Stimulating investment in pearl farming in ... - World Fish Center

Figure 9. Total (blank columns).and live (solid columns) abundance, ± standard error,of blacklip spat harvested from collectors after 3, 4, 5 and 6 months at Gizo and Noro.The mean size, as dorso-ventral measurement ± standard error of live spat harvestedeach month is also shown.As well as indicating a net loss of spat from the third month onwards, figure 9 alsoshows that this loss appears to prevent the mean size from increasing. Size-frequencyplots from this study (Friedman and Bell, 2000) indicate that after three months mostspat were