Ontologia

Commune · FRA

Treillières

France

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

Species observed

1 080

Observations

22 253

Area

29,7km²

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 Treillières : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 79 interactions GloBI documentées sur 3 types (connectance 10.7%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
79
Connectance
0.107
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

1 080 distinct species · 22 253 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 253 obs · 1 cellules
Obs. / cellule
≥ 22 253
22 253–22 252
22 253–22 252
22 253–22 252
< 22 253

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

Climate

Mean T°

12,0°C

Annual rain

879mm

Warmest m°

23,3°C

Coldest m°

2,7°C

Elevation: 49 m on average (min 28 m, max 66 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
879mm
Warmest month
23,3°C
Coldest month
2,7°C
Mean alt.
49m
Min
28m
Max
66m
Std. dev.
10m
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

5,9

Org. C

35,5g/kg

Clay

17,9%

Sand

34,9%

Silt

47,2%

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

Dominant lithology: ssGLiMaggregated to Loire-Atlantique

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
58,0g/kg
Clay
17,2%
Sand
35,5%
Silt
47,3%
5–15 cm
pH H₂O
5,9
Org. C
25,8g/kg
Clay
18,3%
Sand
34,4%
Silt
47,4%
15–30 cm
pH H₂O
5,9
Org. C
22,7g/kg
Clay
18,1%
Sand
34,9%
Silt
47,0%

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

Land cover

Forest19.8%
Crops38.9%
Built-up3.4%
Bare soil0.4%
Other (grassland, water…)37.6%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,7km

Basins crossed

2

Max stream order

1

Max drainage

1 019km²

Discharge in basins

0,4m³/s

Mean precip.

751mm/an

Mean T°

11,4°C

Moisture idx

-0,09

Max snow

5%

Mean runoff

437mm/an

Mean elev. (basins)

44m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

3,5nW

Built-up

337,1%

Pesticides

44,2kg/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.