Réseau de coteaux calcaires du Ponthieu oriental
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
1 km²
Commune · FRA
Autheux
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
764
Observations
4 879
Area
8,4km²
Ecological tissue
Sample of 31 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 Autheux : 25 espèces reliées par 55 interactions GloBI sur 4 types (connectance 11.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
55
Connectance
0.118
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
764 distinct species · 4 879 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,1°C
Annual rain
882mm
Warmest m°
21,4°C
Coldest m°
0,8°C
Elevation: 132 m on average (min 86 m, max 154 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,1°C
Annual rain
882mm
Warmest month
21,4°C
Coldest month
0,8°C
Mean alt.
132m
Min
86m
Max
154m
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
7,0
Org. C
28,7g/kg
Clay
23,5%
Sand
11,1%
Silt
65,4%
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
6,9
Org. C
43,0g/kg
Clay
22,4%
Sand
10,8%
Silt
66,7%
5–15 cm
pH H₂O
7,1
Org. C
23,2g/kg
Clay
24,2%
Sand
10,0%
Silt
65,7%
15–30 cm
pH H₂O
7,1
Org. C
19,7g/kg
Clay
23,9%
Sand
12,3%
Silt
63,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.3%
Crops74.0%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)15.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
1 103km²
Discharge in basins
0,2m³/s
Mean precip.
662mm/an
Mean T°
10,1°C
Moisture idx
-0,06
Max snow
8%
Mean runoff
542mm/an
Mean elev. (basins)
92m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
30,2%
Pesticides
48,2kg/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.