Ontologia

Commune · FRA

Berzème

France

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

Species observed

1 420

Observations

13 477

Area

18,3km²

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 Berzème : 33 espèces + 6 bulles famille, 62 interactions GloBI documentées sur 5 types (connectance 8.4%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
62
Connectance
0.084
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

1 420 distinct species · 13 477 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 745 obs · 8 cellules · 1500–2025
Obs. / cellule
≥ 11 935
11 935–11 934
641–11 934
314–640
< 314

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

10,7°C

Annual rain

1 422mm

Warmest m°

24,7°C

Coldest m°

-0,7°C

Elevation: 707 m on average (min 603 m, max 792 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
1 422mm
Warmest month
24,7°C
Coldest month
-0,7°C
Mean alt.
707m
Min
603m
Max
792m
Std. dev.
44m
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

6,7

Org. C

47,9g/kg

Clay

27,6%

Sand

34,1%

Silt

38,3%

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

Dominant lithology: mtGLiMaggregated to Ardèche

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
78,6g/kg
Clay
26,1%
Sand
35,3%
Silt
38,6%
5–15 cm
pH H₂O
6,7
Org. C
36,0g/kg
Clay
26,3%
Sand
35,1%
Silt
38,6%
15–30 cm
pH H₂O
6,7
Org. C
29,1g/kg
Clay
30,4%
Sand
31,8%
Silt
37,7%

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

Land cover

Forest21.6%
Crops42.2%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)35.2%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

70 572km²

Discharge in basins

11,5m³/s

Mean precip.

836mm/an

Mean T°

11,2°C

Moisture idx

-0,10

Max snow

9%

Mean runoff

435mm/an

Mean elev. (basins)

404m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

22,7%

Pesticides

43,3kg/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.