This time the improvements should hold, the park administrators say, if the public treats them gently.

But park administrators have questioned that plan because of concerns about the environment and whether the park's regular visitors could be adequately accommodated.

Tupper W. Thomas, the park administrator, acknowledges that the public may be confused.

"There is a lot of mistrust," said Mr. Heyder, the park administrator.

In the early 20th century, park administrators introduced heather to the park, for grouse hunting.

Ms. Rogers announced last week that she would be stepping down as park administrator and president of the conservancy on Dec. 31.

These conflicts occurred between Aboriginal hunters, government officials, and park administrators due to each group's divergent approaches to wildlife resource management.

In this report, Murie tallied the number of wolves killed as reported annually by park administrators between 1915 and 1935:

Last year a park administrator was arrested at the Russian border with a trunkload of sables.

After yesterday's attack, police officials met with park administrators to discuss increasing security in wooded areas like those where the attack occurred.