Vallée du Loir de Vaas à Bazouges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2023
42 km²
Commune · FRA
La Flèche
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 897
Observations
17 420
Area
80km²
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 La Flèche : 22 espèces reliées par 54 interactions GloBI sur 5 types (connectance 13.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
54
Connectance
0.133
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
1 897 distinct species · 17 420 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,9°C
Annual rain
726mm
Warmest m°
23,9°C
Coldest m°
2,1°C
Elevation: 48 m on average (min 27 m, max 100 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,9°C
Annual rain
726mm
Warmest month
23,9°C
Coldest month
2,1°C
Mean alt.
48m
Min
27m
Max
100m
Std. dev.
18m
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
6,3
Org. C
34,0g/kg
Clay
23,6%
Sand
42,2%
Silt
34,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Sarthe
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
54,7g/kg
Clay
22,0%
Sand
43,9%
Silt
34,1%
5–15 cm
pH H₂O
6,3
Org. C
27,6g/kg
Clay
23,3%
Sand
43,3%
Silt
33,4%
15–30 cm
pH H₂O
6,3
Org. C
19,7g/kg
Clay
25,6%
Sand
39,5%
Silt
34,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.5%
Crops30.2%
Built-up2.1%
Bare soil0.6%
Other (grassland, water…)35.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
22,4km
Lake surface here
0,37km²
Basins crossed
1
Max stream order
5
Max drainage
8 211km²
Discharge in basins
1,5m³/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
Lakes (1, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
210,9%
Pesticides
44,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Marais De Cré-Sur-Loir Et La Flèche
IUCN IVRegional Nature Reserve · 2008
1 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.