Ontologia

Commune · FRA

Derchigny

France

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

Species observed

603

Observations

2 843

Area

5,4km²

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 Derchigny : 24 espèces reliées par 126 interactions GloBI sur 6 types (connectance 21.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
126
Connectance
0.212
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

603 distinct species · 2 843 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 843 obs · 1 cellules
Obs. / cellule
≥ 2 843
2 843–2 842
2 843–2 842
2 843–2 842
< 2 843

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

949mm

Warmest m°

20,2°C

Coldest m°

2,4°C

Elevation: 99 m on average (min 77 m, max 110 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
949mm
Warmest month
20,2°C
Coldest month
2,4°C
Mean alt.
99m
Min
77m
Max
110m
Std. dev.
11m
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

6,7

Org. C

37,2g/kg

Clay

20,4%

Sand

22,1%

Silt

57,5%

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

Dominant lithology: smGLiMaggregated to Seine-Maritime

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
60,2g/kg
Clay
19,8%
Sand
21,8%
Silt
58,5%
5–15 cm
pH H₂O
6,7
Org. C
29,8g/kg
Clay
21,3%
Sand
21,1%
Silt
57,5%
15–30 cm
pH H₂O
6,7
Org. C
21,7g/kg
Clay
20,1%
Sand
23,4%
Silt
56,6%

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

Land cover

Forest13.0%
Crops53.7%
Built-up1.2%
Bare soil0.4%
Other (grassland, water…)31.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,0km

Basins crossed

2

Max stream order

1

Max drainage

1 015km²

Discharge in basins

0,1m³/s

Mean precip.

705mm/an

Mean T°

10,1°C

Moisture idx

-0,06

Max snow

9%

Mean runoff

575mm/an

Mean elev. (basins)

143m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

2,3nW

Built-up

120,5%

Pesticides

45,9kg/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.