Valdaiskiy
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2004
2 034 km²
District · RUS
Okulovskiy rayon
Russia
DfbCold, no dry season, warm summer(100 %)
Species observed
933
Observations
3 378
Area
2 454,3km²
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 Okulovskiy rayon : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 6 types (connectance 11.2%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
79
Connectance
0.112
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
933 distinct species · 3 378 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,6°C
Annual rain
779mm
Warmest m°
21,5°C
Coldest m°
-10,3°C
Elevation: 161 m on average (min 66 m, max 223 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
4,6°C
Annual rain
779mm
Warmest month
21,5°C
Coldest month
-10,3°C
Mean alt.
161m
Min
66m
Max
223m
Std. dev.
37m
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
5,2
Org. C
113,5g/kg
Clay
14,7%
Sand
47,8%
Silt
37,5%
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
5,0
Org. C
165,8g/kg
Clay
14,8%
Sand
46,7%
Silt
38,5%
5–15 cm
pH H₂O
5,1
Org. C
117,3g/kg
Clay
14,3%
Sand
48,4%
Silt
37,3%
15–30 cm
pH H₂O
5,3
Org. C
57,3g/kg
Clay
14,9%
Sand
48,4%
Silt
36,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest79.1%
Crops3.3%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)17.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 50 lakes · 37 rivers
Hydrology metrics for this exact territory
Stream length here
482,2km
Lake surface here
57,65km²
Basins crossed
10
Max stream order
6
Max drainage
17 525km²
Discharge in basins
114,5m³/s
Mean precip.
700mm/an
Mean T°
3,5°C
Moisture idx
0,12
Max snow
47%
Mean runoff
299mm/an
Mean elev. (basins)
162m
Watersheds crossing here
- Bassin de Перетнаsub-area835 km²overlap750.52 km²31%
- Bassin de Шегринкаsub-area571,2 km²overlap492.31 km²20%
- Bassin de Мстаsub-area1 891,9 km²overlap489.12 km²20%
- Bassin de Волмаsub-area774,8 km²overlap270.25 km²11%
- Bassin de Валдайкаsub-area921,1 km²overlap205.97 km²8%
- Bassin de Мстаsub-area1 710,7 km²overlap195.58 km²8%
- Bassin de Холоваsub-area1 900,7 km²overlap27.25 km²1%
- Bassin de Мстаsub-area57,7 km²overlap20.05 km²1%
- Bassin de Березайкаsub-area259,6 km²overlap3.16 km²0%
1 more basinssorted by overlap
Lakes (50, top by area)
- Ozero Pirosarea27 km²avg depth5.8 m
- Ozero Zaozër’yearea11,9 km²avg depth5.1 m
- Ozero Perestovoarea10,4 km²avg depth5.6 m
- Ozero Vyaloyearea3,2 km²avg depth4.3 m
- Ozero Boruch’yearea3 km²avg depth3.8 m
- Ozero Zvanarea2 km²avg depth3.6 m
- озеро Льняноеarea1,3 km²avg depth4.5 m
- Ozero L’nyanoyearea1,1 km²avg depth6.4 m
- Lac 1299938area0,9 km²avg depth3.4 m
41 more lakes
- Lac 1299670area0,8 km²avg depth4.0 m
- Lac 1300463area0,8 km²avg depth2.7 m
- Lac 1299008area0,8 km²avg depth3.5 m
- Lac 1299073area0,8 km²avg depth4.2 m
- Lac 1300405area0,8 km²avg depth3.9 m
- Lac 1298440area0,7 km²avg depth3.4 m
- Lac 1299862area0,7 km²avg depth2.9 m
- Lac 1299541area0,6 km²avg depth3.3 m
- Lac 1299505area0,6 km²avg depth3.0 m
- Lac 1300806area0,6 km²avg depth3.2 m
- Lac 1298388area0,6 km²avg depth4.2 m
- Lac 1300551area0,6 km²avg depth2.7 m
- Lac 1300585area0,5 km²avg depth3.5 m
- Lac 1299894area0,5 km²avg depth3.2 m
- Lac 1299594area0,4 km²avg depth4.3 m
- Lac 1299870area0,4 km²avg depth3.3 m
- Lac 1298865area0,4 km²avg depth2.7 m
- Lac 1300267area0,3 km²avg depth3.4 m
- Lac 1300217area0,3 km²avg depth5.6 m
- Lac 1300232area0,3 km²avg depth3.1 m
- Lac 1300253area0,3 km²avg depth2.9 m
- Lac 1299097area0,3 km²avg depth3.3 m
- Lac 1300191area0,3 km²avg depth1.8 m
- Lac 1300117area0,3 km²avg depth4.6 m
- Lac 1300091area0,3 km²avg depth4.2 m
- Lac 1299976area0,3 km²avg depth3.0 m
- Lac 1299965area0,2 km²avg depth4.4 m
- Lac 1298962area0,2 km²avg depth2.7 m
- Lac 1300458area0,2 km²avg depth2.9 m
- Lac 1300345area0,2 km²avg depth2.7 m
- Lac 1300083area0,2 km²avg depth3.6 m
- Lac 1299130area0,2 km²avg depth3.3 m
- Lac 1299786area0,2 km²avg depth3.1 m
