Ontologia

Commune · POL

Chełmża

Poland

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

Species observed

290

Observations

707

Area

7,8km²

Ecological tissue

Sample of 34 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 Chełmża : 23 espèces reliées par 116 interactions GloBI sur 6 types (connectance 20.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
116
Connectance
0.207
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

290 distinct species · 707 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

707 obs · 1 cellules
Obs. / cellule
≥ 707
707–706
707–706
707–706
< 707

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

Climate

Mean T°

8,2°C

Annual rain

553mm

Warmest m°

22,6°C

Coldest m°

-4,0°C

Elevation: 90 m on average (min 86 m, max 102 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
553mm
Warmest month
22,6°C
Coldest month
-4,0°C
Mean alt.
90m
Min
86m
Max
102m
Std. dev.
3m
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

6,5

Org. C

25,3g/kg

Clay

13,7%

Sand

61,6%

Silt

24,7%

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

Dominant lithology: suGLiMaggregated to Toruń

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
49,6g/kg
Clay
12,9%
Sand
62,0%
Silt
25,1%
5–15 cm
pH H₂O
6,5
Org. C
12,4g/kg
Clay
13,4%
Sand
62,0%
Silt
24,6%
15–30 cm
pH H₂O
6,6
Org. C
14,0g/kg
Clay
14,8%
Sand
61,0%
Silt
24,3%

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

Land cover

Forest6.3%
Crops30.2%
Built-up5.6%
Bare soil0.5%
Other (grassland, water…)57.4%

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

Hydrology1 basins · 2 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,4km

Lake surface here

0,76km²

Basins crossed

1

Max stream order

2

Max drainage

241km²

Discharge in basins

0,0m³/s

Mean precip.

543mm/an

Mean T°

7,6°C

Moisture idx

-0,24

Max snow

20%

Mean runoff

145mm/an

Mean elev. (basins)

85m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

11hab/km²

Night light

9,0nW

Built-up

564,0%

Pesticides

14,5kg/km²

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