Ontologia

Commune · FRA

Viviers-du-Lac

France

CfaTemperate, no dry season, hot summer(88 %)

Species observed

2 428

Observations

43 568

Area

5,4km²

Ecological tissue

Sample of 40 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 Viviers-du-Lac : 32 espèces + 8 bulles famille, 100 interactions GloBI documentées sur 4 types (connectance 12.8%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
100
Connectance
0.128
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

2 428 distinct species · 43 568 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 568 obs · 1 cellules
Obs. / cellule
≥ 43 568
43 568–43 567
43 568–43 567
43 568–43 567
< 43 568

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

Climate

Mean T°

12,3°C

Annual rain

1 347mm

Warmest m°

26,0°C

Coldest m°

-2,6°C

Elevation: 262 m on average (min 231 m, max 299 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
1 347mm
Warmest month
26,0°C
Coldest month
-2,6°C
Mean alt.
262m
Min
231m
Max
299m
Std. dev.
25m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(88 %)Temperate

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

Soil & lithology

pH H₂O

6,1

Org. C

53,0g/kg

Clay

28,3%

Sand

33,6%

Silt

38,0%

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

Dominant lithology: scGLiMaggregated to Savoie

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
91,6g/kg
Clay
26,6%
Sand
35,0%
Silt
38,5%
5–15 cm
pH H₂O
6,2
Org. C
42,6g/kg
Clay
27,5%
Sand
33,6%
Silt
38,9%
15–30 cm
pH H₂O
6,2
Org. C
24,8g/kg
Clay
30,9%
Sand
32,3%
Silt
36,7%

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

Land cover

Forest20.5%
Crops15.8%
Built-up3.3%
Bare soil0.7%
Other (grassland, water…)59.7%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,1km

Lake surface here

1,31km²

Basins crossed

1

Max stream order

1

Max drainage

619km²

Discharge in basins

0,1m³/s

Mean precip.

999mm/an

Mean T°

9,3°C

Moisture idx

0,11

Max snow

12%

Mean runoff

632mm/an

Mean elev. (basins)

617m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

2,3nW

Built-up

330,6%

Pesticides

44,7kg/km²

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

Protected areas7

IUCN IV · 4IUCN Not Reported · 3

Rives sud du bourget

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2010

1 km²

Domaine de buttet

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2000

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.