Ontologia

Commune · FRA

Troncens

France

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

Species observed

1 090

Observations

4 824

Area

13,2km²

Ecological tissue

Sample of 43 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 Troncens : 32 espèces reliées par 103 interactions GloBI sur 6 types (connectance 11.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
103
Connectance
0.114
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

1 090 distinct species · 4 824 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 824 obs · 1 cellules
Obs. / cellule
≥ 4 824
4 824–4 823
4 824–4 823
4 824–4 823
< 4 824

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

Climate

Mean T°

13,1°C

Annual rain

922mm

Warmest m°

25,5°C

Coldest m°

1,8°C

Elevation: 239 m on average (min 204 m, max 309 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
922mm
Warmest month
25,5°C
Coldest month
1,8°C
Mean alt.
239m
Min
204m
Max
309m
Std. dev.
23m
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

6,1

Org. C

38,3g/kg

Clay

24,6%

Sand

24,5%

Silt

50,9%

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

Dominant lithology: suGLiMaggregated to Gers

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
75,1g/kg
Clay
23,8%
Sand
24,5%
Silt
51,6%
5–15 cm
pH H₂O
6,1
Org. C
17,5g/kg
Clay
24,1%
Sand
24,2%
Silt
51,6%
15–30 cm
pH H₂O
6,2
Org. C
22,5g/kg
Clay
25,8%
Sand
24,7%
Silt
49,4%

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

Land cover

Forest25.1%
Crops42.9%
Built-up0.4%
Bare soil1.2%
Other (grassland, water…)30.4%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,2km

Lake surface here

0,00km²

Basins crossed

1

Max stream order

1

Max drainage

911km²

Discharge in basins

0,2m³/s

Mean precip.

837mm/an

Mean T°

11,6°C

Moisture idx

-0,12

Max snow

3%

Mean runoff

466mm/an

Mean elev. (basins)

352m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

38,9%

Pesticides

44,9kg/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.