Vallée de la Rance - Côte d\'Emeraude
IUCN VRegional Nature Park · 2024
893 km²
Commune · FRA
Saint-Jacut-de-la-Mer
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 410
Observations
19 850
Area
4,3km²
Ecological tissue
Sample of 47 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-Jacut-de-la-Mer : 41 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 8.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
47
Interactions affichées
93
Connectance
0.086
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
2 410 distinct species · 19 850 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,8°C
Annual rain
739mm
Warmest m°
20,5°C
Coldest m°
4,4°C
Elevation: 13 m on average (min -8 m, max 34 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,8°C
Annual rain
739mm
Warmest month
20,5°C
Coldest month
4,4°C
Mean alt.
13m
Min
-8m
Max
34m
Std. dev.
12m
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
37,8g/kg
Clay
21,5%
Sand
24,2%
Silt
54,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Côtes-d'Armor
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
59,5g/kg
Clay
19,7%
Sand
24,5%
Silt
55,9%
5–15 cm
pH H₂O
6,1
Org. C
32,2g/kg
Clay
21,3%
Sand
24,1%
Silt
54,6%
15–30 cm
pH H₂O
6,1
Org. C
21,8g/kg
Clay
23,4%
Sand
24,2%
Silt
52,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.6%
Crops11.4%
Built-up4.8%
Bare soil1.4%
Other (grassland, water…)65.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
202km²
Discharge in basins
0,0m³/s
Mean precip.
737mm/an
Mean T°
11,2°C
Moisture idx
0,04
Max snow
8%
Mean runoff
504mm/an
Mean elev. (basins)
45m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
481,7%
Pesticides
45,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN V · 1🌊 Marine · 3
Baie de Lancieux, Baie de l'Arguenon, Archipel de Saint Malo et Dinard
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
51 km²
Iles de la Colombiere, de la Nelliere et des Haches
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
17 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.