Ontologia

Commune · FRA

Sévrier

France

CfbTemperate, no dry season, warm summer(84 %)

Species observed

2 321

Observations

28 059

Area

18,3km²

Ecological tissue

Sample of 34 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 Sévrier : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 105 interactions GloBI sur 5 types (connectance 15.8%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
105
Connectance
0.158
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

2 321 distinct species · 28 059 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 059 obs · 1 cellules
Obs. / cellule
≥ 28 059
28 059–28 058
28 059–28 058
28 059–28 058
< 28 059

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

Climate

Mean T°

9,7°C

Annual rain

1 545mm

Warmest m°

23,1°C

Coldest m°

-5,0°C

Elevation: 653 m on average (min 446 m, max 1 300 m)

Bioclimatic detailsExpert
Annual mean temp.
9,7°C
Annual rain
1 545mm
Warmest month
23,1°C
Coldest month
-5,0°C
Mean alt.
653m
Min
446m
Max
1 300m
Std. dev.
227m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(84 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

52,6g/kg

Clay

30,1%

Sand

30,5%

Silt

39,4%

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

Dominant lithology: scGLiMaggregated to Haute-Savoie

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
84,0g/kg
Clay
28,7%
Sand
30,7%
Silt
40,7%
5–15 cm
pH H₂O
6,3
Org. C
45,8g/kg
Clay
29,4%
Sand
30,3%
Silt
40,3%
15–30 cm
pH H₂O
6,3
Org. C
28,0g/kg
Clay
32,3%
Sand
30,5%
Silt
37,1%

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

Land cover

Forest42.5%
Crops4.4%
Built-up1.9%
Bare soil0.1%
Other (grassland, water…)51.1%

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

Hydrology1 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

1,9km

Lake surface here

5,50km²

Basins crossed

1

Max stream order

3

Max drainage

1 371km²

Discharge in basins

0,4m³/s

Mean precip.

1 129mm/an

Mean T°

7,8°C

Moisture idx

0,26

Max snow

20%

Mean runoff

714mm/an

Mean elev. (basins)

919m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

186,3%

Pesticides

44,1kg/km²

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

Protected areas7

IUCN IV · 5IUCN V · 1IUCN Not Reported · 1

Marais de l\'enfer

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2003

0 km²

Le clos berthet

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1985

0 km²

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.