Ontologia

Commune · FRA

Oléac-Dessus

France

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

Species observed

774

Observations

2 893

Area

3,7km²

Ecological tissue

Sample of 36 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 Oléac-Dessus : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 114 interactions GloBI sur 5 types (connectance 18.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
114
Connectance
0.181
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

774 distinct species · 2 893 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 893 obs · 1 cellules
Obs. / cellule
≥ 2 893
2 893–2 892
2 893–2 892
2 893–2 892
< 2 893

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

Climate

Mean T°

12,4°C

Annual rain

1 258mm

Warmest m°

24,1°C

Coldest m°

1,3°C

Elevation: 422 m on average (min 367 m, max 476 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
1 258mm
Warmest month
24,1°C
Coldest month
1,3°C
Mean alt.
422m
Min
367m
Max
476m
Std. dev.
34m
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

5,9

Org. C

41,1g/kg

Clay

30,2%

Sand

23,9%

Silt

45,9%

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

Dominant lithology: scGLiMaggregated to Hautes-Pyrénées

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
70,3g/kg
Clay
29,0%
Sand
23,6%
Silt
47,5%
5–15 cm
pH H₂O
5,9
Org. C
28,4g/kg
Clay
29,8%
Sand
23,8%
Silt
46,3%
15–30 cm
pH H₂O
5,9
Org. C
24,7g/kg
Clay
31,8%
Sand
24,4%
Silt
43,9%

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

Land cover

Forest37.5%
Crops23.1%
Built-up0.6%
Bare soil0.2%
Other (grassland, water…)38.6%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,1km

Basins crossed

1

Max stream order

1

Max drainage

911km²

Discharge in basins

0,1m³/s

Mean precip.

837mm/an

Mean T°

11,6°C

Moisture idx

-0,12

Max snow

3%

Mean runoff

466mm/an

Mean elev. (basins)

352m

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

56,8%

Pesticides

7,1kg/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.