Ontologia

Commune · FRA

Gennes-sur-Seiche

France

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

Species observed

540

Observations

1 305

Area

18,6km²

Ecological tissue

Sample of 31 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 Gennes-sur-Seiche : 23 espèces reliées par 92 interactions GloBI sur 5 types (connectance 19.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
92
Connectance
0.198
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

540 distinct species · 1 305 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 305 obs · 1 cellules
Obs. / cellule
≥ 1 305
1 305–1 304
1 305–1 304
1 305–1 304
< 1 305

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

Climate

Mean T°

11,4°C

Annual rain

798mm

Warmest m°

22,8°C

Coldest m°

2,1°C

Elevation: 84 m on average (min 71 m, max 96 m)

Bioclimatic detailsExpert
Annual mean temp.
11,4°C
Annual rain
798mm
Warmest month
22,8°C
Coldest month
2,1°C
Mean alt.
84m
Min
71m
Max
96m
Std. dev.
7m
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

6,2

Org. C

33,8g/kg

Clay

26,0%

Sand

19,4%

Silt

54,6%

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

Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
53,4g/kg
Clay
23,4%
Sand
20,9%
Silt
55,7%
5–15 cm
pH H₂O
6,2
Org. C
25,1g/kg
Clay
26,2%
Sand
18,9%
Silt
54,9%
15–30 cm
pH H₂O
6,2
Org. C
23,0g/kg
Clay
28,4%
Sand
18,4%
Silt
53,2%

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

Land cover

Forest5.2%
Crops62.3%
Built-up1.1%
Bare soil0.5%
Other (grassland, water…)31.0%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

7,1km

Basins crossed

2

Max stream order

2

Max drainage

1 599km²

Discharge in basins

0,3m³/s

Mean precip.

730mm/an

Mean T°

11,1°C

Moisture idx

-0,11

Max snow

6%

Mean runoff

462mm/an

Mean elev. (basins)

71m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

104,5%

Pesticides

44,4kg/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.