Le Tertre Gris
IUCN Not ReportedGeotope Protection Order · 2021
0 km²
Commune · FRA
Poligné
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 881
Observations
44 140
Area
9,5km²
Ecological tissue
Sample of 23 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 Poligné : 19 espèces reliées par 54 interactions GloBI sur 4 types (connectance 21.3%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
23
Interactions affichées
54
Connectance
0.213
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
1 881 distinct species · 44 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
816mm
Warmest m°
23,0°C
Coldest m°
2,4°C
Elevation: 50 m on average (min 31 m, max 82 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
816mm
Warmest month
23,0°C
Coldest month
2,4°C
Mean alt.
50m
Min
31m
Max
82m
Std. dev.
13m
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
32,4g/kg
Clay
24,5%
Sand
24,0%
Silt
51,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
50,9g/kg
Clay
22,5%
Sand
25,1%
Silt
52,4%
5–15 cm
pH H₂O
6,1
Org. C
25,4g/kg
Clay
24,3%
Sand
23,7%
Silt
52,0%
15–30 cm
pH H₂O
6,1
Org. C
20,8g/kg
Clay
26,6%
Sand
23,2%
Silt
50,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.8%
Crops58.1%
Built-up1.6%
Bare soil0.4%
Other (grassland, water…)28.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,8km
Basins crossed
1
Max stream order
3
Max drainage
5 676km²
Discharge in basins
0,3m³/s
Mean precip.
744mm/an
Mean T°
11,2°C
Moisture idx
-0,09
Max snow
5%
Mean runoff
463mm/an
Mean elev. (basins)
59m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,5nW
Built-up
158,2%
Pesticides
44,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.