Ontologia

Commune · FRA

Périers-sur-le-Dan

France

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

Species observed

766

Observations

11 224

Area

2,7km²

Ecological tissue

Sample of 43 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 Périers-sur-le-Dan : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
96
Connectance
0.102
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

766 distinct species · 11 224 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 224 obs · 1 cellules
Obs. / cellule
≥ 11 224
11 224–11 223
11 224–11 223
11 224–11 223
< 11 224

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

Climate

Mean T°

11,4°C

Annual rain

807mm

Warmest m°

22,3°C

Coldest m°

2,7°C

Elevation: 41 m on average (min 32 m, max 45 m)

Bioclimatic detailsExpert
Annual mean temp.
11,4°C
Annual rain
807mm
Warmest month
22,3°C
Coldest month
2,7°C
Mean alt.
41m
Min
32m
Max
45m
Std. dev.
3m
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

30,3g/kg

Clay

27,7%

Sand

21,2%

Silt

51,2%

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

Dominant lithology: ssGLiMaggregated to Calvados

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
49,0g/kg
Clay
26,2%
Sand
21,8%
Silt
52,0%
5–15 cm
pH H₂O
6,7
Org. C
22,7g/kg
Clay
29,5%
Sand
19,7%
Silt
50,7%
15–30 cm
pH H₂O
6,8
Org. C
19,2g/kg
Clay
27,3%
Sand
21,9%
Silt
50,7%

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

Land cover

Forest2.9%
Crops77.2%
Built-up1.6%
Bare soil0.3%
Other (grassland, water…)17.9%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,3km

Basins crossed

2

Max stream order

2

Max drainage

2 936km²

Discharge in basins

0,9m³/s

Mean precip.

688mm/an

Mean T°

10,6°C

Moisture idx

-0,09

Max snow

7%

Mean runoff

583mm/an

Mean elev. (basins)

33m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

159,0%

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.