Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Question
Chapter 58, Problem 4Q
Summary Introduction
To review:
Whether the conservation strategies for puma population be focused on Santa Ana mountains, peninsular range or both the regions.
Given:
The data shows the reasons for the mortality in a species of puma (Puma concolor) in two regions of South California (Table 1).
Table 1: The reasons for the mortality in a species of puma (Puma concolor)
| Mortality percentage (number of individuals) | ||||
| Reason of mortality | Santa Ana mountains | Peninsular range | Total | |
| Vehicle collision | 46 (6) | 19 (4) | 28 (10) | |
| Killed for public safety | 0 (0) | 4 (1) | 3 (1) | |
| Illegal hunting (poaching) | 23 (3) | 4 (1) | 11 (4) | |
| Legal hunting | 0 (0) | 26 (6) | 17 (6) | |
| Suspected disease | 8 (1) | 13 (3) | 11 (4) | |
| Confirmed disease | 8 (1) | 9 (2) | 5 (2) | |
| Fire | 8 (1) | 4 (1) | 5 (2) | |
| Intraspecies killing | 0 (0) | 4 (1) | 3 (1) | |
| Capture-related | 0 (0) | 4 (1) | 3 (1) | |
| Unknown causes | 15 (2) | 13 (3) | 14 (5) | |
| Total | 13 | 23 | 36 | |
Introduction:
A study was conducted to determine the population of Puma in Santa Ana mountains and Peninsular range of South California. It is a threatened species, which faces danger from habitat destruction and fragmentation and from human conflicts. These factors have led to the isolation of this species and decline in their number, which has ultimately contracted their gene pool size.
Two populations of this species are separated by highways into two regions mentioned above. Santa Ana mountains are better developed in comparison to the Peninsular range, which is basically an agricultural area. The cat species was radio-collared to observe their movement from 2001 to 2013.
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Chapter 58 Solutions
Life: The Science of Biology
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