Ontologia

District Municipality · LTU

Alytaus

Lithuania

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

Species observed

3 277

Observations

27 443

Area

1 493,8km²

Ecological tissue

Sample of 26 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 Alytaus : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 2 types (connectance 16.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
52
Connectance
0.160
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

3 277 distinct species · 27 443 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 443 obs · 44 cellules
Obs. / cellule
≥ 4 915
1 565–4 914
685–1 564
286–684
< 286

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

688mm

Warmest m°

22,1°C

Coldest m°

-5,8°C

Elevation: 119 m on average (min 63 m, max 186 m)

Bioclimatic detailsExpert
Annual mean temp.
7,1°C
Annual rain
688mm
Warmest month
22,1°C
Coldest month
-5,8°C
Mean alt.
119m
Min
63m
Max
186m
Std. dev.
27m
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

58,2g/kg

Clay

12,8%

Sand

58,0%

Silt

29,2%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
101,9g/kg
Clay
12,6%
Sand
57,8%
Silt
29,6%
5–15 cm
pH H₂O
6,1
Org. C
35,2g/kg
Clay
12,5%
Sand
58,2%
Silt
29,3%
15–30 cm
pH H₂O
6,1
Org. C
37,5g/kg
Clay
13,3%
Sand
57,9%
Silt
28,8%

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

Land cover

Forest29.5%
Crops40.4%
Built-up0.5%
Bare soil0.7%
Other (grassland, water…)29.0%

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

Hydrology6 basins · 40 lakes · 43 rivers

Hydrology metrics for this exact territory

Stream length here

318,8km

Lake surface here

36,18km²

Basins crossed

6

Max stream order

6

Max drainage

42 068km²

Discharge in basins

186,5m³/s

Mean precip.

622mm/an

Mean T°

6,2°C

Moisture idx

-0,10

Max snow

33%

Mean runoff

196mm/an

Mean elev. (basins)

119m

Lakes (40, top by area)

31 more lakes

Rivers / streams (43, ord ≥ 4)

31 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

46,1%

Pesticides

8,0kg/km²

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

Protected areas38

IUCN Not Reported · 21IUCN IV · 12IUCN V · 3IUCN II · 1IUCN Ia · 1

Dainavos giria

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

555 km²

Dainavos giria

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2023

549 km²

Complete list

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