Baie de Saint-Brieuc - Est
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
144 km²
Commune · FRA
Saint-Donan
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
727
Observations
8 413
Area
22,8km²
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 Saint-Donan : 22 espèces reliées par 74 interactions GloBI sur 5 types (connectance 21.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
74
Connectance
0.211
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
727 distinct species · 8 413 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
880mm
Warmest m°
20,7°C
Coldest m°
2,9°C
Elevation: 173 m on average (min 116 m, max 204 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
880mm
Warmest month
20,7°C
Coldest month
2,9°C
Mean alt.
173m
Min
116m
Max
204m
Std. dev.
23m
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
39,1g/kg
Clay
19,4%
Sand
21,8%
Silt
58,8%
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
6,1
Org. C
58,7g/kg
Clay
18,9%
Sand
22,1%
Silt
59,0%
5–15 cm
pH H₂O
6,1
Org. C
32,3g/kg
Clay
18,7%
Sand
21,8%
Silt
59,5%
15–30 cm
pH H₂O
6,1
Org. C
26,4g/kg
Clay
20,7%
Sand
21,5%
Silt
57,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.5%
Crops44.6%
Built-up1.0%
Bare soil0.5%
Other (grassland, water…)33.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
6,3km
Basins crossed
2
Max stream order
1
Max drainage
1 409km²
Discharge in basins
0,1m³/s
Mean precip.
817mm/an
Mean T°
11,0°C
Moisture idx
0,15
Max snow
8%
Mean runoff
613mm/an
Mean elev. (basins)
103m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
102,0%
Pesticides
47,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 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.