Ontologia

Commune · POL

Sejny (rural)

Poland

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

Species observed

1 060

Observations

5 539

Area

206,3km²

Ecological tissue

Sample of 42 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 Sejny (rural) : 29 espèces reliées par 92 interactions GloBI sur 5 types (connectance 10.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
92
Connectance
0.102
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

1 060 distinct species · 5 539 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 539 obs · 7 cellules
Obs. / cellule
≥ 1 637
1 637–1 636
977–1 636
653–976
< 653

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

Climate

Mean T°

7,1°C

Annual rain

644mm

Warmest m°

22,1°C

Coldest m°

-5,8°C

Elevation: 141 m on average (min 126 m, max 162 m)

Bioclimatic detailsExpert
Annual mean temp.
7,1°C
Annual rain
644mm
Warmest month
22,1°C
Coldest month
-5,8°C
Mean alt.
141m
Min
126m
Max
162m
Std. dev.
6m
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

6,0

Org. C

72,8g/kg

Clay

12,4%

Sand

59,3%

Silt

28,3%

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

Dominant lithology: suGLiMaggregated to Sejny

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
116,4g/kg
Clay
11,8%
Sand
59,3%
Silt
28,8%
5–15 cm
pH H₂O
6,0
Org. C
50,6g/kg
Clay
12,0%
Sand
59,6%
Silt
28,4%
15–30 cm
pH H₂O
6,1
Org. C
51,4g/kg
Clay
13,2%
Sand
59,0%
Silt
27,8%

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

Land cover

Forest32.7%
Crops39.1%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)27.2%

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

Hydrology3 basins · 17 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

38,2km

Lake surface here

8,50km²

Basins crossed

3

Max stream order

3

Max drainage

1 255km²

Discharge in basins

1,4m³/s

Mean precip.

592mm/an

Mean T°

6,3°C

Moisture idx

-0,14

Max snow

31%

Mean runoff

204mm/an

Mean elev. (basins)

140m

Watersheds crossing here

Lakes (17, top by area)

8 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

28,5%

Pesticides

14,4kg/km²

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

Protected areas6

IUCN Not Reported · 3IUCN IV · 2IUCN Not Assigned · 1

Puszcza Augustowska

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

1 343 km²

Ostoja Augustowska

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2009

1 070 km²

Kukle

IUCN IV

Nature Reserve · 1984

3 km²

Łempis

IUCN IV

Nature Reserve · 1984

1 km²

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