Volga Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1976
10 647 km²
District · RUS
Ikryaninskiy rayon
Russia
BSkArid, steppe, cold(100 %)
Species observed
818
Observations
2 856
Area
1 515,1km²
Ecological tissue
Sample of 33 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 Ikryaninskiy rayon : 24 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 4 types (connectance 15.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
87
Connectance
0.155
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
818 distinct species · 2 856 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
235mm
Warmest m°
30,8°C
Coldest m°
-5,5°C
Elevation: -24 m on average (min -28 m, max -18 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
235mm
Warmest month
30,8°C
Coldest month
-5,5°C
Mean alt.
-24m
Min
-28m
Max
-18m
Std. dev.
1m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,5
Org. C
43,4g/kg
Clay
34,5%
Sand
26,9%
Silt
38,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,4
Org. C
64,3g/kg
Clay
35,4%
Sand
26,4%
Silt
38,3%
5–15 cm
pH H₂O
7,4
Org. C
40,7g/kg
Clay
36,0%
Sand
25,9%
Silt
38,1%
15–30 cm
pH H₂O
7,5
Org. C
25,4g/kg
Clay
32,2%
Sand
28,4%
Silt
39,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.6%
Crops12.7%
Built-up0.2%
Bare soil1.6%
Other (grassland, water…)80.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 50 lakes · 23 rivers
Hydrology metrics for this exact territory
Stream length here
239,4km
Lake surface here
105,83km²
Basins crossed
8
Max stream order
9
Max drainage
1 404 108km²
Discharge in basins
3 995,5m³/s
Mean precip.
224mm/an
Mean T°
10,3°C
Moisture idx
-0,77
Max snow
4%
Mean runoff
3mm/an
Mean elev. (basins)
-27m
Watersheds crossing here
- Bassin de ерик Кривойsub-area592,9 km²overlap367.43 km²24%
- Bassin de Гандуриноsub-area1 144,2 km²overlap352.20 km²23%
- Bassin de Волгаsub-area891,5 km²overlap330.96 km²22%
- Bassin de Бахтемирsub-area1 696,3 km²overlap208.25 km²14%
- Bassin de Зюдеваsub-area848,5 km²overlap149.80 km²10%
- Bassin de ерик Бунтурsub-area161,1 km²overlap63.50 km²4%
- Basin #27820sub-area216,7 km²overlap42.59 km²3%
- Bassin de Кизаньsub-area1 230,4 km²overlap0.13 km²0%
Lakes (50, top by area)
- Caspian Seaarea377 001,9 km²avg depth200.5 m
- Каспий теңізі - Hazar deňizi - دریای خزر - Xəzər dənizi - Каспийское море - دریای مازندرانarea85,1 km²avg depth1.0 m
- Il’men’ Khoreymsinarea7,8 km²avg depth1.8 m
- Il’men’ Bol’shoy Kara Bulakarea5,8 km²avg depth0.7 m
- Il’men’ Kharyaarea5,5 km²avg depth1.2 m
- Il’men’ Malyy Karabulakarea5,1 km²avg depth1.1 m
- Il’men’ Barkasarea4,1 km²avg depth0.9 m
- Il’men’ Kashataarea4,1 km²avg depth1.5 m
- Il’men’ Golgaarea3,8 km²avg depth1.1 m
41 more lakes
- Lake #70102area3,4 km²avg depth1.0 m
- Il’men’ Kisinarea3 km²avg depth1.4 m
- Il’men’ Yarovarea2,1 km²avg depth1.1 m
- Lake #70121area2 km²avg depth1.0 m
- Il’men’ Kul’tyukyunarea2 km²avg depth1.3 m
- Il’men’ Malyy Chapchatganarea1,9 km²avg depth1.3 m
- Летний Бугординский ильменьarea1,8 km²avg depth1.5 m
