Ontologia

Commune · POL

Grudziądz

Poland

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

Species observed

302

Observations

476

Area

57,8km²

Ecological tissue

Sample of 36 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 Grudziądz : 24 espèces reliées par 87 interactions GloBI sur 5 types (connectance 13.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
87
Connectance
0.131
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

302 distinct species · 476 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

476 obs · 1 cellules
Obs. / cellule
≥ 476
476–475
476–475
476–475
< 476

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

Climate

Mean T°

8,4°C

Annual rain

526mm

Warmest m°

22,8°C

Coldest m°

-4,0°C

Elevation: 29 m on average (min 18 m, max 69 m)

Bioclimatic detailsExpert
Annual mean temp.
8,4°C
Annual rain
526mm
Warmest month
22,8°C
Coldest month
-4,0°C
Mean alt.
29m
Min
18m
Max
69m
Std. dev.
9m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,1

Org. C

38,6g/kg

Clay

15,1%

Sand

60,7%

Silt

24,1%

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

Dominant lithology: suGLiMaggregated to Grudziądz (City)

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
64,7g/kg
Clay
14,6%
Sand
61,0%
Silt
24,4%
5–15 cm
pH H₂O
6,1
Org. C
29,0g/kg
Clay
14,2%
Sand
61,7%
Silt
24,1%
15–30 cm
pH H₂O
6,3
Org. C
22,0g/kg
Clay
16,6%
Sand
59,5%
Silt
23,8%

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

Land cover

Forest22.2%
Crops15.2%
Built-up5.2%
Bare soil0.5%
Other (grassland, water…)56.9%

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

Hydrology2 basins · 2 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

14,2km

Lake surface here

1,62km²

Basins crossed

2

Max stream order

7

Max drainage

186 373km²

Discharge in basins

56,3m³/s

Mean precip.

554mm/an

Mean T°

7,5°C

Moisture idx

-0,20

Max snow

22%

Mean runoff

170mm/an

Mean elev. (basins)

69m

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

Human pressure

Pop. density

8hab/km²

Night light

12,9nW

Built-up

519,6%

Pesticides

14,7kg/km²

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

Protected areas6

IUCN Not Assigned · 3IUCN Not Reported · 3🌊 Marine · 1

Cytadela Grudziądz

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2017

2 km²

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