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Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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ECOLOGICAL DYNAMICS ON YELLOWSTONE’S NORTHERN RANGE

Committee on Ungulate Management in Yellowstone National Park

Board on Environmental Studies and Toxicology

Division on Earth and Life Studies

National Research Council

NATIONAL ACADEMY PRESS
Washington, D.C.

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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NATIONAL ACADEMY PRESS
2101 Constitution Ave., N.W. Washington, D.C. 20418

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

This project was supported by Cooperative Agreement 1443CX2605-98-005, between the National Academy of Sciences and the U.S. Department of Interior National Park Service. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the organizations or agencies that provided support for this project.

Library of Congress Control Number 2002108821

International Standard Book Number 0-309-083451

Additional copies of this report are available from:
National Academy Press
2101 Constitution Ave., NW Box 285 Washington, DC 20055 800–624–6242 202–334–3313 (in the Washington metropolitan area) http://www.nap.edu

Copyright 2002 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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THE NATIONAL ACADEMIES

National Academy of Sciences

National Academy of Engineering

Institute of Medicine

National Research Council

The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the federal government on scientific and technical matters. Dr. Bruce M.Alberts is president of the National Academy of Sciences.

The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding engineers. It is autonomous in its administration and in the selection of its members, sharing with the National Academy of Sciences the responsibility for advising the federal government. The National Academy of Engineering also sponsors engineering programs aimed at meeting national needs, encourages education and research, and recognizes the superior achievements of engineers. Dr. Wm.A.Wulf is president of the National Academy of Engineering.

The Institute of Medicine was established in 1970 by the National Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the National Academy of Sciences by its congressional charter to be an adviser to the federal government and, upon its own initiative, to identify issues of medical care, research, and education. Dr. Kenneth I.Shine is president of the Institute of Medicine.

The National Research Council was organized by the National Academy of Sciences in 1916 to associate the broad community of science and technology with the Academy’s purposes of furthering knowledge and advising the federal government. Functioning in accordance with general policies determined by the Academy, the Council has become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the public, and the scientific and engineering communities. The Council is administered jointly by both Academies and the Institute of Medicine. Dr. Bruce M.Alberts and Dr. Wm.A.Wulf are chairman and vice chairman, respectively, of the National Research Council.

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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COMMITTEE ON UNGULATE MANAGEMENT IN YELLOWSTONE NATIONAL PARK

Members

DAVID R.KLEIN (Chair),

University of Alaska Fairbanks, Fairbanks

DALE R.MCCULLOUGH (Vice Chair),

University of California, Berkeley

BARBARA ALLEN-DIAZ,

University of California, Berkeley

NORMAN CHEVILLE,

Iowa State University, Ames

RUSSELL W.GRAHAM,

Denver Museum of Natural History, Denver, Colorado

JOHN E.GROSS,

Commonwealth Scientific and Industrial Research Organization, Australia

JAMES MACMAHON,

Utah State University, Logan

NANCY E.MATHEWS,

University of Wisconsin, Madison

DUNCAN T.PATTEN,

Montana State University, Bozeman

KATHERINE RALLS,

Smithsonian Institution, Washington, D.C.

MONICA G.TURNER,

University of Wisconsin, Madison

ELIZABETH S.WILLIAMS,

University of Wyoming, Laramie

Project Staff

DAVID J.POLICANSKY, Project Director

LEE PAULSON, Staff Officer

MARGARET WALSH, Postdoctoral Research Associate

CAY BUTLER, Editor

KELLY CLARK, Editorial Assistant

MIRSADA KARALIC-LONCAREVIC, Research Assistant

RAMYA CHARI, Project Assistant

KATHY IVERSON, Senior Project Assistant

Sponsor

U.S.DEPARTMENT OF INTERIOR

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
×

BOARD ON ENVIRONMENTAL STUDIES AND TOXICOLOGY1

Members

GORDON ORIANS (Chair),

University of Washington, Seattle

JOHN DOULL (Vice Chair),

University of Kansas Medical Center, Kansas City

DAVID ALLEN,

University of Texas, Austin

INGRID C.BURKE,

Colorado State University, Fort Collins

THOMAS BURKE,

Johns Hopkins University, Baltimore, Maryland

WILLIAM L.CHAMEIDES,

Georgia Institute of Technology, Atlanta

CHRISTOPHER B.FIELD,

Carnegie Institute of Washington, Stanford, California

DANIEL S.GREENBAUM,

Health Effects Institute, Cambridge, Massachusetts

BRUCE D.HAMMOCK,

University of California, Davis

ROGENE HENDERSON,

Lovelace Respiratory Research Institute, Albuquerque, New Mexico

CAROL HENRY,

American Chemistry Council, Arlington, Virginia

ROBERT HUGGETT,

Michigan State University, East Lansing

JAMES H.JOHNSON,

Howard University, Washington, D.C.

