Population dynamics and secondary production of the wedge clam Donax hanleyanus (Bivalvia: Donacidae) on a high-energy, subtropical beach of Brazil

Cardoso, Ricardo S.; Veloso, Valéria Gomes

doi:10.1007/s00227-002-0926-2

Cited by 72 publications

(51 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Moreover, surf clams are characterized by a ''supreme ability as rapid burrowers" (Wilson, 1999), which perform seasonal as well as daily migrations up and down the beach with the tides. Donax species from tropical beaches are shorter lived and display higher spontaneous mortality rates under experimental conditions than temperate Donax species (Cardoso and Veloso, 2003).…”

Section: Surf Clams and Bay Scallops: Models For Short Lifespan And Smentioning

confidence: 94%

“…Another possibility is to detect onset of senescent mass mortality as cohorts of known age approach death (Bricelj and Krause, 1992). As in longer lived bivalves, lifespan in short lived species can differ between geographical and climatic zones (Bricelj et al, 1987;;Cardoso and Veloso;2003). Powell and Cummins (1985) listed MLSPs of 53 bivalves and 48 gastropod snails.…”

Section: Surf Clams and Bay Scallops: Models For Short Lifespan And Smentioning

confidence: 99%

“…They are characterized by high growth rates, high production to biomass ratios (P/B: 6-7:1, see Wilson, 1999), short lifespans of 1-2 y (Cardoso and Veloso, 2003) and semelparous reproduction. Moreover, surf clams are characterized by a ''supreme ability as rapid burrowers" (Wilson, 1999), which perform seasonal as well as daily migrations up and down the beach with the tides.…”

Section: Surf Clams and Bay Scallops: Models For Short Lifespan And Smentioning

confidence: 99%

See 2 more Smart Citations

Bivalve models of aging and the determination of molluscan lifespans

Abele

Brey

Philipp

2009

Experimental Gerontology

133

View full text Add to dashboard Cite

a b s t r a c tBivalves are newly discovered models of natural aging. This invertebrate group includes species with the longest metazoan lifespan approaching 400 y, as well as species of swimming and sessile lifestyles that live just for 1 y. Bivalves from natural populations can be aged by shell growth bands formed at regular intervals of time. This enables the study of abiotic and biotic environment factors (temperature, salinity, predator and physical disturbance) on senescence and fitness in natural populations, and distinguishes the impact of extrinsic effectors from intrinsic (genetic) determinants of animal aging. Extreme longevity of some bivalve models may help to analyze general metabolic strategies thought to be life prolonging, like the transient depression of metabolism, which forms part of natural behaviour in these species. Thus, seasonal food shortage experienced by benthic filter feeding bivalves in polar and temperate seas may mimic caloric restriction in vertebrates. Incidence of malignant neoplasms in bivalves needs to be investigated, to determine the implication of late acting mutations for bivalve longevity. Finally, bivalves are applicable models for testing the implication of heterozygosity of multiple genes for physiological tolerance, adaptability (heterozygote superiority), and life expectancy.Ó 2009 Elsevier Inc. All rights reserved. Bivalves: a diverse set of models for aging studies and environmental recordersCommonly used animal models for cellular and molecular mechanisms underlying the process of aging, such as Drosophila melanogaster, Caenorhabditis elegans or small rodents, are bred and reared under controlled laboratory conditions. Most of these aging models are short lived (days in C. elegans, weeks in D. melanogaster, <5 y in rodents) and, hence, may not show all the age-dependent changes of long-lived species (Reznik, 1993;Kirkwood, 2002). Especially, short lived models are not representative of the negligible aging type (Finch, 1990;Terzibasi et al., 2007). Further, aging under controlled laboratory conditions may differ significantly from aging in the wild, and the applicability of the results to natural animal populations is often questionable. Good reasons to establish animal models that can be sampled from a range of environmental settings and scenarios, but at the same time provide information on their individual life history, including their chronological age (Austad, 1996).Such new models are found among bivalve molluscs. Worldwide, approximately 20,000 species (Pearse et al., 1987) of marine bivalves exist so that this class offers a rich diversity of lifestyles, adaptations to specific environmental conditions and corresponding strategies of aging, albeit based on the same filter feeder blueprint in the majority of species. Some bivalve species, like the long-lived ocean quahog, Arctica islandica or the blue mussel Mytilus edulis exhibit broad geographical distribution, with habitats spanning large latitudinal ranges and covering different climate zones. Other sp...

