Ontologia

Subdivision · FRA

Alençon 1er Canton

France

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

Species observed

4 752

Observations

108 161

Area

166,3km²

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 Alençon 1er Canton : 18 espèces reliées par 114 interactions GloBI sur 6 types (connectance 24.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
114
Connectance
0.245
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

4 752 distinct species · 108 161 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

108 161 obs · 13 cellules
Obs. / cellule
≥ 18 418
14 996–18 417
13 788–14 995
6 360–13 787
< 6 360

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

Climate

Mean T°

10,5°C

Annual rain

824mm

Warmest m°

22,0°C

Coldest m°

1,1°C

Elevation: 208 m on average (min 130 m, max 393 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
824mm
Warmest month
22,0°C
Coldest month
1,1°C
Mean alt.
208m
Min
130m
Max
393m
Std. dev.
63m
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

6,0

Org. C

39,8g/kg

Clay

23,0%

Sand

22,7%

Silt

54,3%

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

Dominant lithology: ssGLiMaggregated to Orne

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
64,4g/kg
Clay
22,3%
Sand
22,8%
Silt
54,9%
5–15 cm
pH H₂O
6,1
Org. C
33,5g/kg
Clay
22,1%
Sand
22,4%
Silt
55,5%
15–30 cm
pH H₂O
6,0
Org. C
21,6g/kg
Clay
24,5%
Sand
23,0%
Silt
52,5%

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

Land cover

Forest21.6%
Crops48.4%
Built-up1.1%
Bare soil0.4%
Other (grassland, water…)28.5%

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

Hydrology2 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

45,7km

Basins crossed

2

Max stream order

3

Max drainage

2 151km²

Discharge in basins

1,6m³/s

Mean precip.

734mm/an

Mean T°

10,1°C

Moisture idx

-0,10

Max snow

6%

Mean runoff

339mm/an

Mean elev. (basins)

176m

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

111,9%

Pesticides

45,0kg/km²

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

Protected areas9

IUCN Not Reported · 5IUCN IV · 3IUCN V · 1

Alpes Mancelles

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

12 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations13

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.