Réseau de coteaux calcaires du Ponthieu oriental
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
1 km²
Commune · FRA
Lanches-Saint-Hilaire
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 030
Observations
5 254
Area
5,9km²
Ecological tissue
Sample of 34 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 Lanches-Saint-Hilaire : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 157 interactions GloBI sur 6 types (connectance 26.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
157
Connectance
0.264
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 030 distinct species · 5 254 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,3°C
Annual rain
878mm
Warmest m°
21,6°C
Coldest m°
1,0°C
Elevation: 106 m on average (min 82 m, max 135 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,3°C
Annual rain
878mm
Warmest month
21,6°C
Coldest month
1,0°C
Mean alt.
106m
Min
82m
Max
135m
Std. dev.
17m
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
6,9
Org. C
21,4g/kg
Clay
23,5%
Sand
10,7%
Silt
65,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Somme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
32,9g/kg
Clay
22,7%
Sand
10,6%
Silt
66,7%
5–15 cm
pH H₂O
7,0
Org. C
15,4g/kg
Clay
23,5%
Sand
10,0%
Silt
66,6%
15–30 cm
pH H₂O
7,0
Org. C
16,0g/kg
Clay
24,3%
Sand
11,5%
Silt
64,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.9%
Crops62.3%
Built-up0.2%
Bare soil0.5%
Other (grassland, water…)18.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,6km
Basins crossed
1
Max stream order
2
Max drainage
265km²
Discharge in basins
0,1m³/s
Mean precip.
667mm/an
Mean T°
10,0°C
Moisture idx
-0,08
Max snow
8%
Mean runoff
515mm/an
Mean elev. (basins)
110m
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
0,5nW
Built-up
23,9%
Pesticides
47,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
la vallee du chene
IUCN IVLand acquired by a regional conservatory of natural areas · 1996
0 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.