Basse Vallée De La Seulles
IUCN IVBiotope Protection Order · 2001
1 km²
Commune · FRA
Tierceville
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 461
Observations
13 747
Area
2,8km²
Ecological tissue
Sample of 35 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 Tierceville : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 5 types (connectance 10.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
65
Connectance
0.109
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
1 461 distinct species · 13 747 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,4°C
Annual rain
834mm
Warmest m°
21,7°C
Coldest m°
3,0°C
Elevation: 37 m on average (min 24 m, max 53 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,4°C
Annual rain
834mm
Warmest month
21,7°C
Coldest month
3,0°C
Mean alt.
37m
Min
24m
Max
53m
Std. dev.
14m
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
6,4
Org. C
35,7g/kg
Clay
26,0%
Sand
18,0%
Silt
56,0%
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
6,4
Org. C
58,1g/kg
Clay
24,6%
Sand
18,2%
Silt
57,2%
5–15 cm
pH H₂O
6,4
Org. C
26,7g/kg
Clay
27,6%
Sand
16,5%
Silt
55,9%
15–30 cm
pH H₂O
6,5
Org. C
22,4g/kg
Clay
25,8%
Sand
19,4%
Silt
54,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.6%
Crops73.0%
Built-up0.7%
Bare soil0.8%
Other (grassland, water…)21.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,7km
Basins crossed
1
Max stream order
2
Max drainage
695km²
Discharge in basins
0,0m³/s
Mean precip.
727mm/an
Mean T°
10,6°C
Moisture idx
-0,01
Max snow
7%
Mean runoff
657mm/an
Mean elev. (basins)
64m
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
0,3nW
Built-up
74,1%
Pesticides
45,6kg/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.