2014
DOI: 10.1590/1519-6984.01913
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Population biology and color patterns of the blue land crab, Cardisoma guanhumi (Latreille 1828) (Crustacea: Gecarcinidae) in the Northeastern Brazil

Abstract: The objective of this study was to analyze the population biology and color patterns of Cardisoma guanhumi Latreille, 1828 in a mangrove area in Natal, Rio Grande do Norte, Brazil. Crabs were collected monthly between February 2010 and January 2012 and totaled 1,837 individuals. Sex ratios were similar between males and females in the first year and differed in the second. Sex ratios by size class differed statistically in the extremes of the distribution, with an abundance of males in the large size classes. … Show more

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Cited by 20 publications
(18 citation statements)
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“…This was also observed by Bozada and Páez [56], Silva and Oshiro [57], Shinozaki-Mendes et al [25], Silva et al [58] and Gil [59]. Males of this species tend to be larger than females [34,50,56,59,60].…”
Section: Size Classessupporting
confidence: 73%
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“…This was also observed by Bozada and Páez [56], Silva and Oshiro [57], Shinozaki-Mendes et al [25], Silva et al [58] and Gil [59]. Males of this species tend to be larger than females [34,50,56,59,60].…”
Section: Size Classessupporting
confidence: 73%
“…[25] in the estuary of the Jaguaribe river, Ceará State (92.2 mm) and by Silva et al [58] in the Potengi estuary (94.0 mm). Overfishing has probably affected stocks of C. guanhumi in Itamaracá Island, decreasing the size of crabs on this nearshore costal island.…”
Section: Size Classesmentioning
confidence: 87%
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“…Representação esquemática da morfometria da carapaça de indivíduos de Cardisoma guanhumi Latreille, 1825: Largura da Carapaça (LC) e Comprimento da Carapaça (CC). Fonte: Adaptado deSilva et al (2014).…”
unclassified
“…Embora os valores de b sejam semelhantes entre si, foram significativamente diferentes entre os sexos (ANCOVA, p = 0.0106), assim como os valores de "a" (ANCOVA, p < 0.0001) (Fig.7). (Bozada e Chavez, 1986); Pernambuco, Brasil (Botelho et al, 2001); Rio de Janeiro, Brasil (Silva e Oshiro, 2002);Ceará, Brasil (Shinozaki-Mendes et al, 2008;2011;Gil, 2009), Rio Grande do Norte, Brasil (Silva et al, 2014). Diferente de Sato et al (2013), que encontrou uma proporção de 3:1 para machos de Birgus latro.…”
unclassified