Ontologia

District · RUS

Nerekhtskiy rayon

Russia

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

Species observed

782

Observations

2 531

Area

1 041km²

Ecological tissue

Sample of 37 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 Nerekhtskiy rayon : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 6 types (connectance 13.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
93
Connectance
0.132
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

782 distinct species · 2 531 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 531 obs · 26 cellules
Obs. / cellule
≥ 568
442–567
81–441
17–80
< 17

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

Climate

Mean T°

4,2°C

Annual rain

643mm

Warmest m°

22,3°C

Coldest m°

-11,9°C

Elevation: 130 m on average (min 86 m, max 180 m)

Bioclimatic detailsExpert
Annual mean temp.
4,2°C
Annual rain
643mm
Warmest month
22,3°C
Coldest month
-11,9°C
Mean alt.
130m
Min
86m
Max
180m
Std. dev.
22m
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

5,7

Org. C

96,1g/kg

Clay

18,8%

Sand

49,2%

Silt

32,0%

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
129,7g/kg
Clay
18,9%
Sand
48,5%
Silt
32,6%
5–15 cm
pH H₂O
5,7
Org. C
94,0g/kg
Clay
18,7%
Sand
49,5%
Silt
31,7%
15–30 cm
pH H₂O
5,8
Org. C
64,7g/kg
Clay
18,7%
Sand
49,4%
Silt
31,9%

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

Land cover

Forest38.9%
Crops23.6%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)37.5%

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

Hydrology5 basins · 6 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

191,0km

Lake surface here

3,13km²

Basins crossed

5

Max stream order

4

Max drainage

183 650km²

Discharge in basins

33,1m³/s

Mean precip.

617mm/an

Mean T°

4,2°C

Moisture idx

0,00

Max snow

39%

Mean runoff

163mm/an

Mean elev. (basins)

127m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

11,5%

Pesticides

3,6kg/km²

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