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Population dynamics of Philocheras trispinosus(Crangonidae)with abundance of other caridean shrimps(Crustacea:Decapoda)caught by beam trawl in the Southern Black Sea,Turkey

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Journal of Coastal Life Medicine 2016年第5期4卷 358-363页

作者： Sabri Bilgin Necla Yılmaz Sinop University Faculty of Fisheries TR57100SinopTurkey Recep Tayyip Erdoğan University Faculty of Fisheries TR53100RizeTurkey

Objective:To determine growth and reproduction biology of Philocheras trispinosus(***)with abundance of other caridean shrimps caught by beam trawl in the Southern Black ***:Samplings were carried out monthly with a beam trawl of 2 m length and 15 mm cod-end mesh size between December 2012 and November *** individuals were sampled between 1 and 40+m water depth from 146 ***:A total of 550 ***,618 Palaemon adspersus,12 Palaemon serratus,11 Philocheras fasciatus and 10 Crangon crangon were sampled during the study *** crangonid shrimps started appearing during the winter and spring and the number of individuals increased to reach their highest value in mid-winter and *** seasonal von Bertalanffy growth parameters for *** were estimated as L_(∞)=29.3 mm total length,K=0.860/year,t_(0)=–0.900 year,C=0.180,and t_(s)=*** start of the slow growth period was at the beginning of July(WP=0.510).Ovigerous females appeared in the sampling area between January and *** at sexual maturity was estimated as 25.69 mm total ***:The results supported the distribution and abundance of caridean shrimp species from the study area and the population dynamics of the most abundant shrimp species,*** current study can be answered as baseline data prior to management strategies to ensure sustainable conservation of the shrimp species.

关键词： Caridean shrimps Abundance Growth length frequency distribution analysis Black Sea

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