Les Rochers du Saut Roland
IUCN Not ReportedGeotope Protection Order · 2021
0 km²
Subdivision · FRA
Fougères-Sud
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 220
Observations
16 203
Area
128,8km²
Ecological tissue
Sample of 23 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 Fougères-Sud : 16 espèces reliées par 74 interactions GloBI sur 5 types (connectance 24.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
25
Interactions affichées
74
Connectance
0.247
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
1 220 distinct species · 16 203 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,1°C
Annual rain
877mm
Warmest m°
22,2°C
Coldest m°
2,2°C
Elevation: 109 m on average (min 69 m, max 158 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,1°C
Annual rain
877mm
Warmest month
22,2°C
Coldest month
2,2°C
Mean alt.
109m
Min
69m
Max
158m
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
32,4g/kg
Clay
22,0%
Sand
17,1%
Silt
60,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
54,5g/kg
Clay
20,9%
Sand
17,4%
Silt
61,7%
5–15 cm
pH H₂O
6,2
Org. C
24,9g/kg
Clay
21,9%
Sand
16,6%
Silt
61,4%
15–30 cm
pH H₂O
6,2
Org. C
17,8g/kg
Clay
23,0%
Sand
17,4%
Silt
59,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.5%
Crops49.5%
Built-up1.5%
Bare soil0.6%
Other (grassland, water…)37.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
32,1km
Basins crossed
2
Max stream order
3
Max drainage
1 599km²
Discharge in basins
2,3m³/s
Mean precip.
747mm/an
Mean T°
11,0°C
Moisture idx
-0,03
Max snow
6%
Mean runoff
567mm/an
Mean elev. (basins)
91m
Watersheds crossing here
Rivers / streams (11, ord ≥ 4)
- Le Muezord 1len here6.48 km77%total8 km
- La Cantacheord 2len here4.31 km11%total38 km
- Ruisseau de l'Aunayord 1len here4.29 km81%total5 km
- Le Généralord 3len here4.02 km26%total16 km
- Ruisseau de Charlesord 3len here3.60 km94%total4 km
- Le Couesnonord 4len here3.28 km4%total89 km
- Ruisseau de Guérabouinord 1len here2.57 km74%total3 km
- Le Nançonord 2len here1.65 km12%total14 km
- Ruisseau du Gué Pérouord 1len here1.08 km100%total1 km
- La Minetteord 3len here0.56 km4%total14 km
- Ruisseau du Moulin de la Charrièreord 1len here0.27 km10%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
153,3%
Pesticides
45,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations7
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.