Ontologia

Commune · FRA

Montjean-sur-Loire

France

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

Species observed

1 868

Observations

48 016

Area

20km²

Ecological tissue

Sample of 28 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 Montjean-sur-Loire : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 46 interactions GloBI documentées sur 3 types (connectance 12.2%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
46
Connectance
0.122
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

1 868 distinct species · 48 016 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

48 025 obs · 1 cellules
Obs. / cellule
≥ 48 025
48 025–48 024
48 025–48 024
48 025–48 024
< 48 025

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

688mm

Warmest m°

24,1°C

Coldest m°

2,4°C

Elevation: 22 m on average (min 11 m, max 60 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
688mm
Warmest month
24,1°C
Coldest month
2,4°C
Mean alt.
22m
Min
11m
Max
60m
Std. dev.
11m
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

28,8g/kg

Clay

20,3%

Sand

35,6%

Silt

44,1%

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
6,1
Org. C
46,9g/kg
Clay
18,6%
Sand
36,9%
Silt
44,5%
5–15 cm
pH H₂O
6,4
Org. C
21,1g/kg
Clay
21,1%
Sand
35,2%
Silt
43,6%
15–30 cm
pH H₂O
6,4
Org. C
18,3g/kg
Clay
21,1%
Sand
34,8%
Silt
44,2%

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

Land cover

Forest12.5%
Crops40.5%
Built-up2.0%
Bare soil2.7%
Other (grassland, water…)42.3%

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

Hydrology1 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

10,5km

Basins crossed

1

Max stream order

7

Max drainage

111 742km²

Discharge in basins

9,5m³/s

Mean precip.

725mm/an

Mean T°

11,4°C

Moisture idx

-0,14

Max snow

4%

Mean runoff

380mm/an

Mean elev. (basins)

63m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

200,3%

Pesticides

43,4kg/km²

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

Protected areas9

IUCN Not Reported · 5IUCN IV · 4
Complete list

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.