Ontologia

Commune · FRA

Biganos

France

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

Species observed

3 211

Observations

142 429

Area

53,9km²

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 Biganos : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
92
Connectance
0.124
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

3 211 distinct species · 142 429 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

142 429 obs · 6 cellules
Obs. / cellule
≥ 63 861
63 861–63 860
23 895–63 860
20 671–23 894
< 20 671

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

892mm

Warmest m°

25,5°C

Coldest m°

4,2°C

Elevation: 20 m on average (min -7 m, max 43 m)

Bioclimatic detailsExpert
Annual mean temp.
14,0°C
Annual rain
892mm
Warmest month
25,5°C
Coldest month
4,2°C
Mean alt.
20m
Min
-7m
Max
43m
Std. dev.
12m
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

6,0

Org. C

38,1g/kg

Clay

24,1%

Sand

50,1%

Silt

25,8%

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

Dominant lithology: suGLiMaggregated to Gironde

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
63,2g/kg
Clay
23,1%
Sand
51,1%
Silt
25,6%
5–15 cm
pH H₂O
6,0
Org. C
30,3g/kg
Clay
24,2%
Sand
50,3%
Silt
25,5%
15–30 cm
pH H₂O
6,0
Org. C
20,9g/kg
Clay
24,8%
Sand
48,9%
Silt
26,3%

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

Land cover

Forest51.2%
Crops9.8%
Built-up2.8%
Bare soil0.4%
Other (grassland, water…)35.8%

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

Hydrology3 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

16,4km

Basins crossed

3

Max stream order

4

Max drainage

2 315km²

Discharge in basins

0,7m³/s

Mean precip.

1 036mm/an

Mean T°

12,7°C

Moisture idx

0,08

Max snow

11%

Mean runoff

472mm/an

Mean elev. (basins)

58m

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

Human pressure

Pop. density

1hab/km²

Night light

1,5nW

Built-up

277,2%

Pesticides

4,9kg/km²

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

Protected areas10

IUCN Not Reported · 5IUCN IV · 3IUCN V · 2🌊 Marine · 7
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.