Pleistocene Extinctions - Arguments Against Both Climate Change and Overkill

Arguments Against Both Climate Change and Overkill

Detractors have asserted that neither the overkill nor climate change hypotheses can explain several observations. Among these are the observation that browsers, mixed feeders and non-ruminant grazer species suffered most, while ruminant grazers generally survive However a broader variation of the overkill hypothesis may predict this, because changes in vegetation wrought by anthropogenic fire preferentially selects against browse species. Because of perceived shortcomings of the overkill or climate change hypotheses alone, some scientists support a combination of climate change and overkill.

Read more about this topic:  Pleistocene Extinctions

Famous quotes containing the words arguments, climate and/or change:

    ‘Tis happy, therefore, that nature breaks the force of all sceptical arguments in time, and keeps them from having any considerable influence on the understanding. Were we to trust entirely to their self-destruction, that can never take place, ‘till they have first subverted all conviction, and have totally destroy’d human reason.
    David Hume (1711–1776)

    There is much to be said against the climate on the coast of British Columbia and Alaska; yet, I believe that the scenery of one good day will compensate the tourists who will go there in increasing numbers.
    Franklin D. Roosevelt (1882–1945)

    Both equal hurt, in this change sought our bliss:
    My true love hath my heart and I have his.
    Sir Philip Sidney (1554–1586)