Ontologia

Commune · FRA

Bertre

France

CfaTemperate, no dry season, hot summer(83 %)

Species observed

765

Observations

3 874

Area

4,1km²

Ecological tissue

Sample of 35 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 Bertre : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 171 interactions GloBI sur 5 types (connectance 24.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
171
Connectance
0.243
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

765 distinct species · 3 874 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 874 obs · 1 cellules
Obs. / cellule
≥ 3 874
3 874–3 873
3 874–3 873
3 874–3 873
< 3 874

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

Climate

Mean T°

13,0°C

Annual rain

892mm

Warmest m°

26,1°C

Coldest m°

2,1°C

Elevation: 275 m on average (min 235 m, max 281 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
892mm
Warmest month
26,1°C
Coldest month
2,1°C
Mean alt.
275m
Min
235m
Max
281m
Std. dev.
9m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(83 %)Temperate

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

Soil & lithology

pH H₂O

7,2

Org. C

25,6g/kg

Clay

33,1%

Sand

26,1%

Silt

40,8%

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

Dominant lithology: ssGLiMaggregated to Tarn

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
43,9g/kg
Clay
31,2%
Sand
27,0%
Silt
41,7%
5–15 cm
pH H₂O
7,3
Org. C
16,3g/kg
Clay
31,9%
Sand
26,0%
Silt
42,0%
15–30 cm
pH H₂O
7,3
Org. C
16,7g/kg
Clay
36,3%
Sand
25,2%
Silt
38,5%

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

Land cover

Forest7.7%
Crops67.2%
Built-up0.5%
Bare soil2.8%
Other (grassland, water…)21.7%

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

2 580km²

Discharge in basins

0,1m³/s

Mean precip.

744mm/an

Mean T°

12,7°C

Moisture idx

-0,24

Max snow

1%

Mean runoff

286mm/an

Mean elev. (basins)

212m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

51,2%

Pesticides

43,7kg/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.