Ontologia

Commune · FRA

Chemazé

France

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

Species observed

1 071

Observations

9 197

Area

38,5km²

Ecological tissue

Sample of 32 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 Chemazé : 24 espèces reliées par 115 interactions GloBI sur 5 types (connectance 19.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
115
Connectance
0.193
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

1 071 distinct species · 9 197 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 197 obs · 5 cellules
Obs. / cellule
≥ 5 079
5 079–5 078
1 680–5 078
1 345–1 679
< 1 345

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

761mm

Warmest m°

23,4°C

Coldest m°

2,1°C

Elevation: 73 m on average (min 55 m, max 92 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
761mm
Warmest month
23,4°C
Coldest month
2,1°C
Mean alt.
73m
Min
55m
Max
92m
Std. dev.
9m
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

31,9g/kg

Clay

22,0%

Sand

33,2%

Silt

44,8%

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
48,2g/kg
Clay
19,7%
Sand
35,1%
Silt
45,2%
5–15 cm
pH H₂O
6,2
Org. C
25,3g/kg
Clay
21,4%
Sand
33,7%
Silt
44,9%
15–30 cm
pH H₂O
6,1
Org. C
22,1g/kg
Clay
24,9%
Sand
30,8%
Silt
44,2%

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

Land cover

Forest14.7%
Crops57.1%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)27.2%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,2km

Basins crossed

2

Max stream order

1

Max drainage

4 216km²

Discharge in basins

1,2m³/s

Mean precip.

709mm/an

Mean T°

11,1°C

Moisture idx

-0,15

Max snow

5%

Mean runoff

307mm/an

Mean elev. (basins)

79m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

65,8%

Pesticides

44,0kg/km²

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

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.