Ontologia

Commune · FRA

Ristolas

France

DfcCold, no dry season, cold summer(53 %)

Species observed

3 067

Observations

71 700

Area

87km²

Ecological tissue

Sample of 24 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 Ristolas : 18 espèces + 6 bulles famille, 42 interactions GloBI documentées sur 4 types (connectance 15.2%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
24
Interactions affichées
42
Connectance
0.152
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

3 067 distinct species · 71 700 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

71 700 obs · 2 cellules
Obs. / cellule
≥ 54 059
54 059–54 058
54 059–54 058
54 059–54 058
< 54 059

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

Climate

Mean T°

-0,3°C

Annual rain

1 165mm

Warmest m°

14,0°C

Coldest m°

-14,4°C

Elevation: 2 382 m on average (min 1 772 m, max 2 953 m)

Bioclimatic detailsExpert
Annual mean temp.
-0,3°C
Annual rain
1 165mm
Warmest month
14,0°C
Coldest month
-14,4°C
Mean alt.
2 382m
Min
1 772m
Max
2 953m
Std. dev.
308m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(53 %)Cold

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

85,3g/kg

Clay

20,0%

Sand

40,2%

Silt

39,8%

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

Dominant lithology: scGLiMaggregated to Hautes-Alpes

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
136,3g/kg
Clay
19,0%
Sand
40,5%
Silt
40,5%
5–15 cm
pH H₂O
6,2
Org. C
72,7g/kg
Clay
19,3%
Sand
40,4%
Silt
40,3%
15–30 cm
pH H₂O
6,2
Org. C
47,0g/kg
Clay
21,8%
Sand
39,7%
Silt
38,5%

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

Land cover

Forest9.9%
Crops0.1%
Built-up0.0%
Bare soil25.6%
Other (grassland, water…)64.4%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

20,1km

Basins crossed

2

Max stream order

2

Max drainage

2 551km²

Discharge in basins

1,4m³/s

Mean precip.

1 301mm/an

Mean T°

3,4°C

Moisture idx

0,49

Max snow

37%

Mean runoff

479mm/an

Mean elev. (basins)

1 981m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,6%

Pesticides

17,2kg/km²

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

Protected areas9

IUCN Not Reported · 6IUCN IV · 2IUCN V · 1

Queyras

IUCN V

Regional Nature Park · 1977

626 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.