Ontologia

Commune · FRA

Saint-Drézéry

France

CsaTemperate, dry summer, hot summer(100 %)

Species observed

1 476

Observations

33 423

Area

10,4km²

Ecological tissue

Sample of 30 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 Saint-Drézéry : 24 espèces + 6 bulles famille, 63 interactions GloBI documentées sur 3 types (connectance 14.5%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
63
Connectance
0.145
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

1 476 distinct species · 33 423 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

33 423 obs · 1 cellules
Obs. / cellule
≥ 33 423
33 423–33 422
33 423–33 422
33 423–33 422
< 33 423

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

Climate

Mean T°

14,7°C

Annual rain

877mm

Warmest m°

29,6°C

Coldest m°

2,4°C

Elevation: 95 m on average (min 70 m, max 131 m)

Bioclimatic detailsExpert
Annual mean temp.
14,7°C
Annual rain
877mm
Warmest month
29,6°C
Coldest month
2,4°C
Mean alt.
95m
Min
70m
Max
131m
Std. dev.
16m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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

7,4

Org. C

34,3g/kg

Clay

26,8%

Sand

28,4%

Silt

44,7%

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

Dominant lithology: scGLiMaggregated to Hérault

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
56,7g/kg
Clay
26,0%
Sand
29,0%
Silt
44,9%
5–15 cm
pH H₂O
7,4
Org. C
27,2g/kg
Clay
25,7%
Sand
28,4%
Silt
45,9%
15–30 cm
pH H₂O
7,4
Org. C
18,8g/kg
Clay
28,8%
Sand
27,9%
Silt
43,4%

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

Land cover

Forest14.3%
Crops29.9%
Built-up2.6%
Bare soil3.2%
Other (grassland, water…)50.0%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,7km

Basins crossed

2

Max stream order

1

Max drainage

916km²

Discharge in basins

0,0m³/s

Mean precip.

750mm/an

Mean T°

13,8°C

Moisture idx

-0,26

Max snow

3%

Mean runoff

498mm/an

Mean elev. (basins)

42m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

2,6nW

Built-up

262,4%

Pesticides

39,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

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.