Jezior Żnińskich
IUCN Not AssignedProtected Landscape Area · 1991
98 km²
Commune · POL
Gąsawa
Poland
DfbCold, no dry season, warm summer(100 %)
Species observed
335
Observations
3 440
Area
135,8km²
Ecological tissue
Sample of 44 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 Gąsawa : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 6 types (connectance 10.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
98
Connectance
0.104
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
335 distinct species · 3 440 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,5°C
Annual rain
528mm
Warmest m°
22,8°C
Coldest m°
-3,6°C
Elevation: 102 m on average (min 81 m, max 128 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,5°C
Annual rain
528mm
Warmest month
22,8°C
Coldest month
-3,6°C
Mean alt.
102m
Min
81m
Max
128m
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
29,1g/kg
Clay
8,3%
Sand
73,0%
Silt
18,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Żnin
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
53,5g/kg
Clay
7,9%
Sand
73,6%
Silt
18,5%
5–15 cm
pH H₂O
6,1
Org. C
16,6g/kg
Clay
6,8%
Sand
74,4%
Silt
18,8%
15–30 cm
pH H₂O
6,3
Org. C
17,3g/kg
Clay
10,3%
Sand
71,0%
Silt
18,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.4%
Crops55.8%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)19.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 10 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
27,2km
Lake surface here
4,48km²
Basins crossed
3
Max stream order
2
Max drainage
4 891km²
Discharge in basins
0,9m³/s
Mean precip.
550mm/an
Mean T°
7,7°C
Moisture idx
-0,23
Max snow
20%
Mean runoff
118mm/an
Mean elev. (basins)
91m
Watersheds crossing here
Lakes (10, top by area)
- Jezioro Ostrowieckiearea1,4 km²avg depth6.0 m
- Jezioro Oćwieckiearea1,3 km²avg depth6.8 m
- Lac 1327423area1 km²avg depth2.7 m
- Lac 1327517area0,9 km²avg depth5.8 m
- Lac 1327487area0,8 km²avg depth2.9 m
- Lac 1327403area0,5 km²avg depth6.0 m
- Lac 1327382area0,5 km²avg depth3.3 m
- Lac 1327475area0,3 km²avg depth2.5 m
- Lac 1327398area0,2 km²avg depth3.0 m
1 more lakes
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
44,5%
Pesticides
14,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Assigned · 1IUCN Not Reported · 1IUCN IV · 1
Ostoja Barcińsko-Gąsawska
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2012
35 km²
Źródła Gąsawki
IUCN IVNature Reserve · 2001
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN