Ontologia

Commune · FRA

Barcelonne-du-Gers

France

CfaTemperate, no dry season, hot summer(94 %)

Species observed

1 602

Observations

22 042

Area

20,3km²

Ecological tissue

Sample of 46 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 Barcelonne-du-Gers : 36 espèces reliées par 117 interactions GloBI sur 6 types (connectance 11.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
117
Connectance
0.113
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

1 602 distinct species · 22 042 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 042 obs · 3 cellules
Obs. / cellule
≥ 10 684
10 684–10 683
10 684–10 683
6 609–10 683
< 6 609

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

Climate

Mean T°

13,9°C

Annual rain

887mm

Warmest m°

26,4°C

Coldest m°

2,7°C

Elevation: 93 m on average (min 83 m, max 147 m)

Bioclimatic detailsExpert
Annual mean temp.
13,9°C
Annual rain
887mm
Warmest month
26,4°C
Coldest month
2,7°C
Mean alt.
93m
Min
83m
Max
147m
Std. dev.
13m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(94 %)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

36,8g/kg

Clay

20,5%

Sand

32,9%

Silt

46,6%

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

Dominant lithology: suGLiMaggregated to Gers

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
69,1g/kg
Clay
20,3%
Sand
32,8%
Silt
46,9%
5–15 cm
pH H₂O
5,9
Org. C
21,0g/kg
Clay
19,9%
Sand
32,7%
Silt
47,3%
15–30 cm
pH H₂O
5,9
Org. C
20,2g/kg
Clay
21,2%
Sand
33,2%
Silt
45,5%

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

Land cover

Forest15.4%
Crops57.5%
Built-up0.9%
Bare soil1.0%
Other (grassland, water…)25.2%

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

Hydrology3 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

10,5km

Basins crossed

3

Max stream order

4

Max drainage

3 524km²

Discharge in basins

2,9m³/s

Mean precip.

903mm/an

Mean T°

12,4°C

Moisture idx

-0,09

Max snow

2%

Mean runoff

525mm/an

Mean elev. (basins)

137m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

1,1nW

Built-up

86,3%

Pesticides

46,3kg/km²

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

Protected areas2

IUCN Not Reported · 2🌊 Marine · 1

L'Adour

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

36 km²

Vallée de l'Adour

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

27 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.