Vistula Lagoon of the Ests". Over three hundred years later, in the first half of the 13th Century, the name of Vistula Lagoon occurs in deeds issued by Teutonic Order in Latin version as Mare Recens (1246 - "mare" - a pool or lake or sea and "recens" - fresh) in contrast to the contemporary name for the Baltic Sea - Mare Salsum (Salty Sea). Then in 1251 we find record about Mare Recens et Neriam (Frisches Haff and Frische Nehrung, now Vistula Spit) and finally in 1288 Recenti Mari Hab (Haff) which as one can see corresponds with later German "Frisches
Jubho Lagoon intrusion is taking place, which is stunting the growth of freshwater vegetation. However, the site is still not protected under any environmental legislation or site-specific conservation programme. Few research projects to study the flora and fauna of the region have been undertaken by the Zoological Survey Department of Pakistan and the National Institute of Oceanography. The Coastal Ecosystem Unit of IUCN, Sindh Wildlife Department, and Sindh Environment Protection Agency conduct awareness and conservation activities in the region. Jubho Lagoon Jubho Lagoon is a large shallow brackish lagoon located in Sindh, Pakistan. In May 2011 Jubhoo lagoon was inducted into the