Bory Tucholskie
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2008
3 230 km²
Commune · POL
Chojnice (rural)
Poland
DfbCold, no dry season, warm summer(100 %)
Species observed
1 796
Observations
10 113
Area
458,2km²
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 Chojnice (rural) : 23 espèces reliées par 59 interactions GloBI sur 3 types (connectance 15.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
28
Interactions affichées
59
Connectance
0.156
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
1 796 distinct species · 10 113 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,7°C
Annual rain
632mm
Warmest m°
21,7°C
Coldest m°
-4,1°C
Elevation: 145 m on average (min 114 m, max 193 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,7°C
Annual rain
632mm
Warmest month
21,7°C
Coldest month
-4,1°C
Mean alt.
145m
Min
114m
Max
193m
Std. dev.
15m
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
5,6
Org. C
48,4g/kg
Clay
8,3%
Sand
74,0%
Silt
17,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Chojnice
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
67,0g/kg
Clay
8,1%
Sand
74,1%
Silt
17,8%
5–15 cm
pH H₂O
5,5
Org. C
36,3g/kg
Clay
6,8%
Sand
75,3%
Silt
17,8%
15–30 cm
pH H₂O
5,8
Org. C
41,8g/kg
Clay
9,9%
Sand
72,6%
Silt
17,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest33.4%
Crops42.4%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)23.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 25 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
77,8km
Lake surface here
27,12km²
Basins crossed
7
Max stream order
4
Max drainage
2 625km²
Discharge in basins
15,7m³/s
Mean precip.
622mm/an
Mean T°
7,1°C
Moisture idx
-0,06
Max snow
34%
Mean runoff
237mm/an
Mean elev. (basins)
141m
Watersheds crossing here
- Bassin de Brdasub-area1 110,7 km²overlap206.72 km²45%
- Bassin de Brdasub-area872,8 km²overlap123.42 km²27%
- Bassin de Kamionkasub-area473,3 km²overlap81.00 km²18%
- Bassin de Prądzonasub-area265,9 km²overlap31.48 km²7%
- Bassin de Zbrzycasub-area368,4 km²overlap8.03 km²2%
- Bassin de Brdasub-area7,3 km²overlap7.37 km²2%
- Bassin de Gwdasub-area949,4 km²overlap0.18 km²0%
Lakes (25, top by area)
- Jezioro Charzykowskiearea12,8 km²avg depth10.8 m
- Jezioro Karsińskiearea6,4 km²avg depth8.2 m
- Jezioro Dybrzkarea2,7 km²avg depth9.7 m
- Ostrowitearea2,3 km²avg depth7.2 m
- Jezioro Śpierewnikarea1,2 km²avg depth5.2 m
- Jezioro Łąckiearea1,1 km²avg depth4.6 m
- Lac 1321907area0,9 km²avg depth4.7 m
- Lac 1321903area0,8 km²avg depth6.8 m
- Lac 1321714area0,6 km²avg depth5.1 m
16 more lakes
- Lac 1323295area0,5 km²avg depth4.5 m
- Lac 1322195area0,4 km²avg depth4.3 m
- Lac 1322174area0,3 km²avg depth4.9 m
- Lac 1322971area0,3 km²avg depth2.7 m
- Lac 1322130area0,3 km²avg depth4.1 m
- Lac 1321960area0,3 km²avg depth3.4 m
- Lac 1321845area0,3 km²avg depth5.6 m
- Lac 1323083area0,3 km²avg depth2.7 m
- Lac 1322066area0,2 km²avg depth4.1 m
- Lac 1322536area0,2 km²avg depth5.0 m
- Lac 1322184area0,2 km²avg depth3.7 m
- Lac 1322356area0,2 km²avg depth3.5 m
- Lac 1322215area0,1 km²avg depth3.1 m
- Lac 1322301area0,1 km²avg depth3.9 m
- Lac 1323271area0,1 km²avg depth2.7 m
- Lac 1322321area0,1 km²avg depth3.1 m
Rivers / streams (13, ord ≥ 4)
- Chocinaord 3len here14.38 km48%total30 km
- Suska Strugaord 2len here12.47 km55%total23 km
- Struga Siedmiu Jeziorord 1len here8.26 km83%total10 km
- Zbrzycaord 4len here7.37 km16%total46 km
- Kamionkaord 2len here7.16 km6%total124 km
- Struga Jarcewskaord 2len here6.76 km74%total9 km
- Czerwona Strugaord 3len here5.95 km38%total16 km
- Strugaord 6len here5.71 km3%total180 km
- Brdaord 4len here3.62 km2%total216 km
- Ciechocińska Strugaord 1len here3.58 km72%total5 km
- Kiczord 2len here1.45 km5%total28 km
- Raciąska Strugaord 3len here0.82 km5%total16 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
41,1%
Pesticides
13,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas14
IUCN Not Reported · 6IUCN Not Assigned · 4IUCN V · 3IUCN IV · 1
Krajeński Park Krajobrazowy
IUCN VLandscape Park · 1998
751 km²
Wielki Sandr Brdy
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2004
371 km²
Tucholski Park Krajobrazowy
IUCN VLandscape Park · 1985
366 km²
Zaborski Park Krajobrazowy
IUCN VLandscape Park · 1990
350 km²
Fragment Borów Tucholskich
IUCN Not AssignedProtected Landscape Area · 1981
173 km²
Complete list14 protected areas
- Bory TucholskieSpecial Protection Area (Birds Directive)IUCN Not Reported20083 230 km²
- Krajeński Park KrajobrazowyLandscape ParkIUCN V1998751 km²
- Wielki Sandr BrdySpecial Protection Area (Birds Directive)IUCN Not Reported2004371 km²
- Tucholski Park KrajobrazowyLandscape ParkIUCN V1985366 km²
- Zaborski Park KrajobrazowyLandscape ParkIUCN V1990350 km²
- Fragment Borów TucholskichProtected Landscape AreaIUCN Not Assigned1981173 km²
- Chojnicko-TucholskiProtected Landscape AreaIUCN Not Assigned1991155 km²
- Okolice Jezior Krępsko i SzczytnoProtected Landscape AreaIUCN Not Assigned1981127 km²
- Sandr BrdySpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202275 km²
- Park Narodowy Bory TucholskieNational ParkIUCN Not Assigned199646 km²
- Doliny Brdy i ChocinySite of Community Importance (Habitats Directive)IUCN Not Reported201215 km²
- Czerwona Woda pod BabilonemSite of Community Importance (Habitats Directive)IUCN Not Reported20128 km²
- Las WolnośćSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Jezioro Małe ŁowneNature ReserveIUCN IV19940 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN