Ontologia

Commune · FRA

Les Trois-Pierres

France

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

Species observed

554

Observations

1 948

Area

7,2km²

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 Les Trois-Pierres : 23 espèces reliées par 60 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
60
Connectance
0.148
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

554 distinct species · 1 948 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 948 obs · 1 cellules
Obs. / cellule
≥ 1 948
1 948–1 947
1 948–1 947
1 948–1 947
< 1 948

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

981mm

Warmest m°

20,4°C

Coldest m°

2,4°C

Elevation: 114 m on average (min 98 m, max 125 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
981mm
Warmest month
20,4°C
Coldest month
2,4°C
Mean alt.
114m
Min
98m
Max
125m
Std. dev.
9m
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

6,3

Org. C

28,8g/kg

Clay

18,1%

Sand

14,9%

Silt

67,0%

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
6,3
Org. C
48,3g/kg
Clay
18,5%
Sand
14,5%
Silt
67,0%
5–15 cm
pH H₂O
6,4
Org. C
21,5g/kg
Clay
18,2%
Sand
14,3%
Silt
67,5%
15–30 cm
pH H₂O
6,4
Org. C
16,6g/kg
Clay
17,6%
Sand
15,8%
Silt
66,6%

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

Land cover

Forest7.1%
Crops63.3%
Built-up1.2%
Bare soil0.6%
Other (grassland, water…)27.9%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,1km

Basins crossed

3

Max stream order

2

Max drainage

73 249km²

Discharge in basins

1,3m³/s

Mean precip.

698mm/an

Mean T°

10,4°C

Moisture idx

-0,10

Max snow

9%

Mean runoff

588mm/an

Mean elev. (basins)

83m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

118,4%

Pesticides

46,0kg/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.