Ontologia

Commune · FRA

Le Crotoy

France

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

Species observed

2 416

Observations

45 084

Area

17,1km²

Ecological tissue

Sample of 40 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 Le Crotoy : 30 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 5 types (connectance 11.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
104
Connectance
0.115
Patrimoniales
5
Plus dense que (national)0 %(top 100%)

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

Species present

2 416 distinct species · 45 084 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

45 084 obs · 1 cellules
Obs. / cellule
≥ 45 084
45 084–45 083
45 084–45 083
45 084–45 083
< 45 084

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

Climate

Mean T°

11,1°C

Annual rain

880mm

Warmest m°

20,7°C

Coldest m°

2,6°C

Elevation: 5 m on average (min 4 m, max 8 m)

Bioclimatic detailsExpert
Annual mean temp.
11,1°C
Annual rain
880mm
Warmest month
20,7°C
Coldest month
2,6°C
Mean alt.
5m
Min
4m
Max
8m
Std. dev.
1m
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

6,9

Org. C

35,0g/kg

Clay

23,2%

Sand

36,1%

Silt

40,7%

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

Dominant lithology: smGLiMaggregated to Somme

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
55,6g/kg
Clay
23,4%
Sand
36,1%
Silt
40,6%
5–15 cm
pH H₂O
6,9
Org. C
27,2g/kg
Clay
22,9%
Sand
36,3%
Silt
40,9%
15–30 cm
pH H₂O
7,0
Org. C
22,3g/kg
Clay
23,2%
Sand
36,0%
Silt
40,8%

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

Land cover

Forest7.5%
Crops43.9%
Built-up1.9%
Bare soil2.4%
Other (grassland, water…)44.3%

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

Hydrology2 basins · 4 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

2,5km

Lake surface here

1,25km²

Basins crossed

2

Max stream order

2

Max drainage

1 103km²

Discharge in basins

0,0m³/s

Mean precip.

642mm/an

Mean T°

10,5°C

Moisture idx

-0,09

Max snow

8%

Mean runoff

577mm/an

Mean elev. (basins)

40m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,9nW

Built-up

186,2%

Pesticides

45,5kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas8

IUCN Not Reported · 4IUCN V · 2IUCN IV · 2🌊 Marine · 8

Baie de Somme

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1998

190 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.