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Understanding Kūpeʻe (Nerita polita) Gonad Development and Demography for Continued Use at Two Sites on Hawaiʻi Island

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Title:Understanding Kūpeʻe (Nerita polita) Gonad Development and Demography for Continued Use at Two Sites on Hawaiʻi Island
Authors:Kalei, Heather Nahaku
Contributors:deMaintenon, Marta (advisor)
Tropical Conservation Biology & Environmental Science (department)
Keywords:Histology
Cultural resources management
Ecology
gonad development
Hawaii
show 4 morekūpeʻe
length at maturity
Nerita polita
Population density
show less
Date Issued:Jan 2018
Abstract:Kūpeʻe (Nerita polita Linnaeus, 1758) is a cryptic, mostly nocturnal intertidal species of gastropod mollusc used widely in Hawaiʻi for sustenance and cultural practices. Despite a long tradition of human interaction with this species, information is generally lacking regarding its reproductive ecology. Results of this study suggest that male and female individuals do not differ significantly in size and that the minimum shell length at maturity for both males and females is 14 mm. Mature gonads were present in both sexes throughout the study period, and mating was documented throughout the same period, suggesting continuous spawning throughout the year. These results are consistent at both study sites, Kawaihae and Waiuli, Hawaiʻi. Comparison of population size structure at the study sites with the desirable shell lengths, as denoted by the Bishop Museum lei collection and modern lei, shows that less than 5% of the population fits into the desirable size range.
Pages/Duration:46 pages
URI:http://hdl.handle.net/10790/3417
Rights:All UHH dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections: Tropical Conservation Biology and Environmental Science
TCBES Theses


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