Vallée de la Rance - Côte d\'Emeraude
IUCN VRegional Nature Park · 2024
893 km²
Commune · FRA
Plerguer
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 057
Observations
7 887
Area
20,5km²
Ecological tissue
Sample of 20 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 Plerguer : 16 espèces reliées par 57 interactions GloBI sur 4 types (connectance 27.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
21
Interactions affichées
57
Connectance
0.271
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
1 057 distinct species · 7 887 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,7°C
Annual rain
762mm
Warmest m°
21,4°C
Coldest m°
3,5°C
Elevation: 24 m on average (min 3 m, max 51 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,7°C
Annual rain
762mm
Warmest month
21,4°C
Coldest month
3,5°C
Mean alt.
24m
Min
3m
Max
51m
Std. dev.
15m
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
49,9g/kg
Clay
22,7%
Sand
25,2%
Silt
52,2%
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
6,1
Org. C
73,2g/kg
Clay
21,7%
Sand
25,4%
Silt
52,9%
5–15 cm
pH H₂O
6,2
Org. C
44,8g/kg
Clay
22,5%
Sand
25,1%
Silt
52,5%
15–30 cm
pH H₂O
6,2
Org. C
31,8g/kg
Clay
23,8%
Sand
25,1%
Silt
51,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.0%
Crops42.6%
Built-up1.6%
Bare soil0.7%
Other (grassland, water…)33.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 2 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
11,1km
Lake surface here
0,23km²
Basins crossed
1
Max stream order
3
Max drainage
627km²
Discharge in basins
0,1m³/s
Mean precip.
734mm/an
Mean T°
11,3°C
Moisture idx
-0,01
Max snow
8%
Mean runoff
527mm/an
Mean elev. (basins)
35m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
163,1%
Pesticides
33,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 3IUCN V · 1IUCN IV · 1🌊 Marine · 4
Baie du Mont Saint-Michel
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
471 km²
Baie du Mont Saint-Michel
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1994
459 km²
Côte de Cancale à Paramé
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
17 km²
Marais arriere-littoraux de mont dol-chateauneuf
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2017
0 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.