The population dynamics of Porcellio Scaber, latr (Crustacea Isopoda) in waste grassland in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Zoology at Massey University
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Date
1971
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Massey University
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Abstract
The dynamics of an isopod (Porcellio acaber) population in waste grassland are described. Three different generations can be distinguished on the basis of size distributions. A difference in age structure and sex ratio is seen in two areas of the study region. Overall there are more females than males. A cohort of 1000 individuals can produce 6000 young in a year, but only 10% of these survive to become sexually mature. Isopods provide a significant reservoir of calcium in the environment.
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Isopoda