Ontologia

Commune · FRA

Mérens-les-Vals

France

DfcCold, no dry season, cold summer(56 %)

Species observed

4 220

Observations

64 021

Area

80,3km²

Ecological tissue

Sample of 29 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 Mérens-les-Vals : 17 espèces reliées par 81 interactions GloBI sur 6 types (connectance 16.3%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
81
Connectance
0.163
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

4 220 distinct species · 64 021 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

64 021 obs · 8 cellules
Obs. / cellule
≥ 15 588
15 588–15 587
8 725–15 587
7 308–8 724
< 7 308

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

Climate

Mean T°

3,8°C

Annual rain

1 012mm

Warmest m°

17,5°C

Coldest m°

-8,4°C

Elevation: 1 943 m on average (min 1 041 m, max 2 538 m)

Bioclimatic detailsExpert
Annual mean temp.
3,8°C
Annual rain
1 012mm
Warmest month
17,5°C
Coldest month
-8,4°C
Mean alt.
1 943m
Min
1 041m
Max
2 538m
Std. dev.
380m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(56 %)Cold

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

86,5g/kg

Clay

26,4%

Sand

33,5%

Silt

40,0%

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
5,9
Org. C
125,7g/kg
Clay
24,8%
Sand
34,3%
Silt
40,9%
5–15 cm
pH H₂O
5,9
Org. C
75,9g/kg
Clay
25,5%
Sand
34,0%
Silt
40,6%
15–30 cm
pH H₂O
6,0
Org. C
57,8g/kg
Clay
29,1%
Sand
32,2%
Silt
38,7%

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

Land cover

Forest33.4%
Crops0.3%
Built-up0.0%
Bare soil14.7%
Other (grassland, water…)51.6%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

22,2km

Basins crossed

4

Max stream order

2

Max drainage

542km²

Discharge in basins

0,8m³/s

Mean precip.

1 143mm/an

Mean T°

6,0°C

Moisture idx

0,38

Max snow

38%

Mean runoff

351mm/an

Mean elev. (basins)

1 673m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

3,7%

Pesticides

24,3kg/km²

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

Protected areas7

IUCN Not Reported · 5IUCN V · 1IUCN IV · 1

Vallée de l'Aston

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2014

149 km²

Quérigut, Orlu

IUCN Not Reported

Special Protection Area (Birds Directive) · 2020

102 km²

Complete list

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.