Essentials of Ecology

(Kiana) #1

ACADEMIC.CENGAGE.COM/BIOLOGY/MILLER 213


DATA ANALYSIS


Examine these data released by the World Resources Institute


and answer the following questions.


LEARNING ONLINE


Log on to the Student Companion Site for this book at


academic.cengage.com/biology/miller, and choose
Chapter 9 for many study aids and ideas for further read-


ing and research. These include flash cards, practice quiz-
zing, Weblinks, information on Green Careers, and InfoTrac®
College Edition articles.


  1. For each of the eight countries, complete the table by fill-
    ing in the last column.

  2. Arrange the countries from largest to smallest according to
    Total Land Area. Does there appear to be any correlation


between the size of country and the percentage of Threat-
ened Breeding Bird Species? Explain your reasoning.

Threatened Breeding
Total Protected Area Total Bird Species
Land Area as Percent Number of Number of as Percent
in Square of Total Known Breeding Threatened Breeding of Total Number of
Kilometers Land Area Bird Species Bird Species Known Breeding
Country (square miles) (2003) (1992–2002) (2002) Bird Species
Afghanistan 647,668 0.3 181 11
(250,000)

Cambodia 181,088 23.7 183 19
(69,900)

China 9,599,445 7.8 218 74
(3,705,386)

Costa Rica 50,110 23.4 279 13
(19,730)

Haiti 27,756 0.3 62 14
(10,714)

India 3.287,570 5.2 458 72
(1,269,388)

Rwanda 26,344 7.7 200 9
(10,169)

United States 9,633,915 15.8 508 55
(3,781,691)

Source: Data from earthtrends.wri.org/country_profiles/index.php?theme=7.
World Resources Institute, Earth Trends, Biodiversity and Protected Areas, Country Profiles

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