Golfe Du Morbihan
IUCN VRegional Nature Park · 2014
736 km²
Commune · FRA
Trédion
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 384
Observations
13 577
Area
25,9km²
Ecological tissue
Sample of 33 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 Trédion : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 4 types (connectance 18.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
98
Connectance
0.186
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
1 384 distinct species · 13 577 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
911mm
Warmest m°
22,0°C
Coldest m°
2,8°C
Elevation: 92 m on average (min 58 m, max 117 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,5°C
Annual rain
911mm
Warmest month
22,0°C
Coldest month
2,8°C
Mean alt.
92m
Min
58m
Max
117m
Std. dev.
14m
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
5,7
Org. C
40,3g/kg
Clay
21,0%
Sand
26,9%
Silt
52,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Morbihan
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
59,5g/kg
Clay
19,0%
Sand
27,6%
Silt
53,4%
5–15 cm
pH H₂O
5,7
Org. C
39,4g/kg
Clay
21,0%
Sand
26,5%
Silt
52,5%
15–30 cm
pH H₂O
5,7
Org. C
21,9g/kg
Clay
23,2%
Sand
26,6%
Silt
50,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest63.3%
Crops19.7%
Built-up0.6%
Bare soil0.1%
Other (grassland, water…)16.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,4km
Basins crossed
2
Max stream order
3
Max drainage
3 598km²
Discharge in basins
2,2m³/s
Mean precip.
833mm/an
Mean T°
11,2°C
Moisture idx
0,11
Max snow
7%
Mean runoff
588mm/an
Mean elev. (basins)
86m
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
Built-up
57,6%
Pesticides
45,4kg/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.