Ontologia

Commune · POL

Żagań

Poland

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

Species observed

452

Observations

1 588

Area

40,4km²

Ecological tissue

Sample of 33 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 Żagań : 20 espèces reliées par 125 interactions GloBI sur 5 types (connectance 18.8%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
125
Connectance
0.188
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

452 distinct species · 1 588 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 588 obs · 2 cellules
Obs. / cellule
≥ 892
892–891
892–891
892–891
< 892

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

Climate

Mean T°

9,4°C

Annual rain

657mm

Warmest m°

23,7°C

Coldest m°

-2,9°C

Elevation: 111 m on average (min 96 m, max 142 m)

Bioclimatic detailsExpert
Annual mean temp.
9,4°C
Annual rain
657mm
Warmest month
23,7°C
Coldest month
-2,9°C
Mean alt.
111m
Min
96m
Max
142m
Std. dev.
7m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

31,8g/kg

Clay

10,0%

Sand

65,3%

Silt

24,7%

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

Dominant lithology: suGLiMaggregated to Żagań

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
60,1g/kg
Clay
9,7%
Sand
66,6%
Silt
23,6%
5–15 cm
pH H₂O
5,6
Org. C
21,6g/kg
Clay
8,0%
Sand
68,0%
Silt
24,0%
15–30 cm
pH H₂O
5,9
Org. C
13,6g/kg
Clay
12,2%
Sand
61,4%
Silt
26,4%

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

Land cover

Forest54.0%
Crops7.6%
Built-up2.7%
Bare soil0.9%
Other (grassland, water…)34.8%

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

Hydrology3 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

19,1km

Basins crossed

3

Max stream order

5

Max drainage

5 943km²

Discharge in basins

8,2m³/s

Mean precip.

591mm/an

Mean T°

8,6°C

Moisture idx

-0,19

Max snow

26%

Mean runoff

181mm/an

Mean elev. (basins)

144m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

5,0nW

Built-up

269,9%

Pesticides

14,9kg/km²

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

Protected areas5

IUCN Not Reported · 3IUCN Not Assigned · 2

Bory Dolnośląskie

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

1 721 km²

Dolina Bobru

IUCN Not Assigned

Protected Landscape Area · 2003

119 km²

Dolina Dolnego Bobru

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2012

17 km²

Małomickie Łęgi

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2012

10 km²

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