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Population Growth and Endangered Species Laboratories

by Sheryl L. Soucy, Steven D. Carroll, and Lev R. Ginzburg

  RAMAS Primer


Table of Contents

General Description

About the Authors

System Requirements for EcoLab


General Description

Used by Stony Brook University for 15 years to teach concepts of ecology and population biology as part of their introductory biology course.

Population Growth and Endangered Species provides inquiry-based exercises to help understand real-world problems related to population biology. The material does not require students to have a strong mathematical background. Investigate the probability of spotted owl extinction or tackle population growth issues (including the effectiveness of fertility control and immigration control programs) by working with real Census Bureau data.

Appropriate for:

  • General Biology
  • Environmental Studies
  • Ecology
  • Conservation Biology

Eleven exercises divided into two units. Designed to take 5-6 hours of class time to complete.  Population Growth and Endangered Species Laboratories comprises a 60-page manual with background information, exercises and suggestions for additional work, as well as RAMAS EcoLab software for performing simulations.

Instructors' edition of the manual included with purchase:
Contains answers to questions and additional notes in the margins.  It also presents and explains the mathematical equations underlying the basic concepts of population biology and demography.  Each laboratory contains all of the necessary background information for teaching a unit on population biology independent of a textbook.

Table of Contents
  • Laboratory 1: Population Growth
    • Factors affecting population growth
    • Projections for the United States population
    • The effectiveness of immigration control programs
    • The effectiveness of fertility control programs
    • Additional activities
  • Laboratory 2: Endangered Species Analysis
    • Variability in Populations
    • Probability of Extinction in Populations
    • Projections for an Endangered Species
    • The Accuracy of Long-term Predictions
    • Management of a Threatened Species Population
  • Appendix 1: Installing and Invoking RAMAS
  • Appendix 2: RAMAS Age Function keys
  • Appendix 3: Glossary
  • Appendix 4: Making your graph suitable for presentation
About the Authors

Sheryl L. Soucy is in the Department of Ecology and Evolution at Stony Brook University. While her research interests include the genetical theory of species invasions and biological conservation, her primary research is on the population genetics and evolutionary history of social insects.

Steven D. Carroll is in the Department of Ecology and Evolution at Stony Brook University. A mathematical biologist working in theoretical ecology, he is currently interested in models of population dynamics.

Lev R. Ginzburg is a Professor in the Department of Ecology and Evolution at the State University of New York, Stony Brook. Dr. Ginzburg has authored, coauthored, or edited four books and over one hundred articles in theoretical ecology and evolution. He is a theoretical ecologist primarily interested in population dynamics and cycling, maternal effects, and risk analysis.

Learn more about RAMAS Teaching Software



Availablle through an annual site license only. One license serves 25 seats.

See our price list for current products.


  • Population Growth and Endangered Species Manual
  • Disk with RAMAS® EcoLab
  • Instructor's Manual
  • Unbound copy of student manual for duplication

Contact us for electronic distribution.

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