Ontologia

Municipality · NLD

Roerdalen

Netherlands

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

Species observed

6 904

Observations

445 980

Area

82,9km²

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 Roerdalen : 34 espèces reliées par 103 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
103
Connectance
0.120
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

6 904 distinct species · 445 980 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

445 980 obs · 2 cellules
Obs. / cellule
≥ 299 698
299 698–299 697
299 698–299 697
299 698–299 697
< 299 698

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

Climate

Mean T°

10,5°C

Annual rain

808mm

Warmest m°

22,8°C

Coldest m°

0,3°C

Elevation: 36 m on average (min 22 m, max 79 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
808mm
Warmest month
22,8°C
Coldest month
0,3°C
Mean alt.
36m
Min
22m
Max
79m
Std. dev.
15m
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

5,7

Org. C

31,7g/kg

Clay

17,1%

Sand

52,7%

Silt

30,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
48,7g/kg
Clay
19,4%
Sand
50,6%
Silt
29,9%
5–15 cm
pH H₂O
5,8
Org. C
26,0g/kg
Clay
15,4%
Sand
53,5%
Silt
31,1%
15–30 cm
pH H₂O
5,8
Org. C
20,4g/kg
Clay
16,5%
Sand
53,9%
Silt
29,6%

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

Land cover

Forest29.7%
Crops40.4%
Built-up2.0%
Bare soil0.7%
Other (grassland, water…)27.2%

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

Hydrology4 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

32,9km

Basins crossed

4

Max stream order

4

Max drainage

25 520km²

Discharge in basins

4,3m³/s

Mean precip.

894mm/an

Mean T°

9,1°C

Moisture idx

0,19

Max snow

15%

Mean runoff

403mm/an

Mean elev. (basins)

227m

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

Human pressure

Pop. density

1hab/km²

Night light

2,4nW

Built-up

196,2%

Pesticides

50,3kg/km²

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

Protected areas23

IUCN IV · 8IUCN Not Reported · 7IUCN V · 6IUCN Not Assigned · 1IUCN II · 1

NNN-LI

IUCN Not Assigned

Nature Reserves owned by professional nature management organizations · 2017

531 km²

Meinweg

IUCN IV

Nature Conservation Act · 1994

18 km²

Meinweg

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2013

18 km²

Meinweg

IUCN Not Reported

Special Protection Area (Birds Directive) · 1994

18 km²

Complete list

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