Lyster's international wildlife law
"It is difficult to obtain a clear understanding of any legal topic without some sense of the chronology of key developments and the wider historical context out of which they emerged. Areas of legal regulation tend to evolve not in a meticulously planned, orderly fashion but as an unstructured series of responses to perceived problems, and against the backdrop of the social and political realities of the day. Early attempts to regulate whaling and sealing, for example, must be viewed in the light of the considerable economic importance once exhibited by such industries, which may be difficult to credit from a purely contemporary perspective. More generally, the political emphasis placed on conservation policy and legal regulation has fluctuated significantly over time, reflecting the prevailing preoccupations of the international community during successive eras"--