Ontologia

Commune · FRA

Grèges

France

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

Species observed

1 212

Observations

7 650

Area

3,2km²

Ecological tissue

Sample of 36 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 Grèges : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 6 types (connectance 14.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
92
Connectance
0.146
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 212 distinct species · 7 650 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 650 obs · 1 cellules
Obs. / cellule
≥ 7 650
7 650–7 649
7 650–7 649
7 650–7 649
< 7 650

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

Climate

Mean T°

10,7°C

Annual rain

904mm

Warmest m°

20,3°C

Coldest m°

2,4°C

Elevation: 90 m on average (min 55 m, max 95 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
904mm
Warmest month
20,3°C
Coldest month
2,4°C
Mean alt.
90m
Min
55m
Max
95m
Std. dev.
8m
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

45,8g/kg

Clay

17,9%

Sand

22,6%

Silt

59,4%

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

Dominant lithology: smGLiMaggregated to Seine-Maritime

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
72,6g/kg
Clay
17,2%
Sand
22,3%
Silt
60,4%
5–15 cm
pH H₂O
6,5
Org. C
36,4g/kg
Clay
18,3%
Sand
21,1%
Silt
60,5%
15–30 cm
pH H₂O
6,5
Org. C
28,5g/kg
Clay
18,2%
Sand
24,3%
Silt
57,4%

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

Land cover

Forest5.6%
Crops63.4%
Built-up2.3%
Bare soil0.3%
Other (grassland, water…)28.4%

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

1 015km²

Discharge in basins

0,0m³/s

Mean precip.

701mm/an

Mean T°

10,1°C

Moisture idx

-0,05

Max snow

9%

Mean runoff

578mm/an

Mean elev. (basins)

138m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,8nW

Built-up

225,9%

Pesticides

46,2kg/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.