Ontologia

Commune · FRA

La Roche-des-Arnauds

France

DfbCold, no dry season, warm summer(55 %)

Species observed

1 878

Observations

31 516

Area

52,8km²

Ecological tissue

Sample of 38 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 La Roche-des-Arnauds : 32 espèces + 6 bulles famille, 68 interactions GloBI documentées sur 5 types (connectance 9.7%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
38
Interactions affichées
68
Connectance
0.097
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

1 878 distinct species · 31 516 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 521 obs · 2 cellules
Obs. / cellule
≥ 16 953
16 953–16 952
16 953–16 952
16 953–16 952
< 16 953

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

Climate

Mean T°

6,5°C

Annual rain

1 080mm

Warmest m°

21,0°C

Coldest m°

-8,8°C

Elevation: 1 345 m on average (min 927 m, max 2 030 m)

Bioclimatic detailsExpert
Annual mean temp.
6,5°C
Annual rain
1 080mm
Warmest month
21,0°C
Coldest month
-8,8°C
Mean alt.
1 345m
Min
927m
Max
2 030m
Std. dev.
297m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(55 %)Cold

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

Soil & lithology

pH H₂O

6,5

Org. C

71,1g/kg

Clay

25,0%

Sand

35,5%

Silt

39,5%

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
6,4
Org. C
100,2g/kg
Clay
23,2%
Sand
36,2%
Silt
40,6%
5–15 cm
pH H₂O
6,5
Org. C
64,7g/kg
Clay
24,1%
Sand
36,1%
Silt
39,8%
15–30 cm
pH H₂O
6,5
Org. C
48,4g/kg
Clay
27,6%
Sand
34,3%
Silt
38,1%

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

Land cover

Forest27.2%
Crops9.3%
Built-up0.5%
Bare soil7.0%
Other (grassland, water…)56.0%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,0km

Basins crossed

2

Max stream order

2

Max drainage

4 826km²

Discharge in basins

0,7m³/s

Mean precip.

963mm/an

Mean T°

7,7°C

Moisture idx

0,15

Max snow

15%

Mean runoff

405mm/an

Mean elev. (basins)

1 070m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

44,9%

Pesticides

46,1kg/km²

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

Protected areas8

IUCN IV · 4IUCN Not Reported · 3IUCN Ia · 1

Le Buech

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2012

24 km²

Marais de Manteyer

IUCN Not Reported

Special Protection Area (Birds Directive) · 2018

1 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.