Thresholds of Climate Change in Ecosystems

One of 31 books in the series: Synthesis and Assessment Product available on this site.

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Description

This Report (SAP 4.2) focuses on the thresholds of Climate Change in Ecosystems. As defined in this Synthesis and Assessment Report, 'an ecological threshold is the point at which there is an abrupt change in an ecosystem quality, property, or phenomenon, or where small changes in one or more external conditions produce large and persistent responses in an ecosystem'.Ecological thresholds occur when external factors, positive feedbacks, or nonlinear instabilities in a system cause changes to propagate in a domino-like fashion that is potentially irreversible. This report reviews threshold changes in North American ecosystems that are potentially induced by climatic change ... continued below

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xiii, 157 p. : col. ill.

Creation Information

U.S. Climate Change Science Program and the Subcommittee on Global Change Research January 2009.

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This book is part of the collection entitled: Environmental Policy Collection and was provided by UNT Libraries to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 192 times . More information about this book can be viewed below.

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  • Main Title: Thresholds of Climate Change in Ecosystems
  • Added Title: U.S. Climate Change Science Program Synthesis and Assessment Product 4.2, January 2009
  • Series Title: Synthesis and Assessment Product

Description

This Report (SAP 4.2) focuses on the thresholds of Climate Change in Ecosystems. As defined in this Synthesis and Assessment Report, 'an ecological threshold is the point at which there is an abrupt change in an ecosystem quality, property, or phenomenon, or where small changes in one or more external conditions produce large and persistent responses in an ecosystem'.Ecological thresholds occur when external factors, positive feedbacks, or nonlinear instabilities in a system cause changes to propagate in a domino-like fashion that is potentially irreversible. This report reviews threshold changes in North American ecosystems that are potentially induced by climatic change and addresses the significant challenges these threshold crossings impose on resource and land managers. Sudden changes to ecosystems and the goods and services they provide are not well understood, but they are extremely important if natural resource managers are to succeed in developing adaptation strategies in a changing world. The report provides an overview of what is known about ecological thresholds and where they are likely to occur. It also identifies those areas where research is most needed to improve knowledge and understand the uncertainties regarding them. The report suggests a suite of potential actions that land and resource managers could use to improve the likelihood of success for the resources they manage, even under conditions of incomplete understanding of what drives thresholds of change and when changes will occur.

Physical Description

xiii, 157 p. : col. ill.

Notes

This document was prepared in accordance with Section 515 of the Treasury and General Government Appropriations Act for Fiscal Year 2001 (Public Law 106-554) and the information quality act guidelines issued by the Department of the Interior and the U.S. Geological Survey pursuant to Section 15). The CCSP Interagency Committee relies on the Department of the Interior and the U.S. Geological Survey certifications regarding compliance with Section 515 and Department guidelines as the basis for determining that this product conforms with Section 515. For purposes of compliance with
Section 515, this CCSP Synthesis and Assessment Product is an "interpreted product" as that term is used in U.S. Geological Survey guidelines and is classified as "highly influential". This document does not express any regulatory policies of the United States or any of its agencies, or provide recommendations for regulatory action.

[harvested: 2009-09-08]

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Environmental Policy Collection

The Environmental Policy Collection contains reports, policy documents, and media selected from local, statewide, national, and international organizations; government and private agencies; and scientific and research institutions. The collection also contains theses and dissertations relevant to environmental policy.

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  • January 2009

Added to The UNT Digital Library

  • March 16, 2010, 3:46 p.m.

Description Last Updated

  • Oct. 6, 2010, 6:13 p.m.

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U.S. Climate Change Science Program and the Subcommittee on Global Change Research. Thresholds of Climate Change in Ecosystems, book, January 2009; Washington, DC. (digital.library.unt.edu/ark:/67531/metadc12029/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .