Ontologia

Subdivision · FRA

Saumur-Sud

France

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

Species observed

4 582

Observations

118 034

Area

105km²

Ecological tissue

Sample of 34 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 Saumur-Sud : 21 espèces reliées par 114 interactions GloBI sur 5 types (connectance 20.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
114
Connectance
0.203
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

4 582 distinct species · 118 034 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

118 034 obs · 12 cellules
Obs. / cellule
≥ 22 879
21 610–22 878
15 614–21 609
6 450–15 613
< 6 450

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

Climate

Mean T°

12,0°C

Annual rain

682mm

Warmest m°

24,3°C

Coldest m°

2,1°C

Elevation: 63 m on average (min 26 m, max 110 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
682mm
Warmest month
24,3°C
Coldest month
2,1°C
Mean alt.
63m
Min
26m
Max
110m
Std. dev.
21m
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

6,3

Org. C

33,6g/kg

Clay

23,0%

Sand

42,7%

Silt

34,4%

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

Dominant lithology: ssGLiMaggregated to Maine-et-Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
56,9g/kg
Clay
20,8%
Sand
44,0%
Silt
35,2%
5–15 cm
pH H₂O
6,4
Org. C
26,0g/kg
Clay
23,7%
Sand
41,9%
Silt
34,5%
15–30 cm
pH H₂O
6,4
Org. C
17,9g/kg
Clay
24,4%
Sand
42,0%
Silt
33,6%

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

Land cover

Forest28.5%
Crops40.1%
Built-up1.5%
Bare soil1.3%
Other (grassland, water…)28.6%

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

Hydrology4 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

32,3km

Lake surface here

0,10km²

Basins crossed

4

Max stream order

7

Max drainage

84 716km²

Discharge in basins

278,7m³/s

Mean precip.

711mm/an

Mean T°

11,4°C

Moisture idx

-0,18

Max snow

5%

Mean runoff

254mm/an

Mean elev. (basins)

92m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

145,5%

Pesticides

44,0kg/km²

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

Protected areas7

IUCN Not Reported · 4IUCN IV · 2IUCN V · 1
Complete list

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

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.