Ontologia

District · BLR

Polatsak

Belarus

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

Species observed

1 106

Observations

2 813

Area

3 245,4km²

Ecological tissue

Sample of 37 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 Polatsak : 30 espèces reliées par 70 interactions GloBI sur 5 types (connectance 10.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
70
Connectance
0.105
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

1 106 distinct species · 2 813 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 813 obs · 89 cellules
Obs. / cellule
≥ 639
56–638
12–55
6–11
< 6

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

Climate

Mean T°

6,1°C

Annual rain

746mm

Warmest m°

22,1°C

Coldest m°

-8,4°C

Elevation: 141 m on average (min 113 m, max 191 m)

Bioclimatic detailsExpert
Annual mean temp.
6,1°C
Annual rain
746mm
Warmest month
22,1°C
Coldest month
-8,4°C
Mean alt.
141m
Min
113m
Max
191m
Std. dev.
10m
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

5,5

Org. C

98,4g/kg

Clay

15,0%

Sand

55,4%

Silt

29,6%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
130,7g/kg
Clay
15,6%
Sand
54,7%
Silt
29,7%
5–15 cm
pH H₂O
5,5
Org. C
91,5g/kg
Clay
14,9%
Sand
55,2%
Silt
29,9%
15–30 cm
pH H₂O
5,5
Org. C
72,8g/kg
Clay
14,5%
Sand
56,3%
Silt
29,2%

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

Land cover

Forest62.1%
Crops17.5%
Built-up0.3%
Bare soil0.0%
Other (grassland, water…)20.0%

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

Hydrology16 basins · 50 lakes · 48 rivers

Hydrology metrics for this exact territory

Stream length here

676,4km

Lake surface here

58,26km²

Basins crossed

16

Max stream order

6

Max drainage

43 697km²

Discharge in basins

1 422,6m³/s

Mean precip.

647mm/an

Mean T°

5,4°C

Moisture idx

-0,01

Max snow

38%

Mean runoff

229mm/an

Mean elev. (basins)

144m

Lakes (50, top by area)

41 more lakes

Rivers / streams (48, ord ≥ 4)

36 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

1,2nW

Built-up

34,3%

Pesticides

3,4kg/km²

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

Protected areas6

IUCN IV · 6📍 Point sites · 3

Kozyanskiy

IUCN IV

Nature Sanctuary or Partial Reserve · 1960

448 km²

Kozyansky

IUCN IV

Wetland of International Importance (Ramsar Site) · 2013

285 km²

Drozbitka-Svina

IUCN IV

Wetland of International Importance (Ramsar Site) · 2014

67 km²

Lonno

IUCN IV

Nature Sanctuary or Partial Reserve · 1979

4 km²

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