JAMES F.KITCHELL,

University of Wisconsin, Madison

DANIEL KREWSKI,

University of Ottawa, Ottawa, Ontario

JAMES A.MACMAHON,

Utah State University, Logan

WILLEM F.PASSCHIER,

Health Council of the Netherlands, The Hague

ANN POWERS,

Pace University School of Law, White Plains, New York

LOUISE M.RYAN,

Harvard University, Boston, Massachusetts

KIRK SMITH,

University of California, Berkeley

LISA SPEER,

Natural Resources Defense Council, New York, New York

Senior Staff

JAMES J.REISA, Director

DAVID J.POLICANSKY, Associate Director and Senior Program Director for Applied Ecology

RAYMOND A.WASSEL, Senior Program Director for Environmental Sciences and Engineering

KULBIR BAKSHI, Program Director for the

Committee on Toxicology

ROBERTA M.WEDGE, Program Director for Risk Analysis

K.JOHN HOLMES, Senior Staff Officer

SUSAN N.J.MARTEL, Senior Staff Officer

SUZANNE VAN DRUNICK, Senior Staff Officer

RUTH E.CROSSGROVE, Managing Editor

1  

This study was planned, overseen, and supported by the Board on Environmental Studies and Toxicology.

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
×

OTHER REPORTS OF THE BOARD ON ENVIRONMENTAL STUDIES AND TOXICOLOGY

The Airliner Cabin Environment and Health of Passengers and Crew (2002)

Arsenic in Drinking Water: 2001 Update (2001)

Evaluating Vehicle Emissions Inspection and Maintenance Programs (2001)

Compensating for Wetland Losses Under the Clean Water Act (2001)

A Risk-Management Strategy for PCB-Contaminated Sediments (2001)

Toxicological Effects of Methylmercury (2000)

Strengthening Science at the U.S. Environmental Protection Agency: Research-Management and Peer-Review Practices (2000)

Scientific Frontiers in Developmental Toxicology and Risk Assessment (2000)

Copper in Drinking Water (2000)

Ecological Indicators for the Nation (2000)

Waste Incineration and Public Health (1999)

Hormonally Active Agents in the Environment (1999)

Research Priorities for Airborne Paniculate Matter (3 reports, 1998–2001)

Ozone-Forming Potential of Reformulated Gasoline (1999)

Risk-Based Waste Classification in California (1999)

Arsenic in Drinking Water (1999)

Brucellosis in the Greater Yellowstone Area (1998)

The National Research Council’s Committee on Toxicology: The First 50 Years (1997)

Carcinogens and Anticarcinogens in the Human Diet (1996)

Upstream: Salmon and Society in the Pacific Northwest (1996)

Science and the Endangered Species Act (1995)

Wetlands: Characteristics and Boundaries (1995)

Biologic Markers (5 reports, 1989–1995)

Review of EPA’s Environmental Monitoring and Assessment Program (3 reports, 1994–1995)

Science and Judgment in Risk Assessment (1994)

Pesticides in the Diets of Infants and Children (1993)

Protecting Visibility in National Parks and Wilderness Areas (1993)

Dolphins and the Tuna Industry (1992)

Science and the National Parks (1992)

Assessment of the U.S. Outer Continental Shelf Environmental Studies Program, Volumes I–IV (1991–1993)

Human Exposure Assessment for Airborne Pollutants (1991)

Rethinking the Ozone Problem in Urban and Regional Air Pollution (1991)

Decline of the Sea Turtles (1990)

Copies of these reports may be ordered from the National Academy Press

(800) 624–6242 or (202) 334–3313

www.nap.edu

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Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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Acknowledgment of Review Participants

This report has been reviewed in draft form by individuals chosen for their diverse perspectives and technical expertise, in accordance with procedures approved by the NRC’s Report Review Committee. The purpose of this independent review is to provide candid and critical comments that will assist the institution in making its published report as sound as possible and to ensure that the report meets institutional standards for objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process. We wish to thank the following individuals for their review of this report:

Donald Barry, The Wilderness Society

Peter A.Bisson, U.S. Forest Service

Mark S.Borsity of Alberta

Ingrid Burke, Colorado State University

Charles C.Capen, Ohio State University

Michael B.Coughenour, Colorado State University

Amy E.Hessl, West Virginia University

Douglas B.Houston, National Park Service (retired)

Peggy Johnson, Pennsylvania State University

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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Walter Klippel, University of Tennessee

Frederic Wagner, Utah State University

James E.Womack, Texas A&M University

Although the reviewers listed above have provided many constructive comments and suggestions, they were not asked to endorse the conclusions or recommendations nor did they see the final draft of the report before its release. The review of this report was overseen by Simon Levin, Princeton University, and Ellis Cowling, North Carolina State University. Appointed by the National Research Council, they were responsible for making certain that an independent examination of this report was carried out in accordance with institutional procedures and that all review comments were carefully considered. Responsibility for the final content of this report rests entirely with the authoring committee and the institution.

