Ontologia

Commune · FRA

Marlens

France

CfbTemperate, no dry season, warm summer(65 %)

Species observed

1 474

Observations

12 301

Area

15km²

Ecological tissue

Sample of 36 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 Marlens : 30 espèces + 6 bulles famille, 97 interactions GloBI documentées sur 5 types (connectance 15.4%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
36
Interactions affichées
97
Connectance
0.154
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

1 474 distinct species · 12 301 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 302 obs · 1 cellules
Obs. / cellule
≥ 12 302
12 302–12 301
12 302–12 301
12 302–12 301
< 12 302

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

Climate

Mean T°

8,3°C

Annual rain

1 393mm

Warmest m°

22,3°C

Coldest m°

-7,0°C

Elevation: 818 m on average (min 522 m, max 1 568 m)

Bioclimatic detailsExpert
Annual mean temp.
8,3°C
Annual rain
1 393mm
Warmest month
22,3°C
Coldest month
-7,0°C
Mean alt.
818m
Min
522m
Max
1 568m
Std. dev.
225m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(65 %)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

69,6g/kg

Clay

23,7%

Sand

34,4%

Silt

41,9%

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
6,0
Org. C
102,8g/kg
Clay
22,9%
Sand
34,2%
Silt
43,0%
5–15 cm
pH H₂O
6,2
Org. C
65,1g/kg
Clay
23,4%
Sand
34,8%
Silt
41,8%
15–30 cm
pH H₂O
6,2
Org. C
40,8g/kg
Clay
24,9%
Sand
34,2%
Silt
40,9%

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

Land cover

Forest66.1%
Crops10.6%
Built-up0.7%
Bare soil1.2%
Other (grassland, water…)21.4%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,7km

Basins crossed

1

Max stream order

2

Max drainage

2 699km²

Discharge in basins

0,3m³/s

Mean precip.

1 424mm/an

Mean T°

3,7°C

Moisture idx

0,50

Max snow

41%

Mean runoff

606mm/an

Mean elev. (basins)

1 771m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

71,0%

Pesticides

45,7kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1

Les Aravis

IUCN Not Reported

Special Protection Area (Birds Directive) · 2018

89 km²

Les Aravis

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2010

89 km²

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.