Ontologia

Commune · FRA

Castandet

France

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

Species observed

1 170

Observations

19 720

Area

17,5km²

Ecological tissue

Sample of 41 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 Castandet : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
90
Connectance
0.110
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

1 170 distinct species · 19 720 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 720 obs · 3 cellules
Obs. / cellule
≥ 12 552
12 552–12 551
12 552–12 551
4 637–12 551
< 4 637

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

Climate

Mean T°

13,9°C

Annual rain

937mm

Warmest m°

26,7°C

Coldest m°

2,8°C

Elevation: 89 m on average (min 71 m, max 104 m)

Bioclimatic detailsExpert
Annual mean temp.
13,9°C
Annual rain
937mm
Warmest month
26,7°C
Coldest month
2,8°C
Mean alt.
89m
Min
71m
Max
104m
Std. dev.
11m
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

5,8

Org. C

36,6g/kg

Clay

19,9%

Sand

44,2%

Silt

35,9%

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
5,7
Org. C
63,2g/kg
Clay
20,0%
Sand
44,2%
Silt
35,8%
5–15 cm
pH H₂O
5,7
Org. C
27,2g/kg
Clay
19,2%
Sand
44,8%
Silt
36,0%
15–30 cm
pH H₂O
5,8
Org. C
19,3g/kg
Clay
20,5%
Sand
43,7%
Silt
35,9%

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

Land cover

Forest21.5%
Crops48.6%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)28.8%

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

Hydrology2 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,5km

Lake surface here

0,06km²

Basins crossed

2

Max stream order

1

Max drainage

3 524km²

Discharge in basins

1,5m³/s

Mean precip.

949mm/an

Mean T°

12,6°C

Moisture idx

-0,05

Max snow

2%

Mean runoff

545mm/an

Mean elev. (basins)

103m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

50,7%

Pesticides

48,1kg/km²

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

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.