show abstract

Section: Surf Clams and Bay Scallops: Models For Short Lifespan And Smentioning

confidence: 94%

Section: Surf Clams and Bay Scallops: Models For Short Lifespan And Smentioning

confidence: 99%

Section: Surf Clams and Bay Scallops: Models For Short Lifespan And Smentioning

confidence: 99%

See 1 more Smart Citation

Bivalve models of aging and the determination of molluscan lifespans

Abele

Brey

Philipp

2009

Experimental Gerontology

133

View full text Add to dashboard Cite

show abstract

“…Segundo CARDOSO & VELOSO (2003), sua distribuição se estende de 17ºS (região tropical) até 37ºS (região temperada). A diversidade e a ampla distribuição do gênero Donax Linné, 1758 (MORRISON, 1971;ANSELL, 1983;SICARDI, 1993), as grandes flutuações na densidade populacional (COE, 1956;PENCHASZADEH & OLIVIER, 1975;DEFEO & ALAVA, 1995) e a importância ecológica desses animais (MCLACHLAN & HANEKON, 1979;MCLACHLAN et al, 1981;CARDOSO & VELOSO, 2003), associadas à sua importância econômica (MCLACHLAN et al, 1996), têm gerado uma série de investigações sobre a ecologia e a biologia desses moluscos.…”

Section: Introductionunclassified

Descrição do ciclo reprodutivo de Donax hanleyanus (Bivalvia, Donacidae) no sul do Brasil

Gil

Thomé

2004

Iheringia, Sér. Zool.

View full text Add to dashboard Cite

ABSTRACT. Description of the reproductive cycle of Donax hanleyanus (Bivalvia, Donacidae) in southern Brazil. The changes in gonadal development in male and female of Donax hanleyanus Philippi, 1847 are described. Gonad development and spawning seasons were assessed by monthly sampling of population from Arroio Teixeira beach, southern Brazil. Histological examination of clams showed in the most of the adult population sampled that the spawning is practically continuous, without any period of sexual rest. There are two main periods of gametogenesis, in winter and in summer, being the degree of maturation longer in the latter. The water temperature is stimulant on gametes proliferation and spawning.

show abstract

“…Esta espécie tem sido objeto de pesquisas na Argentina, no Uruguai e no Brasil -os três países onde ocorre -e abordam, principalmente, aspectos anatômicos e ecológicos (PENCHASZADEH & OLIVIER 1975, NARCHI 1978, DEFEO & ALAVA 1995, GIL & THOMÉ 2000, 2001a, CARDOSO & VELOSO 2003.…”

unclassified

Proporção sexual e comprimento de concha na primeira maturação sexual em Donax hanleyanus Philippi (Bivalvia, Donacidae) no Rio Grande do Sul, Brasil

Gil

Thomé

2004

Rev. Bras. Zool.

View full text Add to dashboard Cite

Foi avaliada a proporção sexual e determinado o tamanho da concha, quando da primeira maturação sexual de uma população de Donax hanleyanus Philippi, 1847, amostrada durante 15 meses, entre outubro de 2001 e dezembro de 2002, na praia de Arroio Teixeira, sul do Brasil. Aproximadamente, 3000 espécimes foram coletados na zona de varrido, com comprimento de concha igual ou superior a 2,0 mm. A análise histológica foi realizada em 347 espécimes, entre 7,0 e 28,33 mm de comprimento de concha. A proporção sexual é de 1:1. Os diferentes métodos utilizados, para determinação do tamanho da primeira maturação sexual, resultaram em comprimentos aproximados, podendo-se concluir que Donax hanleyanus atinge a maturidade em um comprimento médio de concha entre 12,28 e 12,60 mm. Sugere-se que o comprimento mínimo de captura seja estabelecido em 15,0 mm.

show abstract

Population dynamics and secondary production of the wedge clam Donax hanleyanus (Bivalvia: Donacidae) on a high-energy, subtropical beach of Brazil

Cited by 72 publications

References 42 publications

Bivalve models of aging and the determination of molluscan lifespans

Bivalve models of aging and the determination of molluscan lifespans

Descrição do ciclo reprodutivo de Donax hanleyanus (Bivalvia, Donacidae) no sul do Brasil

Proporção sexual e comprimento de concha na primeira maturação sexual em Donax hanleyanus Philippi (Bivalvia, Donacidae) no Rio Grande do Sul, Brasil

Contact Info

Product

Resources

About