Ontologia

Commune · POL

Czersk

Poland

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

Species observed

796

Observations

3 673

Area

380,1km²

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 Czersk : 29 espèces reliées par 71 interactions GloBI sur 7 types (connectance 8.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
71
Connectance
0.087
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

796 distinct species · 3 673 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 673 obs · 12 cellules
Obs. / cellule
≥ 1 296
701–1 295
285–700
198–284
< 198

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

Climate

Mean T°

7,7°C

Annual rain

617mm

Warmest m°

21,8°C

Coldest m°

-4,1°C

Elevation: 133 m on average (min 114 m, max 156 m)

Bioclimatic detailsExpert
Annual mean temp.
7,7°C
Annual rain
617mm
Warmest month
21,8°C
Coldest month
-4,1°C
Mean alt.
133m
Min
114m
Max
156m
Std. dev.
7m
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

5,4

Org. C

48,5g/kg

Clay

7,4%

Sand

78,5%

Silt

14,0%

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

Dominant lithology: suGLiMaggregated to Chojnice

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
73,2g/kg
Clay
7,1%
Sand
78,5%
Silt
14,4%
5–15 cm
pH H₂O
5,3
Org. C
34,7g/kg
Clay
5,8%
Sand
79,8%
Silt
14,3%
15–30 cm
pH H₂O
5,6
Org. C
37,7g/kg
Clay
9,4%
Sand
77,2%
Silt
13,4%

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

Land cover

Forest53.1%
Crops20.2%
Built-up0.5%
Bare soil0.9%
Other (grassland, water…)25.4%

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

Hydrology5 basins · 7 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

78,6km

Lake surface here

1,41km²

Basins crossed

5

Max stream order

4

Max drainage

2 625km²

Discharge in basins

7,1m³/s

Mean precip.

605mm/an

Mean T°

6,9°C

Moisture idx

-0,08

Max snow

33%

Mean runoff

233mm/an

Mean elev. (basins)

131m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

45,3%

Pesticides

13,1kg/km²

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

Protected areas10

IUCN IV · 4IUCN Not Assigned · 3IUCN Not Reported · 2IUCN V · 1📍 Point sites · 1

Bory Tucholskie

IUCN Not Reported

Special Protection Area (Birds Directive) · 2008

3 230 km²

Mętne

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2012

5 km²

Complete list

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