Siverskyi Donets river valley in Kharkiv oblast - 2
IUCN Not ReportedEmerald Network
814 km²
District · UKR
Iziums'kyi
Ukraine
DfaCold, no dry season, hot summer(86 %)
Species observed
1 382
Observations
5 486
Area
1 593,9km²
Ecological tissue
Sample of 38 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 Iziums'kyi : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
62
Connectance
0.084
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
1 382 distinct species · 5 486 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,4°C
Annual rain
587mm
Warmest m°
26,3°C
Coldest m°
-7,5°C
Elevation: 134 m on average (min 62 m, max 232 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,4°C
Annual rain
587mm
Warmest month
26,3°C
Coldest month
-7,5°C
Mean alt.
134m
Min
62m
Max
232m
Std. dev.
35m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(86 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
49,4g/kg
Clay
35,1%
Sand
16,4%
Silt
48,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
82,5g/kg
Clay
33,0%
Sand
17,6%
Silt
49,3%
5–15 cm
pH H₂O
6,9
Org. C
34,8g/kg
Clay
34,6%
Sand
16,6%
Silt
48,8%
15–30 cm
pH H₂O
6,9
Org. C
30,8g/kg
Clay
37,5%
Sand
14,9%
Silt
47,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest26.1%
Crops46.4%
Built-up0.1%
Bare soil0.5%
Other (grassland, water…)26.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 8 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
264,9km
Lake surface here
17,14km²
Basins crossed
7
Max stream order
6
Max drainage
38 721km²
Discharge in basins
99,8m³/s
Mean precip.
519mm/an
Mean T°
7,7°C
Moisture idx
-0,34
Max snow
19%
Mean runoff
90mm/an
Mean elev. (basins)
132m
Watersheds crossing here
- Bassin de Сіверський Донецьsub-area1 002 km²overlap928.01 km²58%
- Bassin de Оскілsub-area2 535,9 km²overlap256.31 km²16%
- Bassin de Сіверський Донецьsub-area590,4 km²overlap180.54 km²11%
- Bassin de Берекаsub-area2 643,5 km²overlap135.28 km²8%
- Bassin de Сіверський Донецьsub-area780,5 km²overlap49.80 km²3%
- Bassin de Крайня Балаклійкаsub-area1 178,9 km²overlap28.04 km²2%
- Bassin de Сухий Торецьsub-area1 593 km²overlap15.91 km²1%
Lakes (8, top by area)
Rivers / streams (12, ord ≥ 4)
- Сіверський Донецьord 6len here77.76 km9%total899 km
- Мокрий Ізюмецьord 3len here44.26 km92%total48 km
- Оскілord 6len here40.58 km24%total169 km
- річка Греківкаord 3len here21.51 km100%total21 km
- Бахтинord 1len here18.15 km100%total18 km
- Куньяord 2len here17.62 km100%total18 km
- Велика Комишувахаord 3len here16.91 km42%total41 km
- Сухий Ізюмецьord 3len here14.72 km61%total24 km
- Велика Камишевахаord 1len here7.59 km100%total8 km
- річка Букинкаord 1len here2.82 km100%total3 km
- Теплянкаord 6len here1.83 km6%total31 km
- Грузькаord 2len here1.15 km9%total13 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
13,0%
Pesticides
32,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas22
IUCN Not Reported · 22
Sviati hory
IUCN Not ReportedNational nature park · 1997
446 km²
Sviati Hory
IUCN Not ReportedEmerald Network
433 km²
Barvinkivski steppes
IUCN Not ReportedEmerald Network
104 km²
Chervonooskilske Reservoir
IUCN Not ReportedEmerald Network
101 km²
Chervonooskilskyi
IUCN Not ReportedRegional landscape park · 2010
67 km²
Complete list22 protected areas
- Siverskyi Donets river valley in Kharkiv oblast - 2Emerald NetworkIUCN Not Reported814 km²
- Sviati horyNational nature parkIUCN Not Reported1997446 km²
- Sviati HoryEmerald NetworkIUCN Not Reported433 km²
- Barvinkivski steppesEmerald NetworkIUCN Not Reported104 km²
- Chervonooskilske ReservoirEmerald NetworkIUCN Not Reported101 km²
- ChervonooskilskyiRegional landscape parkIUCN Not Reported201067 km²
- Dry and Wet IzyumtsiEmerald NetworkIUCN Not Reported67 km²
- Kam`yanka izyums`kaEmerald NetworkIUCN Not Reported52 km²
- Iziumska lukaRegional landscape parkIUCN Not Reported200351 km²
- Iziumska Luka Regional Landscape ParkEmerald NetworkIUCN Not Reported50 km²
- Lysogirka izyumskaEmerald NetworkIUCN Not Reported34 km²
- ZavodyEmerald NetworkIUCN Not Reported11 km²
- KaravanZakaznykIUCN Not Reported19843 km²
- SynychynskyiZakaznykIUCN Not Reported20173 km²
- Hora Krem’ianetsNatural monumentIUCN Not Reported19842 km²
- KrasnoshakhtarskaNatural monumentIUCN Not Reported19841 km²
- BuhaivskyiZakaznykIUCN Not Reported19840 km²
- Iziumska dachaNatural monumentIUCN Not Reported19840 km²
- MerekhnianskyiZakaznykIUCN Not Reported19840 km²
- ZapyliuvachZakaznykIUCN Not Reported19840 km²
- KruhlyiZakaznykIUCN Not Reported19840 km²
- PiskivskaNatural monumentIUCN Not Reported19840 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN