Ontologia

District Municipality · LTU

Trakų

Lithuania

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

Species observed

3 586

Observations

37 572

Area

1 692,2km²

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 Trakų : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 6 types (connectance 11.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
100
Connectance
0.116
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

3 586 distinct species · 37 572 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

37 572 obs · 52 cellules
Obs. / cellule
≥ 4 446
2 037–4 445
827–2 036
300–826
< 300

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

Climate

Mean T°

6,8°C

Annual rain

725mm

Warmest m°

21,9°C

Coldest m°

-6,4°C

Elevation: 145 m on average (min 61 m, max 232 m)

Bioclimatic detailsExpert
Annual mean temp.
6,8°C
Annual rain
725mm
Warmest month
21,9°C
Coldest month
-6,4°C
Mean alt.
145m
Min
61m
Max
232m
Std. dev.
24m
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

5,9

Org. C

59,5g/kg

Clay

11,3%

Sand

60,9%

Silt

27,8%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
98,6g/kg
Clay
11,4%
Sand
60,4%
Silt
28,2%
5–15 cm
pH H₂O
5,9
Org. C
41,2g/kg
Clay
11,0%
Sand
60,9%
Silt
28,0%
15–30 cm
pH H₂O
5,9
Org. C
38,6g/kg
Clay
11,5%
Sand
61,5%
Silt
27,1%

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

Land cover

Forest48.9%
Crops28.5%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)21.9%

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

Hydrology10 basins · 50 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

362,8km

Lake surface here

48,25km²

Basins crossed

10

Max stream order

5

Max drainage

16 990km²

Discharge in basins

102,2m³/s

Mean precip.

652mm/an

Mean T°

6,0°C

Moisture idx

-0,04

Max snow

33%

Mean runoff

213mm/an

Mean elev. (basins)

140m

Lakes (50, top by area)

41 more lakes

Rivers / streams (36, ord ≥ 4)

24 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

41,0%

Pesticides

7,3kg/km²

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

Protected areas61

IUCN Not Reported · 43IUCN IV · 12IUCN V · 3IUCN VI · 2IUCN II · 1

Merkio upė

IUCN Not Reported

Site of Community Importance (Habitats Directive)

33 km²

Neries upė

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

25 km²

Complete list

+ 1 protected areas (top 60 shown)

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