Ontologia

Commune · FRA

Merrey-sur-Arce

France

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

Species observed

1 255

Observations

20 138

Area

8,1km²

Ecological tissue

Sample of 27 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 Merrey-sur-Arce : 22 espèces reliées par 56 interactions GloBI sur 4 types (connectance 16.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
56
Connectance
0.160
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

1 255 distinct species · 20 138 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 138 obs · 3 cellules
Obs. / cellule
≥ 9 663
9 663–9 662
9 663–9 662
6 171–9 662
< 6 171

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

Climate

Mean T°

10,9°C

Annual rain

804mm

Warmest m°

23,8°C

Coldest m°

0,4°C

Elevation: 194 m on average (min 166 m, max 253 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
804mm
Warmest month
23,8°C
Coldest month
0,4°C
Mean alt.
194m
Min
166m
Max
253m
Std. dev.
28m
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

6,7

Org. C

34,8g/kg

Clay

34,3%

Sand

10,4%

Silt

55,3%

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

Dominant lithology: suGLiMaggregated to Aube

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
61,6g/kg
Clay
33,5%
Sand
11,3%
Silt
55,2%
5–15 cm
pH H₂O
6,8
Org. C
27,6g/kg
Clay
33,7%
Sand
10,1%
Silt
56,2%
15–30 cm
pH H₂O
6,7
Org. C
15,3g/kg
Clay
35,6%
Sand
9,9%
Silt
54,6%

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

Land cover

Forest11.0%
Crops62.8%
Built-up0.8%
Bare soil2.2%
Other (grassland, water…)23.1%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

5,6km

Basins crossed

3

Max stream order

4

Max drainage

2 377km²

Discharge in basins

0,7m³/s

Mean precip.

750mm/an

Mean T°

9,8°C

Moisture idx

-0,08

Max snow

7%

Mean runoff

254mm/an

Mean elev. (basins)

277m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

77,6%

Pesticides

45,8kg/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.