Ontologia

Commune · FRA

Castéra-Verduzan

France

CfaTemperate, no dry season, hot summer(93 %)

Species observed

864

Observations

4 014

Area

20,1km²

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 Castéra-Verduzan : 40 espèces + 4 bulles famille, 103 interactions GloBI documentées sur 4 types (connectance 10.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
44
Interactions affichées
103
Connectance
0.109
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

864 distinct species · 4 014 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 014 obs · 1 cellules
Obs. / cellule
≥ 4 014
4 014–4 013
4 014–4 013
4 014–4 013
< 4 014

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

Climate

Mean T°

13,6°C

Annual rain

719mm

Warmest m°

26,5°C

Coldest m°

2,3°C

Elevation: 146 m on average (min 101 m, max 191 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
719mm
Warmest month
26,5°C
Coldest month
2,3°C
Mean alt.
146m
Min
101m
Max
191m
Std. dev.
20m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(93 %)Temperate

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

Soil & lithology

pH H₂O

7,1

Org. C

33,2g/kg

Clay

32,3%

Sand

22,2%

Silt

45,5%

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

Dominant lithology: suGLiMaggregated to Gers

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
64,6g/kg
Clay
30,8%
Sand
22,0%
Silt
47,2%
5–15 cm
pH H₂O
7,1
Org. C
17,4g/kg
Clay
31,7%
Sand
21,3%
Silt
47,0%
15–30 cm
pH H₂O
7,1
Org. C
17,7g/kg
Clay
34,4%
Sand
23,2%
Silt
42,5%

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

Land cover

Forest8.4%
Crops64.4%
Built-up0.7%
Bare soil3.3%
Other (grassland, water…)23.2%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

8,0km

Basins crossed

1

Max stream order

3

Max drainage

2 882km²

Discharge in basins

0,2m³/s

Mean precip.

816mm/an

Mean T°

12,2°C

Moisture idx

-0,17

Max snow

2%

Mean runoff

317mm/an

Mean elev. (basins)

185m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

70,0%

Pesticides

46,1kg/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.