Ontologia

Subdivision · FRA

Craon

France

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

Species observed

1 993

Observations

59 383

Area

214,3km²

Ecological tissue

Sample of 31 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 : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 4 types (connectance 17.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
89
Connectance
0.179
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

1 993 distinct species · 59 383 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

59 383 obs · 15 cellules
Obs. / cellule
≥ 14 225
10 969–14 224
5 794–10 968
1 915–5 793
< 1 915

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

Climate

Mean T°

11,6°C

Annual rain

745mm

Warmest m°

23,2°C

Coldest m°

2,1°C

Elevation: 65 m on average (min 43 m, max 99 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
745mm
Warmest month
23,2°C
Coldest month
2,1°C
Mean alt.
65m
Min
43m
Max
99m
Std. dev.
12m
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

6,1

Org. C

32,2g/kg

Clay

23,4%

Sand

30,0%

Silt

46,6%

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

Dominant lithology: ssGLiMaggregated to Mayenne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
50,1g/kg
Clay
20,7%
Sand
31,8%
Silt
47,5%
5–15 cm
pH H₂O
6,2
Org. C
24,9g/kg
Clay
23,2%
Sand
30,0%
Silt
46,8%
15–30 cm
pH H₂O
6,2
Org. C
21,4g/kg
Clay
26,3%
Sand
28,0%
Silt
45,7%

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

Land cover

Forest6.8%
Crops64.4%
Built-up0.9%
Bare soil0.4%
Other (grassland, water…)27.4%

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

Hydrology1 basins · 1 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

65,0km

Lake surface here

0,23km²

Basins crossed

1

Max stream order

3

Max drainage

1 489km²

Discharge in basins

2,1m³/s

Mean precip.

709mm/an

Mean T°

11,2°C

Moisture idx

-0,15

Max snow

5%

Mean runoff

327mm/an

Mean elev. (basins)

72m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

94,7%

Pesticides

43,8kg/km²

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

Sub-administrations11

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.