Page 18 - Dainfern Precinct_Issue 4_2022
P. 18

NATURE




























       We’re in the process of slaying
       and consuming megafauna to

       the point of extinction

                                                              Image: Nam-Anh,Unsplash
       TO BE BIG IS




       DANGEROUS                                                                                                  Image: Sebastian Pociecha,Unsplash




                  BY JAMES CLARKE AND MARY BROADLEY

           n the 1990s an American          predicted that, if present trends   region for tourists interested in seeing
           futurologist wrote an essay offering   continued, the world’s megafauna –   the world’s surviving megafauna.
           educated predictions from various   megafauna meaning the larger-sized   Namibia, Botswana, Mozambique and
           US universities about what the   wild animals – will experience falls in   Zimbabwe could also benefit.
      Iworld might be like in a century’s   population and some species would
       time. I cannot recall the title or author’s   be extinct or heading that way before   There’s not much megafauna left in
       name but I recall one of the predictions.   the end of the century.      the world. The Asians have very little.
       It was that South Africa’s southeast                                     Its tigers, its three species of rhino
       coastline would become America’s     Implicit (but unstated) in their findings   and the Asian elephant barely exist
       favourite region for beach holidays.  is that, once again, South Africa   in the wild and are generally deemed
                                            by default would benefit because    to be ‘critically endangered’. And
       Even then, 30 years ago, science was   we will likely emerge as the most   present-day North America never had
       predicting that sea levels would rise   accessible and accommodating     much megafauna, certainly nothing
       as the poles melted. Global warming,
       unless controlled, would radically alter
       the world’s shorelines. It predicted
       that, by the time toddlers of the 1990s
       were in their dotage, the rising seas
       would have wiped out most of the
       world’s favourite beaches – with one
       exception, the south-eastern Cape.
       There, the coastal dunes are five
       deep and no matter how the seas
       might rise and push inland, they
       cannot demolish more than the first
       one or two ridges, which is why South
       Africa’s eastern seaboard would
       become America’s (and the world’s)
       favourite region for beach holidays.                                                                        Image: Mary Broadley
       Last month (April), a co-ordinated
       effort by universities across the world
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