Ontologia

Commune · FRA

Doudrac

France

CfaTemperate, no dry season, hot summer(62 %)

Species observed

650

Observations

3 047

Area

8,2km²

Ecological tissue

Sample of 33 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 Doudrac : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 75 interactions GloBI documentées sur 3 types (connectance 14.2%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
33
Interactions affichées
75
Connectance
0.142
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

650 distinct species · 3 047 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 047 obs · 1 cellules
Obs. / cellule
≥ 3 047
3 047–3 046
3 047–3 046
3 047–3 046
< 3 047

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

Climate

Mean T°

13,4°C

Annual rain

825mm

Warmest m°

26,5°C

Coldest m°

2,4°C

Elevation: 86 m on average (min 76 m, max 98 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
825mm
Warmest month
26,5°C
Coldest month
2,4°C
Mean alt.
86m
Min
76m
Max
98m
Std. dev.
5m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(62 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

34,6g/kg

Clay

34,8%

Sand

24,7%

Silt

40,5%

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

Dominant lithology: suGLiMaggregated to Lot-et-Garonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
54,8g/kg
Clay
34,0%
Sand
24,6%
Silt
41,4%
5–15 cm
pH H₂O
6,9
Org. C
29,8g/kg
Clay
34,5%
Sand
24,2%
Silt
41,4%
15–30 cm
pH H₂O
6,9
Org. C
19,1g/kg
Clay
35,8%
Sand
25,5%
Silt
38,7%

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

Land cover

Forest11.0%
Crops67.3%
Built-up0.5%
Bare soil1.2%
Other (grassland, water…)20.0%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

2,0km

Basins crossed

1

Max stream order

2

Max drainage

1 340km²

Discharge in basins

0,1m³/s

Mean precip.

849mm/an

Mean T°

12,4°C

Moisture idx

-0,14

Max snow

2%

Mean runoff

419mm/an

Mean elev. (basins)

100m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

45,1%

Pesticides

45,0kg/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.