亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Researchers Develop Overfishing Warning System
date:Jan 20, 2014
lated vulnerability and threat index for eight Pacific populations of tuna and billfish (such as swordfish and marlin) from the earliest available data (ranging between 1953-1967, depending on the population) to the most recent data (ranging between 1997-2009). Four of the studied populations (northern and southern striped marlin (Thunnus audax), blue marlin (Makaira nigricans) and bigeye tuna (Thunnus obesus) have been recently identified as being in decline as a result of overfishing.

The res

12/20 07:37