Ontologia

Commune · FRA

Graval

France

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

Species observed

690

Observations

3 544

Area

4,2km²

Ecological tissue

Sample of 42 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 Graval : 31 espèces reliées par 91 interactions GloBI sur 6 types (connectance 10.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
91
Connectance
0.106
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

690 distinct species · 3 544 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 544 obs · 1 cellules
Obs. / cellule
≥ 3 544
3 544–3 543
3 544–3 543
3 544–3 543
< 3 544

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

Climate

Mean T°

10,0°C

Annual rain

912mm

Warmest m°

21,1°C

Coldest m°

0,9°C

Elevation: 196 m on average (min 158 m, max 220 m)

Bioclimatic detailsExpert
Annual mean temp.
10,0°C
Annual rain
912mm
Warmest month
21,1°C
Coldest month
0,9°C
Mean alt.
196m
Min
158m
Max
220m
Std. dev.
18m
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

6,7

Org. C

29,4g/kg

Clay

22,8%

Sand

12,2%

Silt

65,0%

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
6,5
Org. C
50,1g/kg
Clay
22,7%
Sand
12,1%
Silt
65,2%
5–15 cm
pH H₂O
6,8
Org. C
21,9g/kg
Clay
23,3%
Sand
11,6%
Silt
65,1%
15–30 cm
pH H₂O
6,7
Org. C
16,2g/kg
Clay
22,3%
Sand
12,9%
Silt
64,7%

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

Land cover

Forest11.8%
Crops61.8%
Built-up0.5%
Bare soil0.9%
Other (grassland, water…)25.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Basins crossed

1

Max stream order

1

Max drainage

1 015km²

Discharge in basins

0,1m³/s

Mean precip.

707mm/an

Mean T°

10,1°C

Moisture idx

-0,06

Max snow

9%

Mean runoff

574mm/an

Mean elev. (basins)

146m

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

Built-up

46,6%

Pesticides

46,1kg/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.