Irina Kozličić, prof. Elementary School ‘Zadarski otoci’, Zadar, Croatia ikozlicic@yahoo.com   Abstract  Vransko lake is the biggest nature lake in the Republic of Croatia situated in Zadar’s district with area of about 30,02km2. It follows the coastline from the north west – south east, separated from the sea by 800 – 2500m wild limy reef […]