Arga
IUCN IVState Natural Zakaznik · 1963
916 km²
District · RUS
Tyazhinskiy rayon
Russia
DfbCold, no dry season, warm summer(96 %)
Species observed
246
Observations
345
Area
3 314,1km²
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 Tyazhinskiy rayon : 13 espèces reliées par 34 interactions GloBI sur 5 types (connectance 17.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
20
Interactions affichées
34
Connectance
0.179
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
246 distinct species · 345 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
1,2°C
Annual rain
548mm
Warmest m°
22,8°C
Coldest m°
-20,0°C
Elevation: 253 m on average (min 155 m, max 339 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
1,2°C
Annual rain
548mm
Warmest month
22,8°C
Coldest month
-20,0°C
Mean alt.
253m
Min
155m
Max
339m
Std. dev.
33m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(96 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,2
Org. C
54,6g/kg
Clay
30,7%
Sand
36,3%
Silt
33,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
75,8g/kg
Clay
29,3%
Sand
37,4%
Silt
33,3%
5–15 cm
pH H₂O
6,2
Org. C
52,9g/kg
Clay
31,2%
Sand
35,8%
Silt
33,1%
15–30 cm
pH H₂O
6,3
Org. C
35,0g/kg
Clay
31,7%
Sand
35,6%
Silt
32,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest53.8%
Crops7.1%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)39.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology16 basins · 2 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
460,7km
Lake surface here
0,74km²
Basins crossed
16
Max stream order
6
Max drainage
32 144km²
Discharge in basins
313,3m³/s
Mean precip.
460mm/an
Mean T°
0,4°C
Moisture idx
-0,30
Max snow
53%
Mean runoff
152mm/an
Mean elev. (basins)
238m
Watersheds crossing here
- Bassin de Тяжинsub-area2 057,2 km²overlap1346.14 km²41%
- Bassin de Сертаsub-area1 804,1 km²overlap423.82 km²13%
- Bassin de Большая Итаткаsub-area388,5 km²overlap390.36 km²12%
- Bassin de Чулымsub-area369 km²overlap351.32 km²11%
- Bassin de Косульsub-area387,4 km²overlap158.44 km²5%
- Bassin de Четьsub-area3 801,7 km²overlap142.06 km²4%
- Bassin de Урюпsub-area305,6 km²overlap134.04 km²4%
- Bassin de Кузьминкаsub-area326,2 km²overlap101.14 km²3%
- Bassin de Урюпsub-area138,3 km²overlap87.88 km²3%
7 more basinssorted by overlap
- Bassin de Айдатsub-area1 671,7 km²overlap63.02 km²2%
- Bassin de Урюпsub-area189,7 km²overlap59.06 km²2%
- Bassin de Юраsub-area463,4 km²overlap41.66 km²1%
- Bassin de Чулымsub-area53 km²overlap8.35 km²0%
- Bassin de Долгоунsub-area1 621,8 km²overlap4.75 km²0%
- Bassin de Чулымsub-area2 265 km²overlap1.95 km²0%
- Bassin de Урюпsub-area211,8 km²overlap0.08 km²0%
Lakes (2, top by area)
Rivers / streams (21, ord ≥ 4)
- Тяжинord 3len here148.28 km55%total270 km
- Чулымord 6len here43.35 km1%total3432 km
- Урюпord 5len here41.41 km17%total251 km
- Большая Итаткаord 2len here29.06 km100%total29 km
- Даниловкаord 4len here23.13 km23%total101 km
- Поперечнаяord 5len here20.48 km5%total391 km
- Итаткаord 3len here20.33 km25%total81 km
- Кузьминкаord 2len here16.14 km22%total73 km
- Сандайкаord 2len here15.68 km46%total34 km
- Половинкаord 3len here14.07 km20%total70 km
- Малая Итаткаord 2len here12.02 km100%total12 km
- 1-й Казыльюнord 1len here10.83 km100%total11 km
9 more river segmentssorted by Strahler order + length
- Казыльюн 2-йord 1len here10.64 km100%total11 km
- Косульord 3len here9.59 km52%total18 km
- Тяжино-Вершинкаord 2len here8.24 km100%total8 km
- Айдатord 2len here8.18 km11%total78 km
- Сертаord 4len here7.58 km7%total102 km
- Теплаяord 1len here7.47 km100%total7 km
- Малый Корченакord 2len here7.07 km100%total7 km
- Барандаткаord 2len here6.34 km59%total11 km
- Березовкаord 6len here0.82 km0%total307 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
3,1%
Pesticides
3,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 2
Berezovskij
IUCN IVState Natural Zakaznik · 1988
278 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN