Oka & Pra River Floodplains
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1994
1 348 km²
District · RUS
Kasimovskiy rayon
Russia
DfbCold, no dry season, warm summer(100 %)
Species observed
1 671
Observations
9 416
Area
2 909,3km²
Ecological tissue
Sample of 21 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 Kasimovskiy rayon : 16 espèces reliées par 41 interactions GloBI sur 4 types (connectance 19.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
21
Interactions affichées
41
Connectance
0.195
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
1 671 distinct species · 9 416 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,5°C
Annual rain
642mm
Warmest m°
23,9°C
Coldest m°
-11,1°C
Elevation: 118 m on average (min 80 m, max 169 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,5°C
Annual rain
642mm
Warmest month
23,9°C
Coldest month
-11,1°C
Mean alt.
118m
Min
80m
Max
169m
Std. dev.
20m
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
5,7
Org. C
64,1g/kg
Clay
26,4%
Sand
36,9%
Silt
36,7%
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
5,6
Org. C
99,7g/kg
Clay
24,8%
Sand
37,2%
Silt
37,9%
5–15 cm
pH H₂O
5,7
Org. C
54,5g/kg
Clay
26,1%
Sand
37,0%
Silt
36,9%
15–30 cm
pH H₂O
5,8
Org. C
38,0g/kg
Clay
28,3%
Sand
36,4%
Silt
35,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest51.1%
Crops22.7%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)25.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 26 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
601,5km
Lake surface here
8,52km²
Basins crossed
13
Max stream order
8
Max drainage
183 351km²
Discharge in basins
2 658,6m³/s
Mean precip.
597mm/an
Mean T°
4,6°C
Moisture idx
-0,11
Max snow
44%
Mean runoff
183mm/an
Mean elev. (basins)
123m
Watersheds crossing here
- Bassin de Окаsub-area784,4 km²overlap704.72 km²24%
- Bassin de Окаsub-area777,9 km²overlap489.24 km²17%
- Bassin de Унжаsub-area1 295,9 km²overlap444.69 km²15%
- Bassin de Гусьsub-area3 786,7 km²overlap315.71 km²11%
- Bassin de Окаsub-area754,6 km²overlap302.10 km²10%
- Bassin de Сынтулкаsub-area331,5 km²overlap275.97 km²9%
- Bassin de Окаsub-area160,8 km²overlap154.87 km²5%
- Bassin de Пётsub-area1 021 km²overlap93.92 km²3%
- Bassin de Окаsub-area197,5 km²overlap78.42 km²3%
Lakes (26, top by area)
- Lac 1316524area0,8 km²avg depth5.7 m
- Lac 1317250area0,7 km²avg depth4.0 m
- Lac 1317503area0,7 km²avg depth3.7 m
- Lac 1316278area0,7 km²avg depth4.4 m
- Lac 1316951area0,6 km²avg depth2.4 m
- Lac 1316919area0,6 km²avg depth2.1 m
- Lac 1316434area0,6 km²avg depth4.6 m
- Lac 1316382area0,3 km²avg depth2.6 m
- Lac 1316941area0,3 km²avg depth2.2 m
17 more lakes
- Lac 1316433area0,3 km²avg depth3.8 m
- Lac 1317389area0,3 km²avg depth3.4 m
- Lac 1317372area0,3 km²avg depth2.5 m
- Lac 1317271area0,3 km²avg depth2.3 m
- Lac 1316669area0,2 km²avg depth3.5 m
- Lac 1316639area0,2 km²avg depth2.8 m
- Lac 1316607area0,2 km²avg depth1.7 m
- Lac 1316648area0,2 km²avg depth3.8 m
- Lac 1316415area0,2 km²avg depth2.0 m
- Lac 1316100area0,2 km²avg depth3.7 m
- Lac 1316625area0,2 km²avg depth3.0 m