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
×

Preface

National Park policy for management of ungulates within Yellowstone National Park (YNP) has undergone major changes since Yellowstone, the world’s first national park, was established in 1872. These changes, from little emphasis on wildlife at the time of establishment to a major focus on wildlife today, have accompanied an evolving interest in wildlife by the visiting public together with increased understanding of the ecosystem relationships of wildlife by the National Park Service. The ecological relationships of the elk, bison, and other ungulates that inhabit the northern portion of YNP are, however, extremely complex. Acquiring adequate knowledge of this complexity as a basis for park management policy has been complicated by both the dynamic changes that have characterized the system and the recognition that the natural boundaries of this ecosystem extend well outside of YNP, largely to the north into Montana. As a consequence, any management activities that may affect the ungulates within YNP, such as previous reduction hunts and the more recent reintroduction of wolves to the ecosystem, are not independent of land use and associated human activities in the northern range area outside of the park.

The national park concept originated in the United States with the National Park Service’s mandate for management of YNP has been to assure protection of the geological, landscape, and biological features for which it was established and to provide opportunities for the public to visit and appreciate its unique natural values. Interests and expectations of visitors to YNP regard-

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
×

ing wildlife, although changing over time, have continued to influence wildlife management policy within the park. An understanding of the ecological relationships of wildlife within the park is also an important component of national park management. A major challenge for park management is to meet expectations of the visiting public regarding wildlife; with the cumulative increase in understanding of the ecology of park wildlife.

Within this context of ecosystem change and complexity, changing human perspectives and interests in wildlife, and markedly differing land designations and uses inside and outside of YNP, it is not surprising that controversy arose over National Park Service policy toward ungulates within the park. The National Research Council’s Committee on Ungulate Management in Yellowstone National Park, charged to review information of the population ecology about ungulates on the northern range of the Greater Yellowstone ecosystem and associated practices for their management, was cognizant of the diversity of perspectives, concerns, and opinions that the public has expressed about management policy for ungulates in YNP. The committee appreciated the opportunity to hear from a wide range of people interested in the issues the committee was asked to address during open forums in Gardiner, Montana, and in Mammoth, Wyoming. The oral and written submissions, reports, and publications provided to the committee by members of the public; the National Park Service; the U.S. Forest Service; Montana Fish, Wildlife and Parks; the Biological Resources Division of the U.S. Geological Survey; and other agency representatives; were particularly valuable in our efforts to comprehensively review all relevant information. We thank the following people who made presentations to the committee: John Dennis of the Washington office of NPS; Michael Finley, John Varley, Paul Schullery, Ann Johnson, and Wayne Brewster of YNP; Steve Torbit of the National Wildlife Federation; rancher Brian Severin; Mike Harris of Senator Conrad Burns’s office; Frederic H. Wagner of Utah State University; Bob Beschta of Oregon State University; Richard Keigley, Peter Gogan, and Kim Keating of the U.S. Geological Survey; Tom Lemke and Kurt Alt of Montana Fish, Wildlife, and Parks; Clifford Montagne of Montana State University; Timothy Clark of Yale University; Rex Gates of Brigham Young University; and members of the Northern Yellowstone Cooperative Wildlife Working Group.

We hope the efforts of the committee, culminating in this report, will enhance understanding of the complexity of the ecological relationships of the ungulates of the Yellowstone northern range and will strengthen the scientific

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basis for effectively managing them within the context of the Greater Yellowstone ecosystem.

All members of the committee were generous in their commitment of time through participation in the meetings, discussions, and writing of this consensus report. We appreciate the assistance provided by National Research Council staff Lee Paulson, David Policansky, Chris Elfring, Margaret Walsh, Kathy Iverson, Stephanie Parker, Mirsada Karalic-Loncarevic, Kelly Clark, Ramya Chari, and Jennifer Saunders, who supported our efforts to meet, discuss, and prepare the final report. Of particular importance to the completion of the report are the efforts of Lee Paulson, during the initial stage of committee meetings and preliminary writing; Gordon Orians, who as liaison from the Board on Environmental Studies and Toxicology, provided oversight, guidance, and critical review; and David Policansky, who undertook the difficult and final editorial task of melding and integrating the written contributions of committee members.

David R.Klein, Ph.D.

Chair, Committee on Ungulate

Management in Yellowstone

National Park

Suggested Citation:"Front Matter." National Research Council. 2002. Ecological Dynamics on Yellowstone's Northern Range. Washington, DC: The National Academies Press. doi: 10.17226/10328.
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Ecological Dynamics on Yellowstone’s Northern Range

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Ecological Dynamics on Yellowstone’s Northern Range discusses the complex management challenges in Yellowstone National Park. Controversy over the National Park Service’s approach of "natural regulation" has heightened in recent years because of changes in vegetation and other ecosystem components in Yellowstone's northern range. Natural regulation minimizes human impacts, including management intervention by the National Park Service, on the park ecosystem. Many have attributed these changes to increased size of elk and other ungulate herds.

This report examines the evidence that increased ungulate populations are responsible for the changes in vegetation and that the changes represent a major and serious change in the Yellowstone ecosystem. According to the authors, any human intervention to protect species such as the aspen and those that depend on them should be prudently localized rather than ecosystem-wide. An ecosystem--wide approach, such as reducing ungulate populations, could be more disruptive. The report concludes that although dramatic ecological change does not appear to be imminent, approaches to dealing with potential human--caused changes in the ecosystem, including those related to climate change, should be considered now. The need for research and public education is also compelling.

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