作者: M.O. Hammill , M.S. Ryg , B. Mohn
DOI: 10.1016/S0163-6995(06)80035-1
关键词: Population 、 Fishery 、 Seal (mechanical) 、 Consumption (economics) 、 Fish stock 、 Geography 、 Oceanography 、 Total population 、 Atlantic cod 、 Cod fisheries
摘要: Abstract The Northwest Atlantic grey seal is perceived by fishermen as having a negative impact on commercial fish stocks, particularly cod. Both the Sable Island and Gulf of St. Lawrence components this population have increased substantially over past several decades, such that total size in eastern Canada 1993 was estimated at about 140,000 animals. Estimated consumption cod seals to from