Ontologia

Commune · FRA

Saffré

France

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

Species observed

2 429

Observations

26 908

Area

58,9km²

Ecological tissue

Sample of 41 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 Saffré : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 6 types (connectance 10.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
89
Connectance
0.108
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

2 429 distinct species · 26 908 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 908 obs · 8 cellules
Obs. / cellule
≥ 6 082
6 082–6 081
3 852–6 081
3 208–3 851
< 3 208

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

832mm

Warmest m°

23,4°C

Coldest m°

2,6°C

Elevation: 35 m on average (min 22 m, max 61 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
832mm
Warmest month
23,4°C
Coldest month
2,6°C
Mean alt.
35m
Min
22m
Max
61m
Std. dev.
10m
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

5,8

Org. C

32,9g/kg

Clay

18,5%

Sand

32,0%

Silt

49,5%

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

Dominant lithology: ssGLiMaggregated to Loire-Atlantique

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
52,8g/kg
Clay
16,8%
Sand
33,1%
Silt
50,1%
5–15 cm
pH H₂O
5,7
Org. C
23,5g/kg
Clay
19,0%
Sand
31,5%
Silt
49,6%
15–30 cm
pH H₂O
5,8
Org. C
22,3g/kg
Clay
19,7%
Sand
31,3%
Silt
49,0%

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

Land cover

Forest15.7%
Crops50.7%
Built-up0.8%
Bare soil0.6%
Other (grassland, water…)32.1%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

25,2km

Basins crossed

2

Max stream order

2

Max drainage

1 019km²

Discharge in basins

0,9m³/s

Mean precip.

777mm/an

Mean T°

11,4°C

Moisture idx

-0,04

Max snow

5%

Mean runoff

491mm/an

Mean elev. (basins)

39m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

85,1%

Pesticides

43,3kg/km²

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

Protected areas2

IUCN IV · 1IUCN Not Reported · 1

Le Bois Gouet

IUCN Not Reported

Geotope Protection Order · 2020

0 km²

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.