Têtes de bassin du Blavet et de l'Hyères
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2017
36 km²
Commune · FRA
Locarn
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
869
Observations
13 719
Area
32,9km²
Ecological tissue
Sample of 29 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 Locarn : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 4 types (connectance 20.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
82
Connectance
0.202
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
869 distinct species · 13 719 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
1 125mm
Warmest m°
20,8°C
Coldest m°
2,6°C
Elevation: 179 m on average (min 116 m, max 257 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
1 125mm
Warmest month
20,8°C
Coldest month
2,6°C
Mean alt.
179m
Min
116m
Max
257m
Std. dev.
38m
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
5,6
Org. C
47,8g/kg
Clay
21,8%
Sand
24,9%
Silt
53,3%
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
5,6
Org. C
71,7g/kg
Clay
21,5%
Sand
25,0%
Silt
53,5%
5–15 cm
pH H₂O
5,6
Org. C
40,9g/kg
Clay
21,2%
Sand
24,9%
Silt
53,9%
15–30 cm
pH H₂O
5,6
Org. C
30,7g/kg
Clay
22,7%
Sand
24,7%
Silt
52,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.3%
Crops47.2%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)28.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
13,9km
Basins crossed
1
Max stream order
3
Max drainage
1 790km²
Discharge in basins
1,2m³/s
Mean precip.
1 024mm/an
Mean T°
10,7°C
Moisture idx
0,34
Max snow
7%
Mean runoff
932mm/an
Mean elev. (basins)
158m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
48,3%
Pesticides
39,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1
Landes De Locarn
IUCN IVBiotope Protection Order · 1988
2 km²
Gorges du Corong
IUCN Not ReportedGeotope Protection Order · 2021
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.