Ontologia

Commune · FRA

Ustou

France

CfbTemperate, no dry season, warm summer(47 %)

Species observed

2 428

Observations

23 056

Area

100km²

Ecological tissue

Sample of 31 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 Ustou : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 57 interactions GloBI documentées sur 3 types (connectance 12.3%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
31
Interactions affichées
57
Connectance
0.123
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 428 distinct species · 23 056 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 056 obs · 4 cellules
Obs. / cellule
≥ 7 672
7 672–7 671
7 147–7 671
7 147–7 146
< 7 147

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 274mm

Warmest m°

19,4°C

Coldest m°

-5,4°C

Elevation: 1 458 m on average (min 672 m, max 2 553 m)

Bioclimatic detailsExpert
Annual mean temp.
6,5°C
Annual rain
1 274mm
Warmest month
19,4°C
Coldest month
-5,4°C
Mean alt.
1 458m
Min
672m
Max
2 553m
Std. dev.
457m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(47 %)Temperate

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

Soil & lithology

pH H₂O

6,0

Org. C

77,1g/kg

Clay

26,1%

Sand

31,3%

Silt

42,7%

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

Dominant lithology: scGLiMaggregated to Ariège

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
113,8g/kg
Clay
24,6%
Sand
32,0%
Silt
43,4%
5–15 cm
pH H₂O
6,0
Org. C
73,7g/kg
Clay
25,2%
Sand
31,6%
Silt
43,3%
15–30 cm
pH H₂O
6,0
Org. C
43,8g/kg
Clay
28,6%
Sand
30,2%
Silt
41,4%

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

Land cover

Forest51.6%
Crops1.4%
Built-up0.1%
Bare soil7.6%
Other (grassland, water…)39.4%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

20,2km

Basins crossed

2

Max stream order

3

Max drainage

1 576km²

Discharge in basins

1,1m³/s

Mean precip.

978mm/an

Mean T°

9,0°C

Moisture idx

0,12

Max snow

31%

Mean runoff

351mm/an

Mean elev. (basins)

992m

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

7,3%

Pesticides

12,2kg/km²

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

Protected areas6

IUCN V · 3IUCN Not Reported · 3

Alt Pallars

IUCN Not Reported

Special Protection Area (Birds Directive) · 2001

772 km²

Alt Pallars

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2013

772 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.