Ontologia

Commune · FRA

Saint-Jean-de-Lier

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 813

Observations

24 486

Area

8,1km²

Ecological tissue

Sample of 38 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 Saint-Jean-de-Lier : 26 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
76
Connectance
0.108
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

1 813 distinct species · 24 486 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 486 obs · 3 cellules
Obs. / cellule
≥ 13 568
13 568–13 567
13 568–13 567
5 597–13 567
< 5 597

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

Climate

Mean T°

14,2°C

Annual rain

1 093mm

Warmest m°

26,9°C

Coldest m°

3,1°C

Elevation: 15 m on average (min 11 m, max 40 m)

Bioclimatic detailsExpert
Annual mean temp.
14,2°C
Annual rain
1 093mm
Warmest month
26,9°C
Coldest month
3,1°C
Mean alt.
15m
Min
11m
Max
40m
Std. dev.
4m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,7

Org. C

47,8g/kg

Clay

16,6%

Sand

48,5%

Silt

34,9%

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

Dominant lithology: suGLiMaggregated to Landes

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
78,7g/kg
Clay
16,0%
Sand
49,3%
Silt
34,8%
5–15 cm
pH H₂O
5,7
Org. C
39,8g/kg
Clay
16,4%
Sand
49,7%
Silt
33,9%
15–30 cm
pH H₂O
5,7
Org. C
24,8g/kg
Clay
17,4%
Sand
46,6%
Silt
36,1%

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

Land cover

Forest19.1%
Crops51.5%
Built-up0.6%
Bare soil1.3%
Other (grassland, water…)27.4%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

1,1km

Basins crossed

1

Max stream order

5

Max drainage

7 828km²

Discharge in basins

1,5m³/s

Mean precip.

1 121mm/an

Mean T°

13,0°C

Moisture idx

0,14

Max snow

5%

Mean runoff

710mm/an

Mean elev. (basins)

67m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

64,4%

Pesticides

47,6kg/km²

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

Protected areas2

IUCN Not Reported · 2🌊 Marine · 2

Barthes de l'Adour

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

122 km²

L'Adour

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

36 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.