The Danube Biocenosis is represented by phyto plantcton, zoo plantcton, fish (pike, salau, sleep, carp) and in the spring migrating from the Black Sea to the Danube sturgeons, fish with black caviar.

The Iron Gates National Park is an ecological uniquely comprising the Iron Gates, the Inundable Flood, the Danube Delta. The National Park also includes 20 natural reserves.

The vegetation is represented by: reed, rush, willow, plauer, reed, fern. In the water live sarmulita and brandisul.

Fauna: Libelula, mosquitoes, shellfish, snails, crayfish, pike, sleeping, perch, carp, water snake, dry frog, pelicans, eagles, storks, wolf, fox, boar, mink, otter.

The Danube Delta biosphere reserve is ecologically unique since 1990. It is considered ecologically unique due to the variety of ecosystems. In 1991 it was listed on the list of the world's natural heritage.

![pelicani_din_delta_dunarii.png](https://steemitimages.com/DQmcDThxKhJgiWdHL1Uz3ve6RxDFW4cM4Lj9ohU8356BSXT/pelicani_din_delta_dunarii.png)

![dsc_8875.jpg](https://steemitimages.com/DQmW9nNSsy9yesMUzECFvCDwxhz68diw1aAVUKNHdzGSLLe/dsc_8875.jpg)

![290px-lipovean.jpg](https://steemitimages.com/DQmXio6a7XBt9cd7YPEv29UNF2Czek1eQZpFxLzCi1ks8zH/290px-lipovean.jpg)

Images: From Google