Ontologia

District · RUS

Lenskiy rayon

Russia

DfcCold, no dry season, cold summer(100 %)

Species observed

616

Observations

1 544

Area

10 071,3km²

Ecological tissue

Sample of 23 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 Lenskiy rayon : 19 espèces reliées par 35 interactions GloBI sur 4 types (connectance 13.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
35
Connectance
0.138
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

616 distinct species · 1 544 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 544 obs · 117 cellules
Obs. / cellule
≥ 134
21–133
5–20
3–4
< 3

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

Climate

Mean T°

1,1°C

Annual rain

692mm

Warmest m°

21,0°C

Coldest m°

-16,9°C

Elevation: 130 m on average (min 52 m, max 205 m)

Bioclimatic detailsExpert
Annual mean temp.
1,1°C
Annual rain
692mm
Warmest month
21,0°C
Coldest month
-16,9°C
Mean alt.
130m
Min
52m
Max
205m
Std. dev.
32m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

4,8

Org. C

130,9g/kg

Clay

16,7%

Sand

50,8%

Silt

32,5%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
227,4g/kg
Clay
16,1%
Sand
51,3%
Silt
32,5%
5–15 cm
pH H₂O
4,8
Org. C
130,2g/kg
Clay
16,6%
Sand
50,8%
Silt
32,7%
15–30 cm
pH H₂O
5,0
Org. C
35,0g/kg
Clay
17,5%
Sand
50,4%
Silt
32,2%

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

Land cover

Forest85.5%
Crops0.7%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)13.8%

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

Hydrology27 basins · 5 lakes · 45 rivers

Hydrology metrics for this exact territory

Stream length here

1 255,7km

Lake surface here

2,10km²

Basins crossed

27

Max stream order

7

Max drainage

111 456km²

Discharge in basins

3 018,5m³/s

Mean precip.

601mm/an

Mean T°

0,3°C

Moisture idx

0,09

Max snow

60%

Mean runoff

188mm/an

Mean elev. (basins)

132m

Watersheds crossing here

18 more basins

Lakes (5, top by area)

Rivers / streams (45, ord ≥ 4)

33 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

0,5%

Pesticides

0,8kg/km²

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

Protected areas4

IUCN IV · 4

YArenskij

IUCN IV

State Natural Zakaznik · 1975

374 km²

Lenskij

IUCN IV

State Natural Zakaznik · 1993

167 km²

Kotlasskij

IUCN IV

State Natural Zakaznik · 2002

124 km²

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