Ontologia

Commune · FRA

Val-de-Saâne

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

748

Observations

3 189

Area

14km²

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 Val-de-Saâne : 21 espèces reliées par 106 interactions GloBI sur 5 types (connectance 21.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
106
Connectance
0.214
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

748 distinct species · 3 189 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 189 obs · 1 cellules
Obs. / cellule
≥ 3 189
3 189–3 188
3 189–3 188
3 189–3 188
< 3 189

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

10,4°C

Annual rain

941mm

Warmest m°

21,4°C

Coldest m°

1,4°C

Elevation: 129 m on average (min 97 m, max 148 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
941mm
Warmest month
21,4°C
Coldest month
1,4°C
Mean alt.
129m
Min
97m
Max
148m
Std. dev.
13m
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

6,3

Org. C

31,3g/kg

Clay

18,6%

Sand

14,3%

Silt

67,1%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiMaggregated to Seine-Maritime

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
48,7g/kg
Clay
17,3%
Sand
14,0%
Silt
68,7%
5–15 cm
pH H₂O
6,3
Org. C
24,7g/kg
Clay
18,8%
Sand
13,1%
Silt
68,0%
15–30 cm
pH H₂O
6,3
Org. C
20,4g/kg
Clay
19,6%
Sand
15,8%
Silt
64,6%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest9.1%
Crops67.2%
Built-up1.0%
Bare soil0.5%
Other (grassland, water…)22.2%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

7,6km

Basins crossed

1

Max stream order

3

Max drainage

788km²

Discharge in basins

0,1m³/s

Mean precip.

711mm/an

Mean T°

10,3°C

Moisture idx

-0,06

Max snow

7%

Mean runoff

619mm/an

Mean elev. (basins)

102m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

103,3%

Pesticides

46,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

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.