Ontologia

District · RUS

Kholmskiy rayon

Russia

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

Species observed

541

Observations

3 356

Area

2 094,6km²

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 Kholmskiy rayon : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 7 types (connectance 11.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
74
Connectance
0.111
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

541 distinct species · 3 356 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 356 obs · 30 cellules
Obs. / cellule
≥ 2 369
118–2 368
41–117
20–40
< 20

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

Climate

Mean T°

5,7°C

Annual rain

776mm

Warmest m°

21,9°C

Coldest m°

-9,2°C

Elevation: 107 m on average (min 55 m, max 299 m)

Bioclimatic detailsExpert
Annual mean temp.
5,7°C
Annual rain
776mm
Warmest month
21,9°C
Coldest month
-9,2°C
Mean alt.
107m
Min
55m
Max
299m
Std. dev.
52m
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

5,4

Org. C

111,6g/kg

Clay

15,1%

Sand

49,1%

Silt

35,7%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
156,2g/kg
Clay
14,4%
Sand
49,1%
Silt
36,4%
5–15 cm
pH H₂O
5,4
Org. C
118,2g/kg
Clay
14,7%
Sand
49,1%
Silt
36,2%
15–30 cm
pH H₂O
5,5
Org. C
60,5g/kg
Clay
16,2%
Sand
49,1%
Silt
34,7%

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

Land cover

Forest76.6%
Crops7.4%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)16.0%

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

Hydrology11 basins · 3 lakes · 25 rivers

Hydrology metrics for this exact territory

Stream length here

509,8km

Lake surface here

0,58km²

Basins crossed

11

Max stream order

6

Max drainage

15 228km²

Discharge in basins

249,5m³/s

Mean precip.

611mm/an

Mean T°

4,3°C

Moisture idx

-0,04

Max snow

44%

Mean runoff

284mm/an

Mean elev. (basins)

122m

Watersheds crossing here

2 more basins

Lakes (3, top by area)

Rivers / streams (25, ord ≥ 4)

13 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,3%

Pesticides

0,7kg/km²

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

Protected areas6

IUCN IV · 5IUCN III · 1

Rdejskij

IUCN IV

State Natural Zakaznik · 1977

90 km²

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