Ontologia

Commune · FRA

Biaudos

France

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

Species observed

1 632

Observations

38 979

Area

15,2km²

Ecological tissue

Sample of 39 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 Biaudos : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 5 types (connectance 11.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
87
Connectance
0.117
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

1 632 distinct species · 38 979 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 979 obs · 3 cellules
Obs. / cellule
≥ 20 024
20 024–20 023
20 024–20 023
12 199–20 023
< 12 199

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

Climate

Mean T°

14,4°C

Annual rain

1 375mm

Warmest m°

24,7°C

Coldest m°

4,8°C

Elevation: 26 m on average (min 2 m, max 38 m)

Bioclimatic detailsExpert
Annual mean temp.
14,4°C
Annual rain
1 375mm
Warmest month
24,7°C
Coldest month
4,8°C
Mean alt.
26m
Min
2m
Max
38m
Std. dev.
7m
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

5,2

Org. C

47,0g/kg

Clay

21,4%

Sand

38,7%

Silt

39,8%

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
5,1
Org. C
80,4g/kg
Clay
20,4%
Sand
38,2%
Silt
41,4%
5–15 cm
pH H₂O
5,3
Org. C
39,5g/kg
Clay
20,8%
Sand
39,2%
Silt
39,9%
15–30 cm
pH H₂O
5,3
Org. C
21,2g/kg
Clay
23,1%
Sand
38,7%
Silt
38,1%

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

Land cover

Forest46.0%
Crops26.5%
Built-up0.7%
Bare soil0.7%
Other (grassland, water…)26.2%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,9km

Basins crossed

2

Max stream order

2

Max drainage

15 788km²

Discharge in basins

3,2m³/s

Mean precip.

1 215mm/an

Mean T°

13,1°C

Moisture idx

0,24

Max snow

8%

Mean runoff

872mm/an

Mean elev. (basins)

119m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

70,4%

Pesticides

42,1kg/km²

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

Protected areas3

IUCN Not Reported · 3🌊 Marine · 2

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

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.