It was once thought that this pinniped raked the ocean floor with its tusks to look for food
..... Once 
dinosaurs started emerging as skeletons, the giant mammals of the past... [DOC] [TLE] Fisheries Centre Research Reports - Sea Around Us [PAR] Sep 1, 2001 ... marine ecosystems and their fisheries around the globe signals a ..... Sea-floor 
elevations data were taken from the ...... Once the total fuel consumed by a 
specific fleet was ..... input to edible food energy output ratio or its ......