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UBC Theses and Dissertations
Growth and regulation of springtail populations, with special reference to predation by pseudoscorpions Johnson, Dan Lloyd
Abstract
The effects of predation by a pseudoscorpion, Apochthonius minimus, on growing populations of springtails, Folsomia Candida, were studied experimentally. Analysis of individual springtail growth over time provided a technique for determining prey age. Predation rates and the degree of size-selection by the predator were measured. It was shown that the predators prefer older prey individuals and that this preference may result in higher densities of prey juveniles. Baseline data on population dynamics, population distributions, dispersal, species composition of the microarthropod community in the study area, soil moisture and weather were provided.
Item Metadata
Title |
Growth and regulation of springtail populations, with special reference to predation by pseudoscorpions
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
1980
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Description |
The effects of predation by a pseudoscorpion, Apochthonius minimus, on growing populations of springtails, Folsomia Candida, were studied experimentally. Analysis of individual springtail growth over time provided a technique for determining prey age. Predation rates and the degree of size-selection by the predator were measured. It was shown that the predators prefer older prey individuals and that this preference may result in higher densities of prey juveniles.
Baseline data on population dynamics, population distributions,
dispersal, species composition of the microarthropod community in the study area, soil moisture and weather were provided.
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Genre | |
Type | |
Language |
eng
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Date Available |
2010-03-19
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0094782
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.