Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.

Movement of individuals influences individual reproductive success, fitness, genetic diversity and relationships among individuals within populations and gene exchange among populations. Competition between males or females for mating opportunities and/or local resources predicts a female bias in ta...

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Autores principales:	Gen Hua Yue, Jun Hong Xia, Feng Liu, Grace Lin
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fdbbd9a6f98646a5995f29ebfd9b2940
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spelling	oai:doaj.org-article:fdbbd9a6f98646a5995f29ebfd9b29402021-11-18T07:15:47ZEvidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.1932-620310.1371/journal.pone.0037976https://doaj.org/article/fdbbd9a6f98646a5995f29ebfd9b29402012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22701591/?tool=EBIhttps://doaj.org/toc/1932-6203Movement of individuals influences individual reproductive success, fitness, genetic diversity and relationships among individuals within populations and gene exchange among populations. Competition between males or females for mating opportunities and/or local resources predicts a female bias in taxa with monogamous mating systems and a male-biased dispersal in polygynous species. In birds and mammals, the patterns of dispersal between sexes are well explored, while dispersal patterns in protandrous hermaphroditic fish species have not been studied. We collected 549 adult individuals of Asian seabass (Lates calcarifer) from four locations in the South China Sea. To assess the difference in patterns of dispersal between sexes, we genotyped all individuals with 18 microsatellites. Significant genetic differentiation was detected among and within sampling locations. The parameters of population structure (F(ST)), relatedness (r) and the mean assignment index (mAIC), in combination with data on tagging-recapture, supplied strong evidences for female-biased dispersal in the Asian seabass. This result contradicts our initial hypothesis of no sex difference in dispersal. We suggest that inbreeding avoidance of females, female mate choice under the condition of low mate competition among males, and male resource competition create a female-biased dispersal. The bigger body size of females may be a cause of the female-biased movement. Studies of dispersal using data from DNA markers and tagging-recapture in hermaphroditic fish species could enhance our understanding of patterns of dispersal in fish.Gen Hua YueJun Hong XiaFeng LiuGrace LinPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 6, p e37976 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gen Hua Yue Jun Hong Xia Feng Liu Grace Lin Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.
description	Movement of individuals influences individual reproductive success, fitness, genetic diversity and relationships among individuals within populations and gene exchange among populations. Competition between males or females for mating opportunities and/or local resources predicts a female bias in taxa with monogamous mating systems and a male-biased dispersal in polygynous species. In birds and mammals, the patterns of dispersal between sexes are well explored, while dispersal patterns in protandrous hermaphroditic fish species have not been studied. We collected 549 adult individuals of Asian seabass (Lates calcarifer) from four locations in the South China Sea. To assess the difference in patterns of dispersal between sexes, we genotyped all individuals with 18 microsatellites. Significant genetic differentiation was detected among and within sampling locations. The parameters of population structure (F(ST)), relatedness (r) and the mean assignment index (mAIC), in combination with data on tagging-recapture, supplied strong evidences for female-biased dispersal in the Asian seabass. This result contradicts our initial hypothesis of no sex difference in dispersal. We suggest that inbreeding avoidance of females, female mate choice under the condition of low mate competition among males, and male resource competition create a female-biased dispersal. The bigger body size of females may be a cause of the female-biased movement. Studies of dispersal using data from DNA markers and tagging-recapture in hermaphroditic fish species could enhance our understanding of patterns of dispersal in fish.
format	article
author	Gen Hua Yue Jun Hong Xia Feng Liu Grace Lin
author_facet	Gen Hua Yue Jun Hong Xia Feng Liu Grace Lin
author_sort	Gen Hua Yue
title	Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.
title_short	Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.
title_full	Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.
title_fullStr	Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.
title_full_unstemmed	Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.
title_sort	evidence for female-biased dispersal in the protandrous hermaphroditic asian seabass, lates calcarifer.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/fdbbd9a6f98646a5995f29ebfd9b2940
work_keys_str_mv	AT genhuayue evidenceforfemalebiaseddispersalintheprotandroushermaphroditicasianseabasslatescalcarifer AT junhongxia evidenceforfemalebiaseddispersalintheprotandroushermaphroditicasianseabasslatescalcarifer AT fengliu evidenceforfemalebiaseddispersalintheprotandroushermaphroditicasianseabasslatescalcarifer AT gracelin evidenceforfemalebiaseddispersalintheprotandroushermaphroditicasianseabasslatescalcarifer
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Evidence for female-biased dispersal in the protandrous hermaphroditic Asian Seabass, Lates calcarifer.

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