Cover: The Birds of Concord: A Study in Population Trends, from Harvard University PressCover: The Birds of Concord in E-DITION

The Birds of Concord

A Study in Population Trends

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Product Details


$65.00 • £54.95 • €60.00

ISBN 9780674284081

Publication Date: 06/16/1949

340 pages

16 illustrations; 2 maps


Related Subjects

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  • Introduction
    • Description of the Area
    • Summary of Ornithological Work
    • Methods of Treatment
    • History of Study Methods
  • Part I. Population Trends
    • Basic Factors
      • Geology
      • Climate
      • Vegetation
      • Civilization and Its Disturbances
    • Birds as a Class
      • Assets and Liabilities
    • General Summary
      • Some Fluctuations in Animals
      • Fluctuations in Birds
      • Importance of Adaptability
    • Population Declines and Increases
      • General Discussion
      • Bird Population Densities
      • Declines for Other than Local Causes
      • Population Increases
      • Cycles and Periodicity
      • General Principles of Population Trends
    • Lists of Birds Which Have Increased or Declined
  • Part II. Birds of the Concord Region
    • General Features
      • The Present-Day Bird-Life by Groups
      • Migration Routes
      • Peripheral Species
      • Seasonal Bird-Life
      • Newly Created Habitats
      • Special Localities and Routes
      • Statistical Summary
    • Systematic List
  • Bibliography
  • Index

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