Ontologia

District · RUS

Nikolaevskiy rayon

Russia

DfbCold, no dry season, warm summer(79 %)

Species observed

756

Observations

1 534

Area

14 982,9km²

Ecological tissue

Sample of 40 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 Nikolaevskiy rayon : 36 espèces reliées par 36 interactions GloBI sur 3 types (connectance 4.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
36
Connectance
0.046
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

756 distinct species · 1 534 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 534 obs · 296 cellules
Obs. / cellule
≥ 46
10–45
4–9
2–3
< 2

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

Climate

Mean T°

-1,7°C

Annual rain

809mm

Warmest m°

20,1°C

Coldest m°

-24,9°C

Elevation: 144 m on average (min -152 m, max 951 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,7°C
Annual rain
809mm
Warmest month
20,1°C
Coldest month
-24,9°C
Mean alt.
144m
Min
-152m
Max
951m
Std. dev.
136m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(79 %)Cold

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

Soil & lithology

pH H₂O

5,7

Org. C

79,4g/kg

Clay

23,9%

Sand

43,6%

Silt

32,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
96,3g/kg
Clay
23,7%
Sand
43,2%
Silt
33,1%
5–15 cm
pH H₂O
5,7
Org. C
75,0g/kg
Clay
23,9%
Sand
43,1%
Silt
33,0%
15–30 cm
pH H₂O
5,8
Org. C
66,9g/kg
Clay
24,2%
Sand
44,4%
Silt
31,4%

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

Land cover

Forest63.9%
Crops0.1%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)35.9%

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

Hydrology30 basins · 30 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

2 095,2km

Lake surface here

475,72km²

Basins crossed

30

Max stream order

9

Max drainage

1 998 203km²

Discharge in basins

36 995,4m³/s

Mean precip.

631mm/an

Mean T°

-2,1°C

Moisture idx

0,15

Max snow

61%

Mean runoff

358mm/an

Mean elev. (basins)

159m

Watersheds crossing here

21 more basins

Lakes (30, top by area)

21 more lakes

Rivers / streams (100, ord ≥ 4)

88 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

1,0%

Pesticides

0,0kg/km²

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

Protected areas7

IUCN IV · 6IUCN III · 1🌊 Marine · 5

Ulskij

IUCN IV

State Natural Zakaznik · 1990

505 km²

Priozernyj

IUCN IV

State Natural Zakaznik · 1997

338 km²

Complete list

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