NNN-FR
IUCN Not AssignedNature Reserves owned by professional nature management organizations · 2014
2 178 km²
Municipality · NLD
Netherlands
Species observed
5 529
Observations
301 682
Area
162km²
Sample of 35 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 Tytsjerksteradiel : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 6 types (connectance 17.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
5 529 distinct species · 301 682 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
9,6°C
Annual rain
884mm
Warmest m°
20,4°C
Coldest m°
0,5°C
Elevation: -0 m on average (min -2 m, max 3 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,5
Org. C
88,3g/kg
Clay
36,1%
Sand
18,4%
Silt
45,5%
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
34,6km
Lake surface here
7,79km²
Basins crossed
2
Max stream order
2
Max drainage
1 454km²
Discharge in basins
2,4m³/s
Mean precip.
790mm/an
Mean T°
8,8°C
Moisture idx
0,22
Max snow
14%
Mean runoff
476mm/an
Mean elev. (basins)
-1m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
1,0nW
Built-up
142,4%
Pesticides
47,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Nature Reserves owned by professional nature management organizations · 2014
2 178 km²
National Park · 2006
34 km²
Wetland of International Importance (Ramsar Site) · 1992
21 km²
Nature Conservation Act · 1994
21 km²
Special Protection Area (Birds Directive) · 1994
21 km²
Special Areas of Conservation (Habitats Directive) · 2013
21 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN