Cours D\'Eau Du Bassin Versant De La Touques
IUCN IVBiotope Protection Order · 2016
8 km²
Commune · FRA
Pierrefitte-en-Auge
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 077
Observations
9 518
Area
5,4km²
Ecological tissue
Sample of 27 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 Pierrefitte-en-Auge : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 5 types (connectance 15.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
28
Interactions affichées
57
Connectance
0.151
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
1 077 distinct species · 9 518 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,0°C
Annual rain
805mm
Warmest m°
22,2°C
Coldest m°
1,9°C
Elevation: 74 m on average (min 17 m, max 116 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,0°C
Annual rain
805mm
Warmest month
22,2°C
Coldest month
1,9°C
Mean alt.
74m
Min
17m
Max
116m
Std. dev.
38m
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
42,7g/kg
Clay
29,3%
Sand
18,5%
Silt
52,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Calvados
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
62,6g/kg
Clay
28,2%
Sand
18,6%
Silt
53,2%
5–15 cm
pH H₂O
6,1
Org. C
42,1g/kg
Clay
30,4%
Sand
17,2%
Silt
52,4%
15–30 cm
pH H₂O
6,1
Org. C
23,4g/kg
Clay
29,2%
Sand
19,7%
Silt
51,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.8%
Crops36.6%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)39.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,6km
Basins crossed
1
Max stream order
3
Max drainage
1 281km²
Discharge in basins
0,1m³/s
Mean precip.
716mm/an
Mean T°
10,0°C
Moisture idx
-0,07
Max snow
8%
Mean runoff
560mm/an
Mean elev. (basins)
151m
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
0,0nW
Built-up
67,4%
Pesticides
29,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1🌊 Marine · 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.