Directions in Conservation Biology: Comments on Caughley

The recent review by Caughley (1994) on approaches used in conservation biology suggested that there are two: the small population paradigm and the declining population paradigm. We believe that this division is overly simplistic and that it should not be perpetuated. Both the deterministic factors...

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Bibliographic Details
Published in:Conservation biology 1996-10, Vol.10 (5), p.1312-1320
Main Authors: Hedrick, Philip W., Lacy, Robert C., Allendorf, Fred W., Soulé, Michael E.
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
Cheetahs
Conservation biology
Conservation, protection and management of environment and wildlife
Demography
Environmental conservation
Fundamental and applied biological sciences. Psychology
General aspects
Genetic variation
Habitat conservation
Population genetics
Salmon
Species extinction
Wildlife conservation
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Summary:The recent review by Caughley (1994) on approaches used in conservation biology suggested that there are two: the small population paradigm and the declining population paradigm. We believe that this division is overly simplistic and that it should not be perpetuated. Both the deterministic factors that reduce population size and the stochastic factors that lead to the final extinction of a small population are critical to consider in preventing extinction. Only through an overall and comprehensive effort, which we call inclusive population viability analysis, can extinction processes be understood and mitigated. In this context we discuss Caughley's comments about genetics, demography, and general population viability, with particular attention to cheetahs (Acinonyx jubatus) and Pacific salmon (Oncorhynchus sp.).
ISSN:0888-8892
1523-1739
DOI:10.1046/j.1523-1739.1996.10051312.x