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The Structure and Dynamics of Human EcosystemsToward a Model for Understanding and Action$
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William R Burch, Gary E Machlis, and Jo Ellen Force

Print publication date: 2017

Print ISBN-13: 9780300137033

Published to Yale Scholarship Online: January 2018

DOI: 10.12987/yale/9780300137033.001.0001

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PRINTED FROM YALE SCHOLARSHIP ONLINE (www.yale.universitypressscholarship.com). (c) Copyright Yale University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in YSO for personal use.date: 22 September 2021

Key Components and Variables for Analyzing Human Ecosystems

Key Components and Variables for Analyzing Human Ecosystems

Chapter:
(p.74) Six Key Components and Variables for Analyzing Human Ecosystems
Source:
The Structure and Dynamics of Human Ecosystems
Author(s):

William R. Burch Jr.

Gary E. Machlis

Jo Ellen Force

Publisher:
Yale University Press
DOI:10.12987/yale/9780300137033.003.0006

This chapter draws on lessons learned from prior application of the HEM and includes those lessons in a modest revision of the early work. It details each component and variable by providing a general definition and description, suggesting ways that the variable can be measured, and giving selected examples of how a variable may influence other variables of the human ecosystem. The passage of time and the application of the model in many situations have left most of those early components and variables intact, with only a few key additions and deletions. The chapter aims to provide the HEM user with an integrated set of social, economic, and ecological measures that can be collected over time.

Keywords:   Human Ecosystem Model, variables, components, human ecosystem, ecological measures

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