National Park Service: Fauna2

cover to Fauna 2
Fauna Series No. 2

Cover

Contents

Foreword

Introduction

Part I

Part II

Fauna of the National Parks
of the United States

PART II

REPORT UPON WINTER RANGE OF THE
NORTHERN YELLOWSTONE ELK HERD AND
A SUGGESTED PROGRAM FOR ITS RESTORATION

Sagebrush graveyard, Yellowstone
Figure 27. – Sagebrush graveyard. Sagebrush killed by overbrowsing. Characteristic of much of the Yellowstone elk winter range.
(Photograph taken September 17, 1933, near Black Tail Deer Creek, Yellowstone. Wildlife Division No. 3275.)

Overbrowsed chrysothamnos, Yellowstone
Figure 28. – Overbrowsed chrysothamnos. When the less palatable species which come in as a result of overgrazing suffer to this extent, no additional danger signal is necessary.
(Photograph taken May 23, 1932, at Gardiner River, Yellowstone. Wildlife Division No. 2036.)

Dead willow thickets, Yellowstone
Figure 29. – Willow thickets killed along the Gardiner River by overbrowsing. This is characteristic of the plight of willows over the elk winter range generally.
(Photograph taken May 23, 1932, Yellowstone. Wildlife Division No. 2473.)

Elk winter range, Mount Everts, Yellowstone
Figure 30. – Another characteristic view of the elk winter range. Every available form of browse is reduced to a small percentage of its normal productive capacity.
(Photograph taken May 23, 1932, Mount Everts, Yellowstone. Wildlife Division No. 2039.)

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