Ontologia

Commune · FRA

Valjouffrey

France

DfcCold, no dry season, cold summer(51 %)

Species observed

2 346

Observations

125 294

Area

127,8km²

Ecological tissue

Sample of 29 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 Valjouffrey : 27 espèces + 2 bulles famille, 47 interactions GloBI documentées sur 3 types (connectance 11.6%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
47
Connectance
0.116
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

2 346 distinct species · 125 294 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

125 294 obs · 4 cellules
Obs. / cellule
≥ 70 719
70 719–70 718
23 886–70 718
23 886–23 885
< 23 886

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

Climate

Mean T°

1,5°C

Annual rain

1 863mm

Warmest m°

16,2°C

Coldest m°

-12,7°C

Elevation: 2 012 m on average (min 1 166 m, max 3 005 m)

Bioclimatic detailsExpert
Annual mean temp.
1,5°C
Annual rain
1 863mm
Warmest month
16,2°C
Coldest month
-12,7°C
Mean alt.
2 012m
Min
1 166m
Max
3 005m
Std. dev.
440m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(51 %)Cold

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

Soil & lithology

pH H₂O

6,4

Org. C

77,7g/kg

Clay

24,1%

Sand

36,8%

Silt

39,1%

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

Dominant lithology: scGLiMaggregated to Isère

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
108,5g/kg
Clay
22,7%
Sand
37,2%
Silt
40,0%
5–15 cm
pH H₂O
6,4
Org. C
70,5g/kg
Clay
23,0%
Sand
37,4%
Silt
39,5%
15–30 cm
pH H₂O
6,5
Org. C
54,3g/kg
Clay
26,4%
Sand
35,8%
Silt
37,8%

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

Land cover

Forest22.4%
Crops0.5%
Built-up0.0%
Bare soil23.1%
Other (grassland, water…)53.9%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

22,8km

Basins crossed

4

Max stream order

2

Max drainage

1 237km²

Discharge in basins

2,1m³/s

Mean precip.

1 273mm/an

Mean T°

4,2°C

Moisture idx

0,45

Max snow

40%

Mean runoff

511mm/an

Mean elev. (basins)

1 694m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

2,7%

Pesticides

45,0kg/km²

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

Protected areas6

IUCN Not Reported · 2IUCN V · 1IUCN II · 1IUCN Ia · 1IUCN IV · 1

Ecrins

IUCN II

National Park - Core Area · 1973

931 km²

Les Ecrins

IUCN Not Reported

Special Protection Area (Birds Directive) · 2018

919 km²

Massif de la Muzelle

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2015

169 km²

Lauvitel

IUCN Ia

National Park - Integrale Reserve · 1995

7 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.