Ontologia

Commune · FRA

Plélan-le-Grand

France

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

Species observed

1 421

Observations

18 959

Area

50,1km²

Ecological tissue

Sample of 30 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 Plélan-le-Grand : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 6 types (connectance 16.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
84
Connectance
0.169
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

1 421 distinct species · 18 959 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 959 obs · 4 cellules
Obs. / cellule
≥ 9 158
9 158–9 157
6 014–9 157
6 014–6 013
< 6 014

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

Climate

Mean T°

11,2°C

Annual rain

887mm

Warmest m°

22,3°C

Coldest m°

2,2°C

Elevation: 123 m on average (min 66 m, max 152 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
887mm
Warmest month
22,3°C
Coldest month
2,2°C
Mean alt.
123m
Min
66m
Max
152m
Std. dev.
19m
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

46,6g/kg

Clay

22,1%

Sand

17,8%

Silt

60,2%

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
6,0
Org. C
66,2g/kg
Clay
19,8%
Sand
18,5%
Silt
61,7%
5–15 cm
pH H₂O
6,0
Org. C
39,8g/kg
Clay
22,2%
Sand
17,3%
Silt
60,5%
15–30 cm
pH H₂O
6,0
Org. C
33,8g/kg
Clay
24,3%
Sand
17,5%
Silt
58,3%

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

Land cover

Forest16.1%
Crops52.0%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)30.6%

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

Hydrology3 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

11,0km

Lake surface here

0,00km²

Basins crossed

3

Max stream order

2

Max drainage

5 676km²

Discharge in basins

1,0m³/s

Mean precip.

757mm/an

Mean T°

11,1°C

Moisture idx

-0,02

Max snow

7%

Mean runoff

510mm/an

Mean elev. (basins)

77m

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

100,1%

Pesticides

47,1kg/km²

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

Protected areas1

IUCN Not Reported · 1

Forêt de Paimpont

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

12 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.