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IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
45 km²
Commune · FRA
Blain
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 923
Observations
28 627
Area
102,9km²
Ecological tissue
Sample of 43 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 Blain : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 132 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
132
Connectance
0.140
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 923 distinct species · 28 627 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
829mm
Warmest m°
23,4°C
Coldest m°
2,7°C
Elevation: 26 m on average (min 17 m, max 43 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
829mm
Warmest month
23,4°C
Coldest month
2,7°C
Mean alt.
26m
Min
17m
Max
43m
Std. dev.
6m
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
42,8g/kg
Clay
19,4%
Sand
32,1%
Silt
48,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Loire-Atlantique
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
65,4g/kg
Clay
18,3%
Sand
32,7%
Silt
49,0%
5–15 cm
pH H₂O
5,8
Org. C
36,5g/kg
Clay
19,8%
Sand
31,1%
Silt
49,1%
15–30 cm
pH H₂O
5,8
Org. C
26,6g/kg
Clay
20,0%
Sand
32,4%
Silt
47,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.4%
Crops50.3%
Built-up1.3%
Bare soil0.5%
Other (grassland, water…)32.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
49,1km
Basins crossed
2
Max stream order
3
Max drainage
1 138km²
Discharge in basins
1,6m³/s
Mean precip.
778mm/an
Mean T°
11,4°C
Moisture idx
-0,04
Max snow
5%
Mean runoff
494mm/an
Mean elev. (basins)
39m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- Ruisseau du Pont Serinord 3len here9.24 km72%total13 km
- Le Percheord 3len here6.80 km26%total26 km
- Ruisseau de la Piclotais à l'Arche du Fouanord 2len here6.25 km53%total12 km
- L'Isacord 3len here6.06 km15%total40 km
- Ruisseau de la Goujonnièreord 1len here5.46 km44%total13 km
- Le Courgeonord 1len here5.45 km100%total5 km
- Ruisseau de la Madeleineord 1len here3.76 km100%total4 km
- Canal de Nantes à Brestord 3len here3.66 km15%total25 km
- Ruisseau du Plongeonord 2len here2.46 km100%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,3nW
Built-up
127,8%
Pesticides
44,0kg/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
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.