Ontologia

District · LVA

Daugavpils

Latvia

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

Species observed

3 416

Observations

46 189

Area

2 721,2km²

Ecological tissue

Sample of 20 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 Daugavpils : 14 espèces reliées par 42 interactions GloBI sur 3 types (connectance 22.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
42
Connectance
0.221
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

3 416 distinct species · 46 189 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

46 189 obs · 93 cellules
Obs. / cellule
≥ 15 353
682–15 352
241–681
85–240
< 85

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

Climate

Mean T°

6,3°C

Annual rain

667mm

Warmest m°

21,9°C

Coldest m°

-7,4°C

Elevation: 130 m on average (min 87 m, max 190 m)

Bioclimatic detailsExpert
Annual mean temp.
6,3°C
Annual rain
667mm
Warmest month
21,9°C
Coldest month
-7,4°C
Mean alt.
130m
Min
87m
Max
190m
Std. dev.
25m
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

78,7g/kg

Clay

16,7%

Sand

50,4%

Silt

32,9%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
106,1g/kg
Clay
15,8%
Sand
50,5%
Silt
33,7%
5–15 cm
pH H₂O
6,1
Org. C
71,9g/kg
Clay
15,6%
Sand
51,3%
Silt
33,1%
15–30 cm
pH H₂O
6,0
Org. C
58,1g/kg
Clay
18,7%
Sand
49,3%
Silt
32,0%

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

Land cover

Forest40.8%
Crops32.8%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)26.0%

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

Hydrology11 basins · 50 lakes · 44 rivers

Hydrology metrics for this exact territory

Stream length here

543,7km

Lake surface here

47,60km²

Basins crossed

11

Max stream order

6

Max drainage

66 538km²

Discharge in basins

502,4m³/s

Mean precip.

654mm/an

Mean T°

5,5°C

Moisture idx

0,03

Max snow

34%

Mean runoff

254mm/an

Mean elev. (basins)

131m

Lakes (50, top by area)

41 more lakes

Rivers / streams (44, ord ≥ 4)

32 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

28,1%

Pesticides

8,1kg/km²

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

Protected areas61

IUCN Not Reported · 21IUCN IV · 19IUCN III · 13IUCN II · 5IUCN V · 3

Augšdaugava

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

521 km²

Augšdaugava

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

521 km²

Augšzeme

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

208 km²

Augšzeme

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

208 km²

Augšzeme

IUCN V

Protected Landscape Area · 1977

208 km²

Complete list

+ 1 protected areas (top 60 shown)

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