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- W2186711472 abstract "2 Abstract: Ageing data for endemic Opsaridium microlepis to Lake Malawi riverine system has mainly been derived from Length Frequency and Distribution Analysis (LFDA). No aspects of the ageing of O. microlepis have been investigated using hard parts. Sectioned otoliths were used to estimate the age of O. microlepis in the Linthipe River from November 2005 to December 2006. The reproducibility of otoliths readings was described using Average Percentage Error Index (APEI), which was equal to 8.2 %. The age-length data from the sample of 214 fish was described by simple regression model as follows: Fish total length (cm) = 12.56 + 6.931* Fish age; r = 0.799, r = 0.639, (p<0.01). The estimated growth rates pattern observed from the study differ 2 from earlier estimates based on LFDA as these appear to have under estimated the ages and growth rate of the species. Results reinforce previous hypotheses that concentrations of O. microlepis exploited in Malawian rivers are largely composed of smaller but mature fish that migrate to these rivers during rainy season for spawning." @default.
- W2186711472 created "2016-06-24" @default.
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- W2186711472 date "2014-01-01" @default.
- W2186711472 modified "2023-09-27" @default.
- W2186711472 title "Age and Growth of Lake Malawi Salmon Opsaridium microlepis (Günther, 1864) in the Linthipe River in Central Malawi Using Otoliths" @default.
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