NNN-LI
IUCN Not AssignedNature Reserves owned by professional nature management organizations · 2017
531 km²
Municipality · NLD
Netherlands
Species observed
6 904
Observations
445 980
Area
82,9km²
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).
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).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
6 904 distinct species · 445 980 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
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
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.)
Nature Reserves owned by professional nature management organizations · 2017
531 km²
Special Protection Area (Birds Directive) · 1983
72 km²
National Park · 1995
21 km²
Nature Conservation Act · 1994
18 km²
Special Areas of Conservation (Habitats Directive) · 2013
18 km²
Special Protection Area (Birds Directive) · 1994
18 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN