Ontologia

Commune · FRA

Decazeville

France

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

Species observed

530

Observations

9 538

Area

14,5km²

Ecological tissue

Sample of 34 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 Decazeville : 29 espèces + 5 bulles famille, 54 interactions GloBI documentées sur 5 types (connectance 9.6%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
54
Connectance
0.096
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

530 distinct species · 9 538 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 870 obs · 9 cellules · 1893–2025
Obs. / cellule
≥ 7 845
7 845–7 844
662–7 844
208–661
< 208

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

Climate

Mean T°

12,4°C

Annual rain

924mm

Warmest m°

25,8°C

Coldest m°

1,1°C

Elevation: 280 m on average (min 199 m, max 351 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
924mm
Warmest month
25,8°C
Coldest month
1,1°C
Mean alt.
280m
Min
199m
Max
351m
Std. dev.
34m
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

6,5

Org. C

38,5g/kg

Clay

26,7%

Sand

31,7%

Silt

41,7%

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

Dominant lithology: scGLiMaggregated to Aveyron

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
68,2g/kg
Clay
26,8%
Sand
32,2%
Silt
41,0%
5–15 cm
pH H₂O
6,6
Org. C
28,3g/kg
Clay
27,0%
Sand
31,9%
Silt
41,2%
15–30 cm
pH H₂O
6,5
Org. C
19,0g/kg
Clay
26,3%
Sand
31,0%
Silt
42,8%

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

Land cover

Forest38.6%
Crops18.3%
Built-up3.5%
Bare soil0.6%
Other (grassland, water…)38.9%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,3km

Basins crossed

1

Max stream order

5

Max drainage

7 394km²

Discharge in basins

1,4m³/s

Mean precip.

779mm/an

Mean T°

12,0°C

Moisture idx

-0,20

Max snow

2%

Mean runoff

396mm/an

Mean elev. (basins)

339m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,9nW

Built-up

353,8%

Pesticides

20,9kg/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.