Sentences with phrase «historic whale population»

Most estimates of historic whale population size have been extrapolated from old whaling figures, but this method is often very inaccurate, argues marine biologist Steve Palumbi of Stanford University's Hopkins Marine Station in California, US.

Not exact matches

This matters because commercial whaling may be allowed to resume once populations reach 54 per cent of their «historic» levels.
«Insights on whale shark populations and evidence for their historic rise, recent decline.»
Eastern gray whales represent a useful case study for investigating historic population dynamics and in particular the discrepancy between genetic and historical data, because both genetic diversity and historical records have been examined in depth [5], [16], [17].
The historic low population counts when we finally put together an international agreement to ban whale hunting?
The baleen whales were hunted to near extinction before the mid-20th century, and their populations have not recovered to anywhere near historic levels yet, so I have trouble seeing a link between plankton depletion and whales.
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