Ontologia

Commune · FRA

Douzains

France

CfbTemperate, no dry season, warm summer(67 %)

Species observed

784

Observations

9 462

Area

12,6km²

Ecological tissue

Sample of 38 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 Douzains : 31 espèces + 7 bulles famille, 84 interactions GloBI documentées sur 5 types (connectance 11.9%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
38
Interactions affichées
84
Connectance
0.119
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

784 distinct species · 9 462 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 466 obs · 1 cellules
Obs. / cellule
≥ 9 466
9 466–9 465
9 466–9 465
9 466–9 465
< 9 466

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

Climate

Mean T°

13,3°C

Annual rain

850mm

Warmest m°

26,4°C

Coldest m°

2,3°C

Elevation: 97 m on average (min 75 m, max 115 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
850mm
Warmest month
26,4°C
Coldest month
2,3°C
Mean alt.
97m
Min
75m
Max
115m
Std. dev.
13m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(67 %)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

28,9g/kg

Clay

33,1%

Sand

24,7%

Silt

42,3%

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
7,1
Org. C
51,5g/kg
Clay
31,8%
Sand
24,6%
Silt
43,5%
5–15 cm
pH H₂O
7,2
Org. C
18,8g/kg
Clay
32,7%
Sand
24,0%
Silt
43,3%
15–30 cm
pH H₂O
7,2
Org. C
16,4g/kg
Clay
34,7%
Sand
25,3%
Silt
40,1%

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

Land cover

Forest11.5%
Crops62.9%
Built-up0.7%
Bare soil1.7%
Other (grassland, water…)23.2%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,4km

Basins crossed

1

Max stream order

1

Max drainage

1 340km²

Discharge in basins

0,2m³/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

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

65,7%

Pesticides

44,4kg/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.