Ontologia

City with powiat rights · POL

Bydgoszcz (City)

Poland

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

Species observed

1 994

Observations

30 945

Area

176km²

Ecological tissue

Sample of 28 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 Bydgoszcz (City) : 18 espèces reliées par 86 interactions GloBI sur 4 types (connectance 21.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
86
Connectance
0.212
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

1 994 distinct species · 30 945 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 945 obs · 7 cellules
Obs. / cellule
≥ 16 257
16 257–16 256
3 411–16 256
3 064–3 410
< 3 064

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

Climate

Mean T°

8,5°C

Annual rain

527mm

Warmest m°

22,9°C

Coldest m°

-3,7°C

Elevation: 59 m on average (min 28 m, max 101 m)

Bioclimatic detailsExpert
Annual mean temp.
8,5°C
Annual rain
527mm
Warmest month
22,9°C
Coldest month
-3,7°C
Mean alt.
59m
Min
28m
Max
101m
Std. dev.
16m
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

5,2

Org. C

42,3g/kg

Clay

8,4%

Sand

73,2%

Silt

18,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
67,9g/kg
Clay
8,3%
Sand
73,3%
Silt
18,4%
5–15 cm
pH H₂O
5,1
Org. C
29,9g/kg
Clay
7,3%
Sand
74,3%
Silt
18,5%
15–30 cm
pH H₂O
5,4
Org. C
28,9g/kg
Clay
9,6%
Sand
72,1%
Silt
18,3%

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

Land cover

Forest30.7%
Crops11.0%
Built-up6.1%
Bare soil0.6%
Other (grassland, water…)51.5%

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

Hydrology4 basins · 2 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

53,8km

Lake surface here

0,83km²

Basins crossed

4

Max stream order

7

Max drainage

184 445km²

Discharge in basins

94,7m³/s

Mean precip.

555mm/an

Mean T°

7,6°C

Moisture idx

-0,21

Max snow

24%

Mean runoff

142mm/an

Mean elev. (basins)

85m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

10hab/km²

Night light

13,1nW

Built-up

612,3%

Pesticides

11,1kg/km²

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

Protected areas8

IUCN Not Reported · 4IUCN Not Assigned · 4🌊 Marine · 1

Dolina Noteci

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

506 km²

Complete list

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

Sub-administrations1