All six species of sea turtles found in U.S. waters are listed as endangered or threatened, but the exact population sizes of these species are unknown due to a lack of key information regarding birth ...

The 1951 Convention and the 1969 OAU Convention provide clear refugee definitions. The fact that more than 140 countries have acceded to the 1951 Convention or its 1967 Protocol, and many of these ...

Acoustic methods have become indispensable in estimating fish abundance, distribution and behaviour at scales ranging from localised stocks to basin-wide assessments. By emitting sound pulses into the ...