Ontologia

Commune · FRA

Craon

France

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

Species observed

1 166

Observations

10 670

Area

22,2km²

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 Craon : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
118
Connectance
0.125
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 166 distinct species · 10 670 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 670 obs · 3 cellules
Obs. / cellule
≥ 4 801
4 801–4 800
4 801–4 800
3 964–4 800
< 3 964

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

Climate

Mean T°

11,9°C

Annual rain

717mm

Warmest m°

24,5°C

Coldest m°

2,0°C

Elevation: 103 m on average (min 89 m, max 117 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
717mm
Warmest month
24,5°C
Coldest month
2,0°C
Mean alt.
103m
Min
89m
Max
117m
Std. dev.
7m
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

7,2

Org. C

26,2g/kg

Clay

27,6%

Sand

26,9%

Silt

45,4%

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

Dominant lithology: scGLiMaggregated to Vienne

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
42,1g/kg
Clay
24,8%
Sand
28,1%
Silt
47,1%
5–15 cm
pH H₂O
7,4
Org. C
21,3g/kg
Clay
29,0%
Sand
24,2%
Silt
46,7%
15–30 cm
pH H₂O
7,4
Org. C
15,1g/kg
Clay
29,0%
Sand
28,5%
Silt
42,5%

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

Land cover

Forest1.4%
Crops89.4%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)8.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,5km

Basins crossed

1

Max stream order

2

Max drainage

3 364km²

Discharge in basins

0,2m³/s

Mean precip.

731mm/an

Mean T°

11,3°C

Moisture idx

-0,15

Max snow

4%

Mean runoff

287mm/an

Mean elev. (basins)

117m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

33,0%

Pesticides

42,4kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

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.