Vallée de la Rance - Côte d\'Emeraude
IUCN VRegional Nature Park · 2024
893 km²
Commune · FRA
Saint-Pierre-de-Plesguen
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 368
Observations
8 280
Area
29,6km²
Ecological tissue
Sample of 35 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 Saint-Pierre-de-Plesguen : 24 espèces reliées par 96 interactions GloBI sur 6 types (connectance 16.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
96
Connectance
0.161
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
1 368 distinct species · 8 280 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,4°C
Annual rain
794mm
Warmest m°
21,8°C
Coldest m°
2,8°C
Elevation: 63 m on average (min 44 m, max 80 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,4°C
Annual rain
794mm
Warmest month
21,8°C
Coldest month
2,8°C
Mean alt.
63m
Min
44m
Max
80m
Std. dev.
10m
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
41,0g/kg
Clay
22,5%
Sand
25,1%
Silt
52,4%
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
65,0g/kg
Clay
21,6%
Sand
25,4%
Silt
52,9%
5–15 cm
pH H₂O
6,1
Org. C
34,0g/kg
Clay
22,2%
Sand
25,2%
Silt
52,7%
15–30 cm
pH H₂O
6,1
Org. C
23,8g/kg
Clay
23,7%
Sand
24,5%
Silt
51,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest32.1%
Crops35.9%
Built-up1.0%
Bare soil0.4%
Other (grassland, water…)30.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,8km
Lake surface here
0,11km²
Basins crossed
2
Max stream order
1
Max drainage
1 026km²
Discharge in basins
0,2m³/s
Mean precip.
739mm/an
Mean T°
11,2°C
Moisture idx
-0,00
Max snow
8%
Mean runoff
524mm/an
Mean elev. (basins)
51m
Watersheds crossing here
Lakes (1, top by area)
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
0,0nW
Built-up
104,4%
Pesticides
40,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1🌊 Marine · 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.