Isle Royale National Park

Topics: Lake Superior, Great Lakes, Michigan Pages: 6 (1380 words) Published: April 7, 2013
Isle Royale National Park


3 December, 2012

Pre-Advanced Reading/Writing

Instructor: Ms. Gari Voss

Outline Isle Royale

I. Introduction

A. Location and introduction

1. Isle Royale is the largest island in Lake Superior

2. The second largest island in the Great Lakes,

3. Third largest island in the contiguous United States.

B. Isle Royale National Park is a closed environment in northern Michigan, but it is losing its grey wolf population.

II. Background

A. The geography of Isle Royale

1. The location of the Isle Royale island

2. The information about the Lake Superior

3. The weather on the island

B. History of the park

1. Before 1940 when the park was established

2. From 1940 to the present

III. Entertainment

A. Hiking - The route of hiking

B. Camping

IV. Environment

A. Animals on the Isle Royale

1. Kinds of animals in the park

2. Grey wolf and moose in the park

V. Environmental issues

A. The decreasing number of wolf

1. The situation of grey wolf in the Isle Royale

2. The reason of the declining population

B. The solution to prevent losing the grey wolf

1. The human beings

2. The environment

VI. Conclusion

Isle Royale National Park
Isle Royale Island is surrounded by water in Lake Superior. A large variety of animals live on that island. People even regarded the island as a wolf shelter ninety years ago. However, according to recent research, the population of grey wolves is near extinction. Many people cannot understand why in such a closed environment the population of wolves has decreased so dramatic. Isle Royale is the largest island in Lake Superior, the second largest island in the Great Lakes, the third largest island in the contiguous United States (Jprdan, 2000). The park was authorized by Congress on 03 March 1931 by Present Herbert Hoover in order to conserve a prime example of wild animals and woods. It was established on 03 April 1940 by President Franklin D. Roosevelt (Uhler, 1997). Isle Royale National Park is located in Lake Superior, north of Michigan, close to Minnesota and Ontario, and is surrounded by 450 small islands. Lake Superior is also ranked the largest freshwater lake in the world. It contains approximately 2,900 cubic miles of water, the average depth is 483 feet, while the deepest depth is about 1,332 feet. The surface temperature of Lake Superior depends on the season, and ranges from 32 and 55 °F. But the temperature is stable below 660 feet, which is almost constant at 39°F (Uhler, 1997). It is affected by global warming according to a study by the professors at the University of Minnesota Duluth. It shows that Lake Superior may warm faster than its surrounding climate, which means the amount of ice cover will decrease and more solar radiation may penetrate the lake and warm the water. The earliest human beings on the island can be traced back to approximately 2000 B.C (Jim, 1991). Isle Royale was noticed by fishermen because many varieties of fish were supported around the island in the early 1800’s. In 1837, Michigan controlled the island and it became the first Lake Superior territory. In the same year, the American Fur Company built fishing camps on the island to run its fishing business. However, it was forced to stop in 1841 because of the economic depression. Another major effort was mining for copper. Miners came to the island as early as 1843. But the copper did not meet much success due to inefficient mining tools as well as low profits. At last, mining was forced to cease on 1855. In was not until 03 March 1931 that the Isle Royale National Park was authorized by congress and established by the present Franklin Roosevelt on 03 April 1940. Isle Royale's wilderness...
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