Ontologia

Commune · FRA

Arvieu

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

991

Observations

6 743

Area

49,6km²

Ecological tissue

Sample of 43 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 Arvieu : 40 espèces + 3 bulles famille, 87 interactions GloBI documentées sur 4 types (connectance 9.6%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
43
Interactions affichées
87
Connectance
0.096
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

991 distinct species · 6 743 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 743 obs · 2 cellules
Obs. / cellule
≥ 6 012
6 012–6 011
6 012–6 011
6 012–6 011
< 6 012

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

Climate

Mean T°

9,8°C

Annual rain

1 204mm

Warmest m°

22,9°C

Coldest m°

-0,6°C

Elevation: 778 m on average (min 660 m, max 895 m)

Bioclimatic detailsExpert
Annual mean temp.
9,8°C
Annual rain
1 204mm
Warmest month
22,9°C
Coldest month
-0,6°C
Mean alt.
778m
Min
660m
Max
895m
Std. dev.
64m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

42,1g/kg

Clay

23,8%

Sand

40,2%

Silt

36,0%

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

Dominant lithology: scGLiMaggregated to Aveyron

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
72,3g/kg
Clay
22,4%
Sand
40,6%
Silt
37,0%
5–15 cm
pH H₂O
6,5
Org. C
29,8g/kg
Clay
22,8%
Sand
40,9%
Silt
36,3%
15–30 cm
pH H₂O
6,5
Org. C
24,1g/kg
Clay
26,1%
Sand
39,2%
Silt
34,7%

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

Land cover

Forest19.6%
Crops31.9%
Built-up0.6%
Bare soil0.6%
Other (grassland, water…)47.4%

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

Hydrology1 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

16,2km

Lake surface here

2,05km²

Basins crossed

1

Max stream order

3

Max drainage

1 541km²

Discharge in basins

0,6m³/s

Mean precip.

799mm/an

Mean T°

11,0°C

Moisture idx

-0,15

Max snow

4%

Mean runoff

415mm/an

Mean elev. (basins)

638m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

56,0%

Pesticides

35,6kg/km²

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

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.