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d. In the Balsams, Hairston discovered the removal of an average of 2.8 P. glutinosus within altitudinal erlap zones resulted in an average increase in the density of P. jordani by 1.8 individuals. Based upon these a, how many P. jordani individuals are equivalent to 1 P. glutinosus in the Balsams? e. Write the Lotka-Volterra competition equations for these two salamanders in each mountain range. f. Plot a graph of the isoclines for the competitive interaction between these salamanders in each untain range. Indicate the direction of population growth for both species in each section of the graphs and icate the outcome of competition.

d. In the Balsams, Hairston discovered the removal of an average of 2.8 P. glutinosus within altitudinal erlap zones resulted in an average increase in the density of P. jordani by 1.8 individuals. Based upon these a, how many P. jordani individuals are equivalent to 1 P. glutinosus in the Balsams? e. Write the Lotka-Volterra competition equations for these two salamanders in each mountain range. f. Plot a graph of the isoclines for the competitive interaction between these salamanders in each untain range. Indicate the direction of population growth for both species in each section of the graphs and icate the outcome of competition.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Hairston (1980) studied competition between two salamanders (Plethodon jordani & P. glutinosus) in the eastern US. These two species exhibit different degrees of altitudinal overlap in different mountain ranges. Hairston performed a series of removal experiments in 24 m diameter plots in each mountain range. Based upon the results of many years of study, Hairston estimated the carrying capacities of each species (per plot) in each mountain range. His data are shown below. Mountain Range Species P. jordani P. glutinosus Smokies 45 12 Balsams 47 11
Transcribed Image Text:Hairston (1980) studied competition between two salamanders (Plethodon jordani & P. glutinosus) in the eastern US. These two species exhibit different degrees of altitudinal overlap in different mountain ranges. Hairston performed a series of removal experiments in 24 m diameter plots in each mountain range. Based upon the results of many years of study, Hairston estimated the carrying capacities of each species (per plot) in each mountain range. His data are shown below. Mountain Range Species P. jordani P. glutinosus Smokies 45 12 Balsams 47 11
d. In the Balsams, Hairston discovered the removal of an average of 2.8 P. glutinosus within altitudinal overlap zones resulted in an average increase in the density of P. jordani by 1.8 individuals. Based upon these data, how many P. jordani individuals are equivalent to 1 P. glutinosus in the Balsams? e. Write the Lotka-Volterra competition equations for these two salamanders in each mountain range. f. Plot a graph of the isoclines for the competitive interaction between these salamanders in each mountain range. Indicate the direction of population growth for both species in each section of the graphs and indicate the outcome of competition.
Transcribed Image Text:d. In the Balsams, Hairston discovered the removal of an average of 2.8 P. glutinosus within altitudinal overlap zones resulted in an average increase in the density of P. jordani by 1.8 individuals. Based upon these data, how many P. jordani individuals are equivalent to 1 P. glutinosus in the Balsams? e. Write the Lotka-Volterra competition equations for these two salamanders in each mountain range. f. Plot a graph of the isoclines for the competitive interaction between these salamanders in each mountain range. Indicate the direction of population growth for both species in each section of the graphs and indicate the outcome of competition.
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