Vallée de la Rance - Côte d\'Emeraude
IUCN VRegional Nature Park · 2024
893 km²
Commune · FRA
Lanhélin
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
965
Observations
4 569
Area
6,5km²
Ecological tissue
Sample of 27 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 Lanhélin : 22 espèces reliées par 48 interactions GloBI sur 4 types (connectance 13.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
48
Connectance
0.137
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
965 distinct species · 4 569 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,4°C
Annual rain
799mm
Warmest m°
21,8°C
Coldest m°
2,8°C
Elevation: 63 m on average (min 50 m, max 71 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,4°C
Annual rain
799mm
Warmest month
21,8°C
Coldest month
2,8°C
Mean alt.
63m
Min
50m
Max
71m
Std. dev.
6m
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
51,0g/kg
Clay
21,8%
Sand
24,9%
Silt
53,4%
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
5,9
Org. C
84,2g/kg
Clay
21,0%
Sand
25,0%
Silt
54,0%
5–15 cm
pH H₂O
6,0
Org. C
41,2g/kg
Clay
21,2%
Sand
25,2%
Silt
53,7%
15–30 cm
pH H₂O
6,0
Org. C
27,7g/kg
Clay
23,1%
Sand
24,4%
Silt
52,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.8%
Crops36.2%
Built-up1.6%
Bare soil1.0%
Other (grassland, water…)33.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,8km
Basins crossed
1
Max stream order
1
Max drainage
627km²
Discharge in basins
0,0m³/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
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
164,3%
Pesticides
39,2kg/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.