Ontologia

Commune · FRA

Méracq

France

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

Species observed

1 091

Observations

15 704

Area

8,5km²

Ecological tissue

Sample of 32 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 Méracq : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 141 interactions GloBI sur 5 types (connectance 23.7%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
141
Connectance
0.237
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

1 091 distinct species · 15 704 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 704 obs · 3 cellules
Obs. / cellule
≥ 7 534
7 534–7 533
7 534–7 533
4 308–7 533
< 4 308

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

Climate

Mean T°

13,5°C

Annual rain

1 085mm

Warmest m°

25,7°C

Coldest m°

2,2°C

Elevation: 189 m on average (min 133 m, max 212 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
1 085mm
Warmest month
25,7°C
Coldest month
2,2°C
Mean alt.
189m
Min
133m
Max
212m
Std. dev.
23m
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

5,7

Org. C

42,1g/kg

Clay

22,8%

Sand

25,3%

Silt

51,9%

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

Dominant lithology: scGLiMaggregated to Pyrénées-Atlantiques

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
71,3g/kg
Clay
21,9%
Sand
25,6%
Silt
52,6%
5–15 cm
pH H₂O
5,7
Org. C
30,2g/kg
Clay
22,7%
Sand
24,7%
Silt
52,4%
15–30 cm
pH H₂O
5,7
Org. C
24,8g/kg
Clay
23,6%
Sand
25,7%
Silt
50,7%

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

Land cover

Forest18.6%
Crops47.4%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)32.9%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,6km

Basins crossed

2

Max stream order

2

Max drainage

7 828km²

Discharge in basins

0,8m³/s

Mean precip.

1 068mm/an

Mean T°

12,8°C

Moisture idx

0,09

Max snow

5%

Mean runoff

720mm/an

Mean elev. (basins)

99m

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

45,2%

Pesticides

47,0kg/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.