Ontologia

Subdivision · BEL

Jalhay

Belgium

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

Species observed

2 671

Observations

19 478

Area

119,3km²

Ecological tissue

Sample of 48 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 Jalhay : 35 espèces reliées par 140 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
140
Connectance
0.124
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

2 671 distinct species · 19 478 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 478 obs · 4 cellules
Obs. / cellule
≥ 8 078
8 078–8 077
4 584–8 077
4 584–4 583
< 4 584

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

Climate

Mean T°

8,2°C

Annual rain

1 254mm

Warmest m°

19,9°C

Coldest m°

-1,9°C

Elevation: 432 m on average (min 273 m, max 667 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
1 254mm
Warmest month
19,9°C
Coldest month
-1,9°C
Mean alt.
432m
Min
273m
Max
667m
Std. dev.
96m
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

5,0

Org. C

69,4g/kg

Clay

26,7%

Sand

18,9%

Silt

54,5%

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

Dominant lithology: scGLiMaggregated to Liège

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
105,8g/kg
Clay
26,7%
Sand
18,2%
Silt
55,0%
5–15 cm
pH H₂O
5,1
Org. C
70,0g/kg
Clay
26,9%
Sand
18,6%
Silt
54,6%
15–30 cm
pH H₂O
5,1
Org. C
32,6g/kg
Clay
26,4%
Sand
19,8%
Silt
53,8%

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

Land cover

Forest51.4%
Crops21.4%
Built-up0.6%
Bare soil0.2%
Other (grassland, water…)26.4%

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

Hydrology2 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

22,4km

Lake surface here

0,03km²

Basins crossed

2

Max stream order

2

Max drainage

1 065km²

Discharge in basins

1,5m³/s

Mean precip.

1 058mm/an

Mean T°

8,3°C

Moisture idx

0,35

Max snow

23%

Mean runoff

399mm/an

Mean elev. (basins)

361m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

60,5%

Pesticides

48,5kg/km²

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

Protected areas26

IUCN Not Reported · 18IUCN IV · 8

Les Hautes Fagnes

IUCN IV

Wetland of International Importance (Ramsar Site) · 2003

100 km²

Hautes Fagnes

IUCN IV

State Nature Reserve (Walloon Region) · 2000

62 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN