mean elev. (basins)

379m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

42,5%

Pesticides

36,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas3

IUCN Not Reported · 2IUCN V · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.