Ontologia

Municipality · NLD

Zwolle

Netherlands

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

Species observed

6 865

Observations

615 315

Area

119,4km²

Ecological tissue

Sample of 38 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 Zwolle : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 130 interactions GloBI sur 5 types (connectance 17.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
130
Connectance
0.175
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

6 865 distinct species · 615 315 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

615 315 obs · 5 cellules
Obs. / cellule
≥ 257 725
257 725–257 724
213 533–257 724
67 782–213 532
< 67 782

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

Climate

Mean T°

9,8°C

Annual rain

885mm

Warmest m°

21,6°C

Coldest m°

0,2°C

Elevation: 1 m on average (min -1 m, max 3 m)

Bioclimatic detailsExpert
Annual mean temp.
9,8°C
Annual rain
885mm
Warmest month
21,6°C
Coldest month
0,2°C
Mean alt.
1m
Min
-1m
Max
3m
Std. dev.
1m
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

5,9

Org. C

83,2g/kg

Clay

18,4%

Sand

54,9%

Silt

26,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
100,3g/kg
Clay
18,6%
Sand
55,1%
Silt
26,3%
5–15 cm
pH H₂O
6,0
Org. C
57,9g/kg
Clay
18,2%
Sand
55,4%
Silt
26,3%
15–30 cm
pH H₂O
6,0
Org. C
91,3g/kg
Clay
18,4%
Sand
54,3%
Silt
27,3%

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

Land cover

Forest9.5%
Crops33.1%
Built-up4.6%
Bare soil0.4%
Other (grassland, water…)52.3%

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

Hydrology2 basins · 9 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

26,9km

Lake surface here

1,72km²

Basins crossed

2

Max stream order

5

Max drainage

4 533km²

Discharge in basins

12,3m³/s

Mean precip.

774mm/an

Mean T°

9,1°C

Moisture idx

0,11

Max snow

15%

Mean runoff

464mm/an

Mean elev. (basins)

6m

Watersheds crossing here

Lakes (9, top by area)

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

Human pressure

Pop. density

6hab/km²

Night light

6,0nW

Built-up

462,7%

Pesticides

52,3kg/km²

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

Protected areas7

IUCN Not Reported · 4IUCN IV · 2IUCN Not Assigned · 1

NNN-OV

IUCN Not Assigned

Nature Reserves owned by professional nature management organizations · 2017

632 km²

Rijntakken

IUCN IV

Nature Conservation Act · 2014

231 km²

Rijntakken

IUCN Not Reported

Special Protection Area (Birds Directive) · 1996

231 km²

Rijntakken

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2014

84 km²

Complete list

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