#2 (permalink) Fri Aug 27, 2010 16:50 pm argument 35 |
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35 The following appeared as an editorial in a wildlife journal. "Arctic deer live on islands in Canada's arctic region. They search for food by moving over ice from island to island during the course of a year. Their habitat is limited to areas warm enough to sustain the plants on which they feed, and cold enough, at least some of the year, for the ice to cover the sea separating the islands, allowing the deer to travel over it. Unfortunately, according to reports from local hunters, the deer populations are declining. Since these reports coincide with recent global warming trends that have caused the sea ice to melt, we can conclude that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea."
================================================================ The argument is well presented and supported, but not completely well reasoned. In this argument, the author reaches the conclusion that the decline in Arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea. In addition, the author asserts that since these reports coincide with recent global warming trends that have caused the sea ice to melt. At first glance, the author’s argument seems to bring me around, however, several important respects need to be addressed.
In the first place, as mentioned in this argument, it indicates a possible relationship between with recent global warming trends that have caused the sea ice to melt and DEER being unable to follow their age-old migration patterns across the frozen sea, nevertheless, the deer can choose another route to migrate through the frozen sea. Sea ice melt is the important cause of DEER migration, but not the only one.
In the second place, the article fails to identify the report (the deer populations are declining) from local hunters. We don’t know the real number of declining deer population, maybe the local hunters report this number according to their feelings.
Last but not least, the author doesn’t count the deer population of hunter-killed. We can’t get from the argument whether the local government restricts the number of deer the hunter hunt or not.
To sum up, the arguer fails to authenticate its claims that the declining population of deer because the proof doesn’t lend strENGTH to the argument. To make the argument more acceptable, the arguer should supply more concrete information to demonstrate that the major influences of deer migration to make this argument logically acceptable .::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Pretty good Gary.
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