The Danube is the single delta in the world declared a biosphere reserve. The international network of the biosphere reserve totals 352 km in 87 counties. Geographic units:
-The Danube river, from Galati city to Sulina town
-The Isaccea - Tulcea floodplain
-The saline plain Murighiol
-The Danube Delta
-The Lake complex Razim-Sinoe
-The black sea coastline, from the Chilia branch mouth to Midia Cape, till 20 depth.
- 2,505 from the total territory of Romania-
on the 22nd position in the world and the third in Europe - after Volga and Cuban
-one of the worldwide largest wet zones, a water birds habitat. On the 8th position according Ramsar convention (view the Bystroe Alternatives section) - which includes 600 wet zones - chart;
-Area Natural Museum of Biodiversity, which includes 30 types of ecosystems
-the greatest reedbed expenses worldwide 1560 km2.
SOURCE : IBIS TOURS BIRD-WATCHING SPECIALISTS