Ontologia

Commune · FRA

Bessens

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

716

Observations

1 841

Area

9,7km²

Ecological tissue

Sample of 37 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 Bessens : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 80 interactions GloBI documentées sur 5 types (connectance 12.0%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
80
Connectance
0.120
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

716 distinct species · 1 841 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 860 obs · 6 cellules · 1985–2025
Obs. / cellule
≥ 1 369
1 369–1 368
348–1 368
103–347
< 103

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,7°C

Annual rain

662mm

Warmest m°

27,0°C

Coldest m°

2,4°C

Elevation: 118 m on average (min 94 m, max 136 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
662mm
Warmest month
27,0°C
Coldest month
2,4°C
Mean alt.
118m
Min
94m
Max
136m
Std. dev.
15m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,8

Org. C

25,4g/kg

Clay

25,9%

Sand

28,6%

Silt

45,4%

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

Dominant lithology: suGLiMaggregated to Tarn-et-Garonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
42,4g/kg
Clay
24,9%
Sand
29,3%
Silt
45,7%
5–15 cm
pH H₂O
6,8
Org. C
16,1g/kg
Clay
24,2%
Sand
29,1%
Silt
46,7%
15–30 cm
pH H₂O
6,8
Org. C
17,7g/kg
Clay
28,7%
Sand
27,4%
Silt
43,9%

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

Land cover

Forest20.1%
Crops43.4%
Built-up2.0%
Bare soil1.6%
Other (grassland, water…)33.0%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

15 107km²

Discharge in basins

1,0m³/s

Mean precip.

740mm/an

Mean T°

12,5°C

Moisture idx

-0,24

Max snow

2%

Mean runoff

233mm/an

Mean elev. (basins)

170m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,9nW

Built-up

197,2%

Pesticides

44,6kg/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.