Rivière Scorff, Forêt de Pont Calleck, Rivière Sarre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
34 km²
Commune · FRA
Guern
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
932
Observations
25 354
Area
46,9km²
Ecological tissue
Sample of 39 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 Guern : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 6 types (connectance 12.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
91
Connectance
0.123
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
932 distinct species · 25 354 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,0°C
Annual rain
1 003mm
Warmest m°
21,6°C
Coldest m°
2,5°C
Elevation: 146 m on average (min 97 m, max 179 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,0°C
Annual rain
1 003mm
Warmest month
21,6°C
Coldest month
2,5°C
Mean alt.
146m
Min
97m
Max
179m
Std. dev.
17m
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
43,6g/kg
Clay
22,2%
Sand
27,0%
Silt
50,8%
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
5,6
Org. C
66,5g/kg
Clay
21,8%
Sand
27,1%
Silt
51,1%
5–15 cm
pH H₂O
5,7
Org. C
39,2g/kg
Clay
21,6%
Sand
27,0%
Silt
51,4%
15–30 cm
pH H₂O
5,7
Org. C
25,2g/kg
Clay
23,1%
Sand
26,9%
Silt
50,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.6%
Crops40.5%
Built-up0.5%
Bare soil0.2%
Other (grassland, water…)28.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
10,8km
Basins crossed
2
Max stream order
2
Max drainage
2 054km²
Discharge in basins
1,1m³/s
Mean precip.
913mm/an
Mean T°
10,8°C
Moisture idx
0,24
Max snow
7%
Mean runoff
723mm/an
Mean elev. (basins)
147m
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
52,8%
Pesticides
47,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1🌊 Marine · 1
Bassin versant du ruisseau de Bonne-Chère
IUCN IVBiotope Protection Order · 2021
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.