La Sienne Et Ses Affluents
IUCN IVBiotope Protection Order · 2017
18 km²
Commune · FRA
Lengronne
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
838
Observations
7 048
Area
12,4km²
Ecological tissue
Sample of 32 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 Lengronne : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 15.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
78
Connectance
0.157
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
838 distinct species · 7 048 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
976mm
Warmest m°
20,1°C
Coldest m°
3,7°C
Elevation: 90 m on average (min 45 m, max 104 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
976mm
Warmest month
20,1°C
Coldest month
3,7°C
Mean alt.
90m
Min
45m
Max
104m
Std. dev.
11m
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
6,0
Org. C
38,6g/kg
Clay
22,9%
Sand
19,0%
Silt
58,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Manche
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
60,1g/kg
Clay
21,1%
Sand
19,5%
Silt
59,4%
5–15 cm
pH H₂O
6,0
Org. C
33,5g/kg
Clay
23,3%
Sand
18,1%
Silt
58,6%
15–30 cm
pH H₂O
6,0
Org. C
22,4g/kg
Clay
24,3%
Sand
19,4%
Silt
56,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.6%
Crops49.5%
Built-up0.9%
Bare soil0.4%
Other (grassland, water…)39.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,8km
Basins crossed
1
Max stream order
1
Max drainage
764km²
Discharge in basins
0,3m³/s
Mean precip.
798mm/an
Mean T°
10,9°C
Moisture idx
0,10
Max snow
6%
Mean runoff
744mm/an
Mean elev. (basins)
115m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
90,2%
Pesticides
30,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 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.