Ontologia

Commune · FRA

Long

France

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

Species observed

1 707

Observations

15 232

Area

9,6km²

Ecological tissue

Sample of 33 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 Long : 26 espèces reliées par 71 interactions GloBI sur 5 types (connectance 13.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
71
Connectance
0.135
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

1 707 distinct species · 15 232 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 232 obs · 1 cellules
Obs. / cellule
≥ 15 232
15 232–15 231
15 232–15 231
15 232–15 231
< 15 232

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

Climate

Mean T°

10,6°C

Annual rain

799mm

Warmest m°

21,7°C

Coldest m°

1,3°C

Elevation: 63 m on average (min 9 m, max 109 m)

Bioclimatic detailsExpert
Annual mean temp.
10,6°C
Annual rain
799mm
Warmest month
21,7°C
Coldest month
1,3°C
Mean alt.
63m
Min
9m
Max
109m
Std. dev.
33m
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

23,3g/kg

Clay

21,4%

Sand

14,1%

Silt

64,6%

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
6,7
Org. C
36,6g/kg
Clay
21,4%
Sand
13,6%
Silt
64,9%
5–15 cm
pH H₂O
7,0
Org. C
17,3g/kg
Clay
21,2%
Sand
13,3%
Silt
65,5%
15–30 cm
pH H₂O
6,9
Org. C
16,0g/kg
Clay
21,4%
Sand
15,4%
Silt
63,2%

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

Land cover

Forest19.1%
Crops50.1%
Built-up0.8%
Bare soil0.7%
Other (grassland, water…)29.3%

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

Hydrology1 basins · 3 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,7km

Lake surface here

0,92km²

Basins crossed

1

Max stream order

5

Max drainage

6 195km²

Discharge in basins

0,8m³/s

Mean precip.

657mm/an

Mean T°

10,3°C

Moisture idx

-0,09

Max snow

8%

Mean runoff

553mm/an

Mean elev. (basins)

75m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

80,7%

Pesticides

46,3kg/km²

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

Protected areas7

IUCN IV · 4IUCN Not Reported · 2IUCN V · 1🌊 Marine · 1

Moyenne vallee de la somme

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2008

2 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.