Ontologia

Commune · FRA

Frelinghien

France

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

Species observed

814

Observations

6 965

Area

11,1km²

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 Frelinghien : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 6 types (connectance 18.7%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
118
Connectance
0.187
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

814 distinct species · 6 965 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 965 obs · 1 cellules
Obs. / cellule
≥ 6 965
6 965–6 964
6 965–6 964
6 965–6 964
< 6 965

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

795mm

Warmest m°

22,1°C

Coldest m°

1,2°C

Elevation: 18 m on average (min 14 m, max 25 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
795mm
Warmest month
22,1°C
Coldest month
1,2°C
Mean alt.
18m
Min
14m
Max
25m
Std. dev.
2m
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

25,4g/kg

Clay

21,6%

Sand

21,4%

Silt

57,0%

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
6,8
Org. C
39,8g/kg
Clay
22,1%
Sand
21,1%
Silt
56,8%
5–15 cm
pH H₂O
7,0
Org. C
18,1g/kg
Clay
22,2%
Sand
21,1%
Silt
56,7%
15–30 cm
pH H₂O
7,0
Org. C
18,2g/kg
Clay
20,6%
Sand
21,9%
Silt
57,6%

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

Land cover

Forest5.4%
Crops62.3%
Built-up2.2%
Bare soil1.3%
Other (grassland, water…)28.8%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,3km

Basins crossed

3

Max stream order

4

Max drainage

3 365km²

Discharge in basins

0,4m³/s

Mean precip.

669mm/an

Mean T°

10,2°C

Moisture idx

-0,05

Max snow

7%

Mean runoff

463mm/an

Mean elev. (basins)

31m

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

2,6nW

Built-up

223,6%

Pesticides

48,3kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Vallée de la Lys

IUCN Not Reported

Special Protection Area (Birds Directive) · 2016

4 km²

Vallée de la Lys

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

4 km²

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.