Ontologia

Commune · FRA

Berchères-Saint-Germain

France

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

Species observed

605

Observations

3 721

Area

28,9km²

Ecological tissue

Sample of 28 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 Berchères-Saint-Germain : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 4 types (connectance 14.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
56
Connectance
0.148
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

605 distinct species · 3 721 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 721 obs · 1 cellules
Obs. / cellule
≥ 3 721
3 721–3 720
3 721–3 720
3 721–3 720
< 3 721

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

666mm

Warmest m°

23,1°C

Coldest m°

0,8°C

Elevation: 164 m on average (min 145 m, max 190 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
666mm
Warmest month
23,1°C
Coldest month
0,8°C
Mean alt.
164m
Min
145m
Max
190m
Std. dev.
12m
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

23,5g/kg

Clay

30,4%

Sand

15,6%

Silt

54,0%

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

Dominant lithology: scGLiMaggregated to Eure-et-Loir

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
40,5g/kg
Clay
27,4%
Sand
16,0%
Silt
56,5%
5–15 cm
pH H₂O
6,6
Org. C
14,3g/kg
Clay
30,9%
Sand
14,9%
Silt
54,2%
15–30 cm
pH H₂O
6,6
Org. C
15,8g/kg
Clay
32,7%
Sand
15,9%
Silt
51,3%

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

Land cover

Forest5.2%
Crops84.7%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)9.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

7,4km

Basins crossed

2

Max stream order

1

Max drainage

2 091km²

Discharge in basins

0,6m³/s

Mean precip.

635mm/an

Mean T°

10,3°C

Moisture idx

-0,21

Max snow

7%

Mean runoff

237mm/an

Mean elev. (basins)

151m

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

32,8%

Pesticides

45,1kg/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.