- ильмень Берюн-Цаганarea1,7 km²avg depth1.0 m
- ильмень Латаarea1,7 km²avg depth0.8 m
- Il’men’ Altataarea1,6 km²avg depth1.6 m
- Lake #70112area1,6 km²avg depth0.8 m
- Il’men’ Kan Tsaganarea1,6 km²avg depth0.8 m
- Lake #69997area1,5 km²avg depth0.8 m
- Il’men’ Bol’shoy Tatarskiyarea1,4 km²avg depth1.0 m
- Il’men’ Gryaznyyarea1,3 km²avg depth0.5 m
- Il’men’ Koptolgaarea1,3 km²avg depth0.8 m
- Il’men’ Kukshinarea1,3 km²avg depth0.7 m
- Lake #70105area1,3 km²avg depth1.4 m
- Il’men’ Burotaarea1,2 km²avg depth2.1 m
- ильмень Кугульarea1,2 km²avg depth0.9 m
- Lake #70172area1,2 km²avg depth1.3 m
- Lake #69999area1,2 km²avg depth0.9 m
- ильмень Яровarea1,1 km²avg depth1.6 m
- Ильмень Кукшинarea1,1 km²avg depth0.6 m
- Lake #70169area1,1 km²avg depth0.5 m
- Lake #69993area1,1 km²avg depth0.9 m
- Lake #69945area1,1 km²avg depth1.2 m
- Lake #70012area1 km²avg depth0.9 m
- Il’men’ Dundukarea1 km²avg depth0.9 m
- Lake #70114area1 km²avg depth1.5 m
- Lac 1355898area1 km²avg depth2.0 m
- Lac 1355918area0,9 km²avg depth1.9 m
- Lac 1356725area0,8 km²avg depth1.5 m
- Lac 1355863area0,7 km²avg depth1.8 m
- Lac 1356812area0,7 km²avg depth1.8 m
- Lac 1356203area0,7 km²avg depth1.7 m
- Lac 1355557area0,7 km²avg depth1.7 m
- Lac 1355911area0,7 km²avg depth1.9 m
- Lac 1355964area0,7 km²avg depth1.7 m
- Lac 1355771area0,6 km²avg depth1.6 m
- Lac 1355328area0,6 km²avg depth1.4 m
Rivers / streams (23, ord ≥ 4)
- Бахтемирord 9len here36.08 km55%total65 km
- Сухая Сомовкаord 1len here26.44 km100%total26 km
- Зюдеваord 2len here20.14 km72%total28 km
- ерик Бессчастенскийord 9len here19.51 km98%total20 km
- ерик Коклюйord 2len here16.58 km82%total20 km
- ерик Бунтурord 1len here14.51 km84%total17 km
- ерик Кривойord 1len here14.33 km30%total48 km
- Кирельтинский ерикord 1len here13.64 km100%total14 km
- Бакланьяord 9len here11.77 km73%total16 km
- Кривая Ямнаяord 9len here11.57 km100%total12 km
- ерик Сазанийord 2len here9.99 km87%total11 km
- Никитинский ерикord 9len here8.96 km99%total9 km
11 more river segmentssorted by Strahler order + length
- ерик Воложкаord 1len here7.61 km91%total8 km
- ерик Солёныйord 5len here7.32 km100%total7 km
- Гандуриноord 2len here6.51 km16%total40 km
- Чилимный ерикord 1len here5.46 km100%total5 km
- Подстепокord 4len here3.39 km30%total11 km
- Коклюйord 1len here1.87 km100%total2 km
- Чулпанord 1len here1.41 km100%total1 km
- Ямнаяord 1len here1.17 km7%total16 km
- Щабуркин ерикord 1len here0.63 km5%total12 km
- Главная Протокаord 5len here0.49 km3%total17 km
- протока Три Ерикаord 1len here≈ tangenttotal7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
21,4%
Pesticides
2,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN Not Applicable · 1🌊 Marine · 3📍 Point sites · 2
Astrakhanskiy
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1984
490 km²
Zimoval`nye yamy na territorii Kamyzyakskogo, Ikryaninskoyu i Volodarskogo rajonov Astrahanskoj oblasti
IUCN Not ReportedNot Defined · 2018
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN