Ontologia

Commune · FRA

Tréhet

France

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

Species observed

849

Observations

4 085

Area

5,6km²

Ecological tissue

Sample of 34 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 Tréhet : 30 espèces + 4 bulles famille, 72 interactions GloBI documentées sur 4 types (connectance 12.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
72
Connectance
0.128
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

849 distinct species · 4 085 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 085 obs · 1 cellules
Obs. / cellule
≥ 4 085
4 085–4 084
4 085–4 084
4 085–4 084
< 4 085

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

Climate

Mean T°

11,7°C

Annual rain

681mm

Warmest m°

23,9°C

Coldest m°

1,8°C

Elevation: 68 m on average (min 56 m, max 98 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
681mm
Warmest month
23,9°C
Coldest month
1,8°C
Mean alt.
68m
Min
56m
Max
98m
Std. dev.
13m
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

6,4

Org. C

32,0g/kg

Clay

19,9%

Sand

32,4%

Silt

47,8%

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

Dominant lithology: scGLiMaggregated to Loir-et-Cher

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
53,7g/kg
Clay
19,9%
Sand
32,6%
Silt
47,4%
5–15 cm
pH H₂O
6,5
Org. C
25,4g/kg
Clay
19,0%
Sand
32,8%
Silt
48,3%
15–30 cm
pH H₂O
6,5
Org. C
16,7g/kg
Clay
20,7%
Sand
31,6%
Silt
47,7%

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

Land cover

Forest16.6%
Crops53.3%
Built-up0.4%
Bare soil0.5%
Other (grassland, water…)29.1%

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

Hydrology1 basins · 3 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,7km

Lake surface here

0,41km²

Basins crossed

1

Max stream order

5

Max drainage

8 211km²

Discharge in basins

0,1m³/s

Mean precip.

684mm/an

Mean T°

11,2°C

Moisture idx

-0,21

Max snow

5%

Mean runoff

205mm/an

Mean elev. (basins)

84m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

40,6%

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.