Ontologia

Wetland of International Importance (Ramsar Site) · rus

Volga Delta

IUCN Not Reported10 647 km²Established 1976
Key facts
Area
10 647 km²
IUCN cat.
Not Reported
Year
1976

Overview

Designation
Wetland of International Importance (Ramsar Site)
Established
1976
Managing authority
Not Reported

Source : WDPA (UNEP-WCMC, World Database on Protected Areas).

Species present

1 004 distinct species · 14 500 observations

Source: GBIF Occurrence snapshot 2026-05-01.

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 Volga Delta : 34 espèces + 3 bulles famille, 51 interactions GloBI documentées sur 3 types (connectance 7.7%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
51
Connectance
0.077
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology17 basins · 50 lakes · 43 rivers

Hydrology metrics for this exact territory

Stream length here

473,7km

Lake surface here

5 483,06km²

Basins crossed

17

Max stream order

9

Max drainage

1 404 108km²

Discharge in basins

772,5m³/s

Mean precip.

207mm/an

Mean T°

10,4°C

Moisture idx

-0,79

Max snow

9%

Mean runoff

5mm/an

Mean elev. (basins)

-28m

Lakes (50, top by area)

41 more lakes

Rivers / streams (43, ord ≥ 4)

31 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Location

Chargement de la carte…

Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)

Centroid
45.73300, 48.35992
Open in maps
OpenStreetMap → · Satellite

Species observed (Phase 2)

Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.