HydroLAKES lake · #170944
Balta Obretin
Surface area
5,57km²
Avg depth
0,8m
Volume
4,43km³
Shoreline
10,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- CrisanTulcea · Romania5.58 km²100.0% of lake
4 intersecting protected areas
Delta Dunării
IUCN Not ReportedSite of Community Importance (Habitats Directive)
5.58 km² overlap
Delta Dunării și Complexul Razim - Sinoie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.58 km² overlap
Danube Delta
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
5.58 km² overlap
Danube Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site)
5.58 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
178 distinct species · 522 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).
Indicateurs du tissu écologique
Tissu écologique de Balta Obretin : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 3 types (connectance 9.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
5,57km²
Avg depth
0,8m
Volume
4,430km³
Watershed
166km²
Shoreline
10,1km
Shore dev. idx
1,20
Residence time
286days
Elevation
-1m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.