Ontologia

Department · FRA

Landes

France

CfbTemperate, no dry season, warm summer(76 %)

Species observed

11 261

Observations

1 419 869

Area

9 351,4km²

Ecological tissue

Sample of 44 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 Landes : 39 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 89 interactions GloBI documentées sur 4 types (connectance 9.4%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
44
Interactions affichées
89
Connectance
0.094
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

11 261 distinct species · 1 419 869 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 421 435 obs · 266 cellules
Obs. / cellule
≥ 28 010
11 294–28 009
5 861–11 293
4 044–5 860
< 4 044

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

Climate

Mean T°

14,0°C

Annual rain

1 069mm

Warmest m°

26,3°C

Coldest m°

3,5°C

Elevation: 69 m on average (min -15 m, max 205 m)

Bioclimatic detailsExpert
Annual mean temp.
14,0°C
Annual rain
1 069mm
Warmest month
26,3°C
Coldest month
3,5°C
Mean alt.
69m
Min
-15m
Max
205m
Std. dev.
37m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(76 %)Temperate

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

Soil & lithology

pH H₂O

5,8

Org. C

40,0g/kg

Clay

18,8%

Sand

49,8%

Silt

31,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
67,9g/kg
Clay
18,7%
Sand
50,1%
Silt
31,2%
5–15 cm
pH H₂O
5,8
Org. C
30,0g/kg
Clay
18,1%
Sand
50,9%
Silt
31,0%
15–30 cm
pH H₂O
5,8
Org. C
22,2g/kg
Clay
19,7%
Sand
48,4%
Silt
31,9%

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

Land cover

Forest41.7%
Crops24.6%
Built-up0.6%
Bare soil1.2%
Other (grassland, water…)31.9%

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

Hydrology29 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

1 843,6km

Lake surface here

104,20km²

Basins crossed

29

Max stream order

6

Max drainage

16 831km²

Discharge in basins

856,8m³/s

Mean precip.

1 075mm/an

Mean T°

12,8°C

Moisture idx

0,09

Max snow

13%

Mean runoff

592mm/an

Mean elev. (basins)

81m

Watersheds crossing here

20 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

63,0%

Pesticides

33,7kg/km²

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

Protected areas56

IUCN Not Reported · 33IUCN IV · 22IUCN V · 1🌊 Marine · 6

Barthes de l'Adour

IUCN Not Reported

Special Protection Area (Birds Directive) · 2019

156 km²

Barthes de l'Adour

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

122 km²

Complete list

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

Sub-administrations200

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.