Lena-Del`ta
IUCN VIResource Reserve · 1996
67 011 km²
District · RUS
Russia
Species observed
1 950
Observations
31 075
Area
180 556,5km²
Sample of 25 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).
Tissu écologique de Bulunskiy rayon : 16 espèces reliées par 55 interactions GloBI sur 2 types (connectance 15.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 950 distinct species · 31 075 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
-13,4°C
Annual rain
492mm
Warmest m°
13,6°C
Coldest m°
-36,6°C
Elevation: 228 m on average (min -59 m, max 1 835 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology metrics for this exact territory
Stream length here
9 476,3km
Lake surface here
456,31km²
Basins crossed
310
Max stream order
9
Max drainage
2 453 575km²
Discharge in basins
414 153,2m³/s
Mean precip.
283mm/an
Mean T°
-15,2°C
Moisture idx
-0,18
Max snow
77%
Mean runoff
233mm/an
Mean elev. (basins)
231m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Resource Reserve · 1996
67 011 km²
Resource Reserve · 1999
39 978 km²
Resource Reserve · 2000
22 759 km²
State Natural Zakaznik · 2010
20 694 km²
State Natural Zapovednik · 2004
14 030 km²
Resource Reserve · 1995
12 507 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN