a. In the Smokies, Hairston discovered the removal of an average of 18 P. jordani within altitudinal overlap zones resulted in an average increase in the density of P. glutinosus by 3.5 individuals. Based upon these data, how many P. glutinosus individuals are equivalent to 1 P. jordani in the Smokies? b. In the Balsams, Hairston discovered the removal of an average of 18 P. jordani within altitudinal overlap zones resulted in an average increase in the density of P. glutinosus by 2.6 individuals. Based upon these data, how many P. glutinosus individuals are equivalent to 1 P. jordani in the Balsams? c. In the Smokies, Hairston discovered the removal of an average of 1.9 P. glutinosus within altitudinal overlap zones resulted in an average increase in the density of P. jordani by 4.3 individuals. Based upon these data, how many P. jordani individuals are equivalent to 1 P. glutinosus in the Smokies?
a. In the Smokies, Hairston discovered the removal of an average of 18 P. jordani within altitudinal overlap zones resulted in an average increase in the density of P. glutinosus by 3.5 individuals. Based upon these data, how many P. glutinosus individuals are equivalent to 1 P. jordani in the Smokies? b. In the Balsams, Hairston discovered the removal of an average of 18 P. jordani within altitudinal overlap zones resulted in an average increase in the density of P. glutinosus by 2.6 individuals. Based upon these data, how many P. glutinosus individuals are equivalent to 1 P. jordani in the Balsams? c. In the Smokies, Hairston discovered the removal of an average of 1.9 P. glutinosus within altitudinal overlap zones resulted in an average increase in the density of P. jordani by 4.3 individuals. Based upon these data, how many P. jordani individuals are equivalent to 1 P. glutinosus in the Smokies?
Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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R and K Selection
R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.
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Transcribed Image Text:**Title: Competitive Interactions Between Salamander Species in Eastern US Mountain Ranges**
Hairston (1980) conducted a study on the competition between two salamander species, *Plethodon jordani* and *Plethodon glutinosus*, in the eastern United States. These species show varying degrees of altitudinal overlap across different mountain ranges. Hairston carried out a series of removal experiments within 24 m diameter plots in each mountain range. The research aimed to estimate the carrying capacities of each species in these areas. The findings are presented in the table below.
**Mountain Range Carrying Capacities**
| Species | Smokies | Balsams |
|-----------------|---------|---------|
| P. jordani | 45 | 47 |
| P. glutinosus | 12 | 11 |
**Research Findings**
a. In the Smokies, the removal of an average of 18 *P. jordani* in altitudinal overlap zones resulted in an average increase of 3.5 *P. glutinosus* individuals. Calculating from these data, the number of *P. glutinosus* individuals equivalent to 1 *P. jordani* is determined.
b. In the Balsams, the removal of an average of 18 *P. jordani* in altitudinal overlap zones resulted in an average increase of 2.6 *P. glutinosus* individuals. Based on these data, the number of *P. glutinosus* individuals equivalent to 1 *P. jordani* is assessed.
c. In the Smokies, removing an average of 1.9 *P. glutinosus* in altitudinal overlap zones led to an average increase of 4.3 *P. jordani* individuals. Using these findings, the number of *P. jordani* individuals equivalent to 1 *P. glutinosus* is evaluated.
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