Basses vallées angevines, aval de la rivière Mayenne et prairies de la Baumette
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
92 km²
Commune · FRA
Seiches-sur-le-Loir
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 298
Observations
31 179
Area
28,8km²
Ecological tissue
Sample of 37 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 Seiches-sur-le-Loir : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 6 types (connectance 13.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
97
Connectance
0.131
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
2 298 distinct species · 31 179 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
687mm
Warmest m°
24,0°C
Coldest m°
2,3°C
Elevation: 34 m on average (min 20 m, max 50 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
687mm
Warmest month
24,0°C
Coldest month
2,3°C
Mean alt.
34m
Min
20m
Max
50m
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
6,4
Org. C
30,7g/kg
Clay
22,9%
Sand
39,8%
Silt
37,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Maine-et-Loire
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
49,4g/kg
Clay
21,3%
Sand
41,0%
Silt
37,7%
5–15 cm
pH H₂O
6,5
Org. C
22,3g/kg
Clay
22,9%
Sand
40,1%
Silt
37,0%
15–30 cm
pH H₂O
6,4
Org. C
20,3g/kg
Clay
24,4%
Sand
38,3%
Silt
37,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest33.4%
Crops32.2%
Built-up1.5%
Bare soil0.8%
Other (grassland, water…)32.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
9,3km
Basins crossed
1
Max stream order
5
Max drainage
8 211km²
Discharge in basins
0,5m³/s
Mean precip.
684mm/an
Mean T°
11,2°C
Moisture idx
-0,21
Max snow
5%
Mean runoff
205mm/an
Mean elev. (basins)
84m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,7nW
Built-up
146,1%
Pesticides
44,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Basses vallées angevines et prairies de la Baumette
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
75 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.