- Lac 1316624area0,2 km²avg depth4.3 m
- Lac 1316849area0,2 km²avg depth1.5 m
- Lac 1316400area0,2 km²avg depth2.4 m
- Lac 1317088area0,1 km²avg depth2.0 m
- Lac 1316446area0,1 km²avg depth1.5 m
- Lac 1316398area0,1 km²avg depth1.8 m
Rivers / streams (24, ord ≥ 4)
- Окаord 8len here254.13 km13%total2000 km
- Унжаord 7len here57.98 km6%total904 km
- Ташенкаord 2len here49.90 km99%total50 km
- Талаяord 2len here37.70 km39%total96 km
- Сынтулкаord 3len here37.45 km98%total38 km
- Гусьord 4len here25.97 km15%total174 km
- Ксегжаord 3len here16.38 km54%total30 km
- Макарьеord 2len here13.76 km100%total14 km
- Ламшаord 2len here13.53 km55%total25 km
- Вянкаord 2len here13.30 km35%total38 km
- Бабенкаord 2len here10.82 km48%total23 km
- Муромкаord 3len here9.09 km16%total58 km
12 more river segmentssorted by Strahler order + length
- Лукьяновкаord 2len here8.73 km57%total15 km
- Нармаord 4len here8.67 km11%total79 km
- Чернаяord 3len here7.69 km7%total118 km
- Куршаord 3len here6.84 km13%total52 km
- Мудровкаord 1len here6.81 km100%total7 km
- Истокord 4len here5.94 km5%total118 km
- Колпьord 5len here5.84 km1%total533 km
- Лавсинкаord 2len here3.82 km25%total15 km
- Сиверкаord 1len here2.27 km100%total2 km
- Петасord 2len here2.23 km7%total33 km
- Ламшинская канаваord 2len here1.53 km12%total13 km
- Чауркаord 1len here1.12 km56%total2 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
13,1%
Pesticides
3,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas18
IUCN III · 13IUCN Not Reported · 2IUCN IV · 2IUCN Not Applicable · 1
Okskiy
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1978
565 km²
Okskij beregovoj
IUCN IVState Natural Zakaznik · 1980
190 km²
SHHerbatovskij
IUCN IVState Natural Zakaznik · 2003
23 km²
Hvojno-shirokolistvennye lesa Semilovskogo lesnichestva
IUCN IIINatural Monument · 1991
14 km²
Biocenozy pojmy reki Oki u poselka Vnutrennij
IUCN IIINatural Monument · 1991
10 km²
Complete list18 protected areas
- Oka & Pra River FloodplainsWetland of International Importance (Ramsar Site)IUCN Not Reported19941 348 km²
- OkskiyUNESCO-MAB Biosphere ReserveIUCN Not Applicable1978565 km²
- Okskij beregovojState Natural ZakaznikIUCN IV1980190 km²
- SHHerbatovskijState Natural ZakaznikIUCN IV200323 km²
- Hvojno-shirokolistvennye lesa Semilovskogo lesnichestvaNatural MonumentIUCN III199114 km²
- Biocenozy pojmy reki Oki u poselka VnutrennijNatural MonumentIUCN III199110 km²
- Les u s. BetinoNatural MonumentIUCN III20034 km²
- Lasinskij lesNatural MonumentIUCN III20034 km²
- ZernovoNatural MonumentIUCN III20034 km²
- Belyj lesNatural MonumentIUCN III20033 km²
- Strashnyj ovragNatural MonumentIUCN III19772 km²
- Klyukvennoe boloto u D. CHuliksaNatural MonumentIUCN III20032 km²
- Les PanikaNatural MonumentIUCN III20031 km²
- Syntul`skoe ozero-prudNatural MonumentIUCN Not Reported19741 km²
- Ozero BeloeNatural MonumentIUCN III19741 km²
- Ozero ZHitkovoNatural MonumentIUCN III20030 km²
- Ozero SvetloeNatural MonumentIUCN III19770 km²
- SHHerbatovskie izvestnyakiNatural MonumentIUCN III20030 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN