Release Strategies for Estuarine Species with Complex Migratory Life Cycles: Stock Enhancement of Chesapeake Blue Crabs (<i>Callinectes sapidus</i>)

Hines, Anson H.; Johnson, Eric; Young, Alicia C.; Aguilar, Robert; Kramer, Margaret A.; Goodison, Michael R.; Zmora, Oded; Zohar, Yonathan

doi:10.1080/10641260701678090

Cited by 46 publications

(27 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…According to Barreto et al (2006), females of C. danae with developed gonads are usually found in deeper waters. Barreto et al (2006) also suggested that this may be associated with the higher salinity of areas farther offshore, suitable for the development of eggs during incubation (see Hines et al, 2008). Similarly, the greater abundance of individuals with developing gonads (ED) in areas closer to the coast can be explained by the proximity to estuaries, ideal areas for the development of young (Sforza et al, 2010), since they provide more food and refuge (Burone et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

Reproductive features of the swimming crab Callinectes danae(Crustacea, Portunoidea) on the subtropical coast of Brazil: a sampling outside the estuary

et al. 2015

View full text Add to dashboard Cite

The life cycle of the crab Callinectes danae is estuarine-dependent, and studies on aspects of their biology should also cover marine areas. The present study investigated the sexual maturity, as well as habitat preference by adults in different gonadal stages, and the crabs' reproductive periodicity outside the estuary. Three bays on the subtropical southeastern coast of Brazil were sampled monthly for two years. For each bay, six transects were established, four of them parallel to the beach line (5, 10, 15 and 20 m depth), as well as one transect in an exposed area, and another sheltered from the action of waves. The results showed that the pattern of spatio-temporal distribution of adults C. danae was similar in three bays, although the highest abundance was found in Ubatumirim. Females with developed gonads/ovigerous females were found in greater abundance than females with rudimentary/developing gonads, mainly in deeper transects. Although the areas sampled have different environmental characteristics, the reproductive pattern of the species did not change, showing continuous reproduction throughout, with more abundance of reproductive females on spring and summer. Males reached maturity at larger sizes than females in all three bays.Keywords: blue crab, change in habitat use, reproductive activity, sexual maturity.Características reprodutivas do siri Callinectes danae (Crustacea, Portunoidea) na região subtropical da costa do Brasil: uma amostragem fora do estuário ResumoO siri Callinectes danae é estuarino dependente em seu ciclo de vida, sendo que os estudos que levantam informações sobre os aspectos da sua biologia devem também abranger regiões marinhas. Assim, o presente estudo teve como objetivo investigar a maturidade sexual, bem como a preferência ocupacional por adultos em diferentes estágios gonadais e sua periodicidade reprodutiva fora da região estuarina. Para tanto, três enseadas da porção subtropical do litoral sudeste brasileiro foram amostradas mensalmente, durante dois anos. Para cada enseada, seis transectos foram estabelecidos, quatro deles paralelos à linha de praia (5, 10, 15 e 20m de profundidade), um transecto exposto e outro abrigado à ação de ondas. Os resultados mostraram que o padrão de distribuição espaço-temporal de adultos de C. danae foi similar nas três enseadas, embora uma maior abundância tenha sido encontrada em Ubatumirim. Fêmeas ovígeras e com gônadas desenvolvidas foram encontradas em maior abundância que fêmeas com gônadas rudimentares e em desenvolvimento, principalmente nos transectos mais profundos. Apesar das regiões amostradas possuírem características ambientais diferenciadas, o padrão reprodutivo da espécie não sofreu alterações, apresentando reprodução contínua, com maior abundância de fêmeas reprodutivas na primavera e verão. Machos atingiram maturidade em tamanhos maiores que as fêmeas nas três enseadas.Palavras-chave: siri azul, alterações na ocupação do hábitat, atividade reprodutiva, maturidade sexual.

show abstract

Section: Discussionmentioning

confidence: 99%

Reproductive features of the swimming crab Callinectes danae(Crustacea, Portunoidea) on the subtropical coast of Brazil: a sampling outside the estuary

et al. 2015

View full text Add to dashboard Cite

show abstract

“…Furthermore, as research suggests that hatchery-reared individuals are generally more susceptible to predation than wild conspecifics (e.g. Brown and Laland, 2001;Stunz and Minello, 2001;Young et al, 2008), exposing M. dalli to predators in the hatchery might increase their predator avoidance abilities, as has been shown in other species (e.g. Brown and Smith, 1998;Fu, 2015;Mirza and Chivers, 2000).…”

Section: Predation On Postlarval Metapenaeus Dallimentioning

confidence: 98%

“…Predation is widely understood as a major contributing factor affecting the short-term postrelease survival of hatchery-reared juveniles (Stein et al, 1981;Støttrup et al, 2008), and can contribute >95 % of total mortality (Hines et al, 2008). Predation is also considered a major cause of natural mortality in postlarval penaeids (Minello and Zimmerman, 1983;Zimmerman et al, 1984).…”

Section: Introductionmentioning

confidence: 99%

Estimating predation rates of restocked individuals: The influence of timing-of-release on metapenaeid survival

et al. 2018

View full text Add to dashboard Cite

The success of aquaculture-based enhancement programs is greatly influenced by the survival of released individuals. Immediate post-release mortality through predation is one of the greatest obstacles to the success of releases, and the choice of a release site or time-of-release can be critical in maximising survival. This paper develops a novel quantitative method of estimating predation rate to inform release programs, and describes its use in determining whether hatchery-reared Western School Prawns Metapenaeus dalli should be released into the Swan-Canning Estuary in temperate south-western Australia during the night or day. and Atherinomorus vaigiensis (Atherinidae), were responsible for ~99 % of the predation, and that the total number of postlarval prawns consumed was 288 % higher at night than in the day. These findings suggest that releasing M. dalli during the day will greatly reduce predation and consequently allow a greater survival rate at this release site. The simple methodology developed here could be readily employed to inform release strategies for other species.

show abstract

“…of release, whereas cohorts released in fall overwintered in release coves and grew to maturity the next year ( Figure 6). Thus, females from spring releases mate and mig rate to spawning areas in the lower bay within their first year (Hines et aI., 2008;Zohar et al, 2008). This is of particular importance because mature females are vulnerable to low water temperatures during winter in the upper Chesapeake Bay and can suffer substantial mortality during harsh winters (Rome et aI., 2005).…”

Section: Field Re Leasesmentioning

confidence: 99%

“…Thus, survival rates of wild juveniles appear to be repand shows that hatchery-reared crabs can substantially augment resentative of hatchery-reared crabs. Tethering is an effective natural populations at small scales (Davis et aI., 2005b; Hines means to measure relative survival rates of mobile fauna, and et aI., Zohar et al, 2008). A key next step is to evaluate the technique has been successfully employed to assess survival the effects of differing release strategies on stock enhancement of blue crabs in previous experiments (Hines and Ruiz, 1995; success for this species.…”

Section: Introductionmentioning

confidence: 99%

Importance of Season and Size of Release to Stocking Success for the Blue Crab in Chesapeake Bay

Johnson

Hines

Kramer

et al. 2008

Reviews in Fisheries Science

Self Cite

View full text Add to dashboard Cite

Release Strategies for Estuarine Species with Complex Migratory Life Cycles: Stock Enhancement of Chesapeake Blue Crabs (Callinectes sapidus)

Cited by 46 publications

References 25 publications

Reproductive features of the swimming crab Callinectes danae(Crustacea, Portunoidea) on the subtropical coast of Brazil: a sampling outside the estuary

Reproductive features of the swimming crab Callinectes danae(Crustacea, Portunoidea) on the subtropical coast of Brazil: a sampling outside the estuary

Estimating predation rates of restocked individuals: The influence of timing-of-release on metapenaeid survival

Importance of Season and Size of Release to Stocking Success for the Blue Crab in Chesapeake Bay

Contact Info

Product

Resources

About