Ontologia

Subdivision · FRA

Angers-Nord-Est

France

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

Species observed

3 765

Observations

77 581

Area

72,2km²

Ecological tissue

Sample of 39 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 Angers-Nord-Est : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 6 types (connectance 14.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
110
Connectance
0.148
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

3 765 distinct species · 77 581 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

77 581 obs · 7 cellules
Obs. / cellule
≥ 18 102
18 102–18 101
14 851–18 101
11 837–14 850
< 11 837

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

672mm

Warmest m°

24,1°C

Coldest m°

2,3°C

Elevation: 30 m on average (min 15 m, max 47 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
672mm
Warmest month
24,1°C
Coldest month
2,3°C
Mean alt.
30m
Min
15m
Max
47m
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

6,4

Org. C

37,6g/kg

Clay

22,7%

Sand

39,5%

Silt

37,8%

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
6,3
Org. C
60,5g/kg
Clay
21,0%
Sand
40,4%
Silt
38,6%
5–15 cm
pH H₂O
6,5
Org. C
30,3g/kg
Clay
23,1%
Sand
39,1%
Silt
37,8%
15–30 cm
pH H₂O
6,5
Org. C
21,8g/kg
Clay
24,1%
Sand
38,9%
Silt
37,0%

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

Land cover

Forest17.4%
Crops37.7%
Built-up3.1%
Bare soil0.8%
Other (grassland, water…)40.9%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

18,0km

Basins crossed

2

Max stream order

6

Max drainage

16 250km²

Discharge in basins

51,2m³/s

Mean precip.

672mm/an

Mean T°

11,3°C

Moisture idx

-0,22

Max snow

5%

Mean runoff

209mm/an

Mean elev. (basins)

64m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,1nW

Built-up

310,6%

Pesticides

44,5kg/km²

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

Protected areas8

IUCN Not Reported · 5IUCN IV · 2IUCN V · 1
Complete list

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

Sub-administrations4

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.