NDLI: Growth of the black-lip pearl oyster, Pinctada margaritifera, at nine culture sites of French Polynesia: synthesis of several sampling designs conducted between 1994 and 1999

Content Provider	EDP Sciences
Author	Stéphane Pouvreau Vincent Prasil
Abstract	Between 1994 and 1999, several sampling designs were used to measure the growth of the black-lip pearl oyster, Pinctada margaritifera var. cumingi at different sites in French Polynesia. Using a common statistical method, growth data were analysed for nine sites and showed significant geographic variability. Parameters of the Von Bertalanffy model, fitted on the nine data sets, ranged from 147 to 186.5 mm for the H_{∞_{parameter and from 0.42 to 0.58 year^{–1^{for the k parameter. The φ parameter (combination of H_{∞_{and k) provided a ranking classification of growth in these nine sites: growth was low in closed atoll lagoons, such as Takapoto, whereas the island lagoons and ocean habitat supported a very promising shell growth. Calculated on the basis of these models, two parameters of interest for pearl farming were computed: 1) the time for pearl oysters to reach a size of 100 mm (size at which they are suitable for nucleus implantation), which ranged from 21 to 26 months, and 2) the annual shell growth increment at this size (correlated to the rate of nacreous deposition on the pearl), which varied from 19.7 to 31.8 mm·year^{–1^{. The combination of these two sets of results demonstrated that the time necessary to produce a comparable pearl varied significantly according to the site. Several hypotheses to explain the differences observed in the growth of P. margaritifera in these nine sites are proposed. The most reasonable would appear to be: 1) the negative effect of high temperature (> 30°C), and 2) the degree of water renewal and food supply around the bivalve. Although this paper demonstrated significant variability in growth performance in the nine investigated sites, further investigations are needed, especially concerning the flesh growth rate. Indeed, this highly relevant parameter, which reflects both bivalve health and the suitability of farming sites, has received very little attention to date.}}}}}}}}
Ending Page	163
Starting Page	155
Page Count	9
File Format	HTM / HTML PDF
ISSN	09907440
Alternate Webpage(s)	https://www.alr-journal.org/articles/alr/abs/2001/03/alr1130/alr1130.html
e-ISSN	17652952
Issue Number	3
Journal	Aquatic Living Resources
Volume Number	14
DOI	10.1016/S0990-7440(01)01120-2
Language	English
Publisher	EDP Sciences
Publisher Date	2001-05-01
Access Restriction	Subscribed
Rights Holder	© Elsevier, IRD, Inra, Ifremer, Cemagref, CNRS, 2001
Subject Keyword	growth pearl oyster Pinctada margaritifera tropical lagoon Von Bertalanffy model growth / pearl oyster / Pinctada margaritifera / tropical lagoon / Von Bertalanffy model
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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Growth of the black-lip pearl oyster, pinctada margaritifera, at nine culture sites of french polynesia: synthesis of several sampling (2000).

oyster, Pinctada margaritifera (Bivalvia: Pteriidae), cultivated in Takapoto atoll (French Polynesia) (1999)

Growth and gonad development of the tropical black-lip pearl oyster, Pinctada margaritifera (L.), in the Gambier archipelago (French Polynesia)

A histological examination of grafting success in pearl oyster Pinctada margaritifera in French Polynesia

Trophic web and carrying capacity in a pearl oyster farming lagoon (Takapoto, French Polynesia)

Polynesia (2000).

Hatchery-scale trials using cryopreserved spermatozoa of black-lip pearl oyster, Pinctada margaritifera

Evidence of donor effect on cultured pearl quality from a duplicated grafting experiment on Pinctada margaritifera using wild donors

Ecophysiological model of growth and reproduction of the black pearl oyster, Pinctada margaritifera: potential applications for pearl farming in French Polynesia

Growth of the black-lip pearl oyster, Pinctada margaritifera, at nine culture sites of French Polynesia: synthesis of several sampling designs conducted between 1994 and 1999

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Growth of the black-lip pearl oyster, Pinctada margaritifera, at nine culture sites of French Polynesia: synthesis of several sampling designs conducted between 1994 and 1999