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- W2750874908 abstract "The recruitment pattern and length-at-first-capture of Chrysichthys nigrodigitatus from lower Cross River, Nigeria, were derived from 12 consecutive month length - frequency samples (October 2011 to November 2012) using FAO – ICLARM Stock Assessment Tools (FiSAT II) software. Recruitment was continuous all year-around with two peaks of unequal pulses: the major in March-April (15.19-15.32%) and minor in July-August (11.10-13.16%), apparently occurring during rainy and early dry seasons, respectively. No recruitment was observed in October. The recruitment pattern observed was consistent with the general spawning pattern of the species (April - August) reported by earlier researchers. The probability of capture routine estimated the mean length-at-first-capture, Lc = 36.24 cm. The mean ratio of length-at-first-capture (Lc) to asymptotic (L∞) was 0.309 indicating the length at-first-capture was quite low for the population indicating higher fishing pressure on the stock, thereby endangering the health status of the resource.Keywords: Artisanal fishery, fishing season, logit transformation, resource sustainability, running average" @default.
- W2750874908 created "2017-09-15" @default.
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- W2750874908 date "2017-08-29" @default.
- W2750874908 modified "2023-09-27" @default.
- W2750874908 title "Recruitment pattern and length-at-first-capture of the silvercatfish <i>Chrysichthys nigrodigitatus</i> Lacépède (1803): claroteidae in Lower Cross River, Southeast Nigeria" @default.
- W2750874908 doi "https://doi.org/10.4314/tfb.v25i1.1" @default.
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