CORMORANTS AND THE GIPPSLAND LAKES FISHERY 
103 
standing, and there has been no diminution during the period 
for which figures are available. Amounts of the other five 
species have never been large and the graphs show fairly 
usual variation but no marked reduction except in the case 
FIG. 6. 
Black Bream marketed annually from the Gippsland Lakes, 1911-1937. 
of Trevally. It may he noted that all show a decided rise in 
1916, a record quantity of two species. This was a year of 
extreme flooding in rivers flowing into the lakes and there is 
here, obviously, a direct connection between the effect of 
great volumes of fresh water and the numbers of the species 
of this group entering the lakes from the sea. 
