Ontologia

Commune · FRA

Gayan

France

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

Species observed

1 072

Observations

3 587

Area

2,4km²

Ecological tissue

Sample of 39 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 Gayan : 29 espèces reliées par 153 interactions GloBI sur 6 types (connectance 18.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
153
Connectance
0.187
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

1 072 distinct species · 3 587 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 587 obs · 1 cellules
Obs. / cellule
≥ 3 587
3 587–3 586
3 587–3 586
3 587–3 586
< 3 587

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

Climate

Mean T°

13,1°C

Annual rain

1 084mm

Warmest m°

24,8°C

Coldest m°

1,9°C

Elevation: 258 m on average (min 256 m, max 267 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
1 084mm
Warmest month
24,8°C
Coldest month
1,9°C
Mean alt.
258m
Min
256m
Max
267m
Std. dev.
4m
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

45,5g/kg

Clay

24,1%

Sand

27,2%

Silt

48,6%

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
85,0g/kg
Clay
22,5%
Sand
27,4%
Silt
50,0%
5–15 cm
pH H₂O
6,0
Org. C
28,5g/kg
Clay
23,1%
Sand
26,9%
Silt
49,9%
15–30 cm
pH H₂O
5,9
Org. C
22,9g/kg
Clay
26,6%
Sand
27,4%
Silt
45,9%

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

Land cover

Forest10.3%
Crops49.2%
Built-up1.4%
Bare soil0.6%
Other (grassland, water…)38.5%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,8km

Basins crossed

2

Max stream order

3

Max drainage

528km²

Discharge in basins

0,0m³/s

Mean precip.

856mm/an

Mean T°

11,4°C

Moisture idx

-0,09

Max snow

17%

Mean runoff

569mm/an

Mean elev. (basins)

376m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

135,5%

Pesticides

45,6kg/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.