- Lac 1300649area0,2 km²avg depth2.7 m
- Lac 1297873area0,2 km²avg depth3.4 m
- Lac 1300476area0,2 km²avg depth2.6 m
- Lac 1298835area0,2 km²avg depth2.9 m
- Lac 1299891area0,2 km²avg depth3.2 m
- Lac 1298426area0,2 km²avg depth2.2 m
- Lac 1299164area0,2 km²avg depth3.1 m
- Lac 1298753area0,2 km²avg depth3.1 m
Rivers / streams (37, ord ≥ 4)
- Шегринкаord 3len here72.20 km90%total80 km
- Льнянаяord 3len here47.91 km100%total48 km
- Волмаord 3len here41.40 km58%total71 km
- Креничноord 2len here37.22 km100%total37 km
- Перетнаord 3len here29.61 km99%total30 km
- Мшанкаord 2len here21.85 km100%total22 km
- Званкаord 4len here20.08 km100%total20 km
- Земецкийord 2len here20.05 km100%total20 km
- Хоринкаord 2len here15.34 km100%total15 km
- Нерцаord 2len here14.40 km88%total16 km
- Мстаord 6len here14.29 km3%total562 km
- Боровнаord 3len here13.98 km100%total14 km
25 more river segmentssorted by Strahler order + length
- Талыжнаord 1len here11.93 km100%total12 km
- Вялкаord 1len here10.26 km100%total10 km
- Колпиноord 2len here10.03 km71%total14 km
- Кривчагаord 2len here8.77 km83%total11 km
- Доркаord 1len here8.20 km100%total8 km
- Барсихаord 1len here7.88 km80%total10 km
- Чернявкаord 3len here7.21 km100%total7 km
- Суховкаord 1len here6.73 km100%total7 km
- Белушкаord 2len here6.65 km54%total12 km
- Язовкаord 1len here6.34 km51%total13 km
- Борисовкаord 1len here5.65 km97%total6 km
- Олешонкаord 2len here5.61 km100%total6 km
- Каменкаord 3len here5.49 km4%total127 km
- Валдайкаord 4len here4.88 km12%total42 km
- Лебединкаord 1len here4.88 km100%total5 km
- Железянкаord 1len here3.57 km100%total4 km
- Круппаord 2len here3.56 km8%total43 km
- Таложонкаord 1len here3.34 km28%total12 km
- Боровёнкаord 1len here3.08 km100%total3 km
- Шилдушкаord 1len here2.52 km27%total9 km
- Олешняord 3len here2.13 km4%total49 km
- Пнёвкаord 1len here2.10 km100%total2 km
- Котовецord 1len here1.59 km75%total2 km
- Холоваord 4len here1.37 km1%total173 km
- Саминкаord 1len here0.13 km4%total4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
4,8%
Pesticides
1,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas20
IUCN III · 17IUCN IV · 2IUCN Not Applicable · 1
Zaozerskaya akkumulyativnaya vodno-lednikovaya gryada
IUCN IIINatural Monument · 2012
27 km²
Ozerno-lesnoj kompleks v istokah Holovy
IUCN IIINatural Monument · 1996
22 km²
Boloto Beloe
IUCN IVState Natural Zakaznik · 1993
9 km²
Vodno-landshaftnyj pamyatnik "Ozero "Piros"
IUCN IIINatural Monument · 1977
9 km²
Holmy "Bal`dazary"
IUCN IIINatural Monument · 1987
7 km²
Complete list20 protected areas
- ValdaiskiyUNESCO-MAB Biosphere ReserveIUCN Not Applicable20042 034 km²
- Zaozerskaya akkumulyativnaya vodno-lednikovaya gryadaNatural MonumentIUCN III201227 km²
- Ozerno-lesnoj kompleks v istokah HolovyNatural MonumentIUCN III199622 km²
- Boloto BeloeState Natural ZakaznikIUCN IV19939 km²
- Vodno-landshaftnyj pamyatnik "Ozero "Piros"Natural MonumentIUCN III19779 km²
- Holmy "Bal`dazary"Natural MonumentIUCN III19877 km²
- Opechenskie goryNatural MonumentIUCN III19875 km²
- Zaruchev`eNatural MonumentIUCN III20144 km²
- Boloto HmelevskoeState Natural ZakaznikIUCN IV19933 km²
- Roshha akademika N.I.ZHeleznovaNatural MonumentIUCN III19862 km²
- Urochishhe "Kobyl`ya gora"Natural MonumentIUCN III19872 km²
- Sistema ozer CHernaya Guba, Kolpinec, InogoshhenskoeNatural MonumentIUCN III19872 km²
- Murav`inyj mikrozakaznik "ZelyonihaNatural MonumentIUCN III19872 km²
- Ustup u dereven` Zaruchev`e i Vysokij OstrovNatural MonumentIUCN III19872 km²
- Semiruch`eNatural MonumentIUCN III20122 km²
- Urochishhe "Lihaya krucha"Natural MonumentIUCN III19871 km²
- Abrosimovskij borNatural MonumentIUCN III19961 km²
- Urochishhe "Klyuchik"Natural MonumentIUCN III19870 km²
- Otkrytyj karst u derevni TrubyNatural MonumentIUCN III19870 km²
- Rodnik u d. PolishhiNatural MonumentIUCN III19870 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN