CHavash Varmane
IUCN IINational Park · 1993
253 km²
District · RUS
Alatyrskiy rayon
Russia
DfbCold, no dry season, warm summer(100 %)
Species observed
2 315
Observations
16 141
Area
1 893,5km²
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 Alatyrskiy rayon : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 4 types (connectance 11.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
92
Connectance
0.112
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 315 distinct species · 16 141 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,7°C
Annual rain
502mm
Warmest m°
23,8°C
Coldest m°
-12,8°C
Elevation: 147 m on average (min 82 m, max 272 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
4,7°C
Annual rain
502mm
Warmest month
23,8°C
Coldest month
-12,8°C
Mean alt.
147m
Min
82m
Max
272m
Std. dev.
43m
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
5,8
Org. C
46,4g/kg
Clay
26,8%
Sand
34,6%
Silt
38,6%
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
5,7
Org. C
76,1g/kg
Clay
25,7%
Sand
34,8%
Silt
39,5%
5–15 cm
pH H₂O
5,8
Org. C
40,9g/kg
Clay
26,4%
Sand
34,8%
Silt
38,8%
15–30 cm
pH H₂O
5,8
Org. C
22,3g/kg
Clay
28,2%
Sand
34,2%
Silt
37,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest62.9%
Crops12.5%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)24.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 3 lakes · 28 rivers
Hydrology metrics for this exact territory
Stream length here
378,5km
Lake surface here
0,82km²
Basins crossed
12
Max stream order
6
Max drainage
50 018km²
Discharge in basins
654,4m³/s
Mean precip.
530mm/an
Mean T°
4,0°C
Moisture idx
-0,21
Max snow
42%
Mean runoff
86mm/an
Mean elev. (basins)
151m
Watersheds crossing here
- Bassin de Сураsub-area1 340,6 km²overlap814.46 km²43%
- Bassin de Безднаsub-area1 316,7 km²overlap495.28 km²26%
- Bassin de Сураsub-area177,9 km²overlap178.67 km²9%
- Bassin de Алатырьsub-area1 237 km²overlap119.66 km²6%
- Bassin de Иретьsub-area122,5 km²overlap98.66 km²5%
- Bassin de Мокрый ручейsub-area111,9 km²overlap87.41 km²5%
- Bassin de Барышsub-area300,8 km²overlap42.56 km²2%
- Bassin de Сураsub-area19,9 km²overlap18.81 km²1%
- Bassin de Малая Саркаsub-area320,8 km²overlap16.61 km²1%
Lakes (3, top by area)
Rivers / streams (28, ord ≥ 4)
- Сураord 8len here82.53 km8%total1057 km
- Безднаord 6len here42.94 km34%total128 km
- Люляord 3len here19.86 km60%total33 km
- Атраткаord 2len here19.36 km100%total19 km
- Мокрый ручейord 2len here17.77 km92%total19 km
- Орбезднаord 2len here17.18 km96%total18 km
- Кувалдаord 1len here17.14 km100%total17 km
- Ичиксыord 2len here16.91 km100%total17 km
- Черная Безднаord 3len here14.21 km56%total25 km
- Орликord 3len here14.15 km18%total80 km
- Алатырьord 5len here11.93 km3%total372 km
- Абачиord 3len here11.56 km100%total12 km
16 more river segmentssorted by Strahler order + length
- Сусолейкаord 1len here10.32 km51%total20 km
- Иретьord 1len here9.30 km78%total12 km
- Тозловкаord 4len here8.85 km100%total9 km
- Пикшараord 2len here8.40 km45%total19 km
- Шумкаord 3len here8.04 km24%total34 km
- Кармалаord 5len here7.99 km7%total108 km
- Стемасord 2len here7.37 km16%total46 km
- Милисарord 1len here6.55 km100%total7 km
- Чарклейкаord 1len here4.94 km100%total5 km
- Крутолейord 2len here4.81 km100%total5 km
- Явлейкаord 6len here4.53 km67%total7 km
- Караксирмаord 1len here4.21 km100%total4 km
- Малая Саркаord 2len here2.94 km5%total59 km
- Теплыйord 1len here2.55 km71%total4 km
- Сменерord 1len here1.61 km100%total2 km
- Каляord 2len here0.60 km7%total9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
15,3%
Pesticides
3,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 2IUCN II · 1IUCN Ia · 1IUCN III · 1
Surskij im.S.A.Buturlina
IUCN IVState Natural Zakaznik · 1985
238 km²
Prisurskij
IUCN IaState Natural Zapovednik · 1995
91 km²
YAvlejskaya roshha
IUCN IIINatural Monument
2 km²
Alatyrskij
IUCN IVState Natural Zakaznik · 1996
2 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN