Ontologia

Commune · FRA

La Richardais

France

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

Species observed

3 328

Observations

41 418

Area

3,2km²

Ecological tissue

Sample of 36 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 La Richardais : 25 espèces reliées par 117 interactions GloBI sur 5 types (connectance 18.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
117
Connectance
0.186
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

3 328 distinct species · 41 418 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

41 418 obs · 2 cellules
Obs. / cellule
≥ 21 221
21 221–21 220
21 221–21 220
21 221–21 220
< 21 221

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

Climate

Mean T°

11,7°C

Annual rain

781mm

Warmest m°

20,3°C

Coldest m°

4,3°C

Elevation: 31 m on average (min 5 m, max 41 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
781mm
Warmest month
20,3°C
Coldest month
4,3°C
Mean alt.
31m
Min
5m
Max
41m
Std. dev.
12m
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

6,0

Org. C

46,5g/kg

Clay

22,6%

Sand

26,3%

Silt

51,1%

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
5,9
Org. C
74,2g/kg
Clay
20,3%
Sand
27,2%
Silt
52,4%
5–15 cm
pH H₂O
6,0
Org. C
38,9g/kg
Clay
22,9%
Sand
25,8%
Silt
51,3%
15–30 cm
pH H₂O
6,0
Org. C
26,3g/kg
Clay
24,5%
Sand
26,0%
Silt
49,5%

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

Land cover

Forest17.4%
Crops8.8%
Built-up9.1%
Bare soil0.5%
Other (grassland, water…)64.2%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Lake surface here

0,43km²

Basins crossed

1

Max stream order

1

Max drainage

202km²

Discharge in basins

0,0m³/s

Mean precip.

737mm/an

Mean T°

11,2°C

Moisture idx

0,04

Max snow

8%

Mean runoff

504mm/an

Mean elev. (basins)

45m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

4hab/km²

Night light

2,9nW

Built-up

913,7%

Pesticides

45,8kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1🌊 Marine · 3

Estuaire de la Rance

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2014

28 km²

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.