Ontologia

Commune · FRA

Dechy

France

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

Species observed

1 354

Observations

17 485

Area

9,2km²

Ecological tissue

Sample of 36 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 Dechy : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 127 interactions GloBI sur 5 types (connectance 19.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
127
Connectance
0.191
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 354 distinct species · 17 485 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 485 obs · 1 cellules
Obs. / cellule
≥ 17 485
17 485–17 484
17 485–17 484
17 485–17 484
< 17 485

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

Climate

Mean T°

10,7°C

Annual rain

749mm

Warmest m°

22,4°C

Coldest m°

1,0°C

Elevation: 31 m on average (min 20 m, max 43 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
749mm
Warmest month
22,4°C
Coldest month
1,0°C
Mean alt.
31m
Min
20m
Max
43m
Std. dev.
10m
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

7,3

Org. C

27,0g/kg

Clay

25,5%

Sand

23,4%

Silt

51,0%

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

Dominant lithology: smGLiMaggregated to Nord

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
42,5g/kg
Clay
25,4%
Sand
23,0%
Silt
51,5%
5–15 cm
pH H₂O
7,4
Org. C
22,7g/kg
Clay
26,0%
Sand
22,8%
Silt
51,2%
15–30 cm
pH H₂O
7,4
Org. C
15,8g/kg
Clay
25,3%
Sand
24,5%
Silt
50,3%

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

Land cover

Forest10.7%
Crops57.3%
Built-up3.8%
Bare soil0.3%
Other (grassland, water…)28.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,3km

Basins crossed

1

Max stream order

1

Max drainage

6 079km²

Discharge in basins

0,4m³/s

Mean precip.

715mm/an

Mean T°

10,1°C

Moisture idx

-0,02

Max snow

7%

Mean runoff

434mm/an

Mean elev. (basins)

35m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

8,6nW

Built-up

381,5%

Pesticides

49,8kg/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.