Rhythms in larval release of the sublittoral crab Neopanope sayi and the supralittoral crab Sesarma cinereum (Decapoda: Brachyura)

Vries, M. C. De; Forward, Richard B.

doi:10.1007/bf00391964

Cited by 46 publications

(36 citation statements)

References 22 publications

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“…See Table * 1 for sample sizes. Table 3 Timing of larval release relative to tidal amplitude, lunar, tidal and light-dark cycles by the same species or closely related species of crabs in a semidiurnal tidal regime along the Atlantic coast and in mixed semidiumal and diurnal tidal regimes along the northeastern Gulf coast of the USA Species by Hovel (1995), but see Salmon et al (1986) and De Vries and Forward ( 1989). Table I for numbers of collecting trips, numbers of crabs collected, numbers of days that crabs were observed and months that crabs were observed.…”

Section: Resultsmentioning

confidence: 99%

Influence of tidal variation on reproductive timing

Morgan

1996

Journal of Experimental Marine Biology and Ecology

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Tidal variation may cause the timing of activities by coastal organisms to vary geographically. This was demonstrated by determining the timing of larval release by the same or closely related species in diurnal and mixed semidiumal tidal regimes along the northeastern Gulf of Mexico and by contrasting hatching patterns with those previously documented in a semidiurnal tidal regime along the Atlantic coast of the USA. Five species of crabs primarily released larvae during nocturnal maximum amplitude high tides near new and full moons along the Atlantic coast. In contrast, larval release by the same or closely related species on the Gulf coast peaked either when maximum amplitude high tides occurred during the daytime or several days away when submaximal amplitude high tides occurred near dawn. This variation in reproductive timing arose because maximum high tides do not occur at night along the Gulf coast during most of the reproductive season. Reproductive timing also differed for two species pairs along the Gulf coast due to changes in the phasing of the tides and light-dark cycle. Species-specific hierarchies of rhythms regulating reproductive timing were revealed by the degree to which larval release kept phase with lunar, tidal amplitude and light-dark cycles. These hierarchies enabled crabs to track phase shifts of cycles in variable tidal environments and may enhance reproductive success across tidal regimes.

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Section: Resultsmentioning

confidence: 99%

Influence of tidal variation on reproductive timing

Morgan

1996

Journal of Experimental Marine Biology and Ecology

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“…The 24-h LD cycle thus drives the phase of the circatidal rhythm, but this study could not determine whether the lights-on or lights-off in the 24-h LD cycle actually sets the phase of the tidal rhythm. The larval release activity of several estuarine and intertidal crabs has been monitored in the laboratory away from any influence of the tidal cycle (e.g., Bergin 1981;Forward et al 1982;De Vries & Forward 1989. In these studies, larval release was correlated with the high tides at the natural habitat.…”

Section: Habitatmentioning

confidence: 99%

The circatidal clock of an estuarine semi-terrestrial crab, Sesarma erythrodactylum

Saigusa

1997

BENTHOS RESEARCH

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“…Rhythmicity of larval release not only has a direct influence on larval mortality: it ultimately affects recruitment of the larvae to the parental populations. Although the literature on hatching rhythms of decapods has grown considerably during the last decade or so, the records concentrate, with few exceptions, on species from North and Central America and from Japan (see Christy 1982, De Coursey 1983and Forward 1987 for reviews, but also De Vries & Forward 1989). The mechanisms of recruitment of these larvae to the parental populations have also been intensively investigated on North and Central American species (Epifanio et al 1984, Clancy & Epifanio 1989, Dittel & Epifanio 1990, Johnson & Hess 1990, Dittel et al 1991, Hill 1991, Little & Epifanio 1991, to cite but a few of the more recent).…”

Section: Introductionmentioning

confidence: 99%

Larval abundance patterns of Carcinus maenas (Decapoda, Brachyura) in Canal de Mira (Ria de Aveiro, Portugal)

Queiroga¹,

Costlow²,

Moreira³

1994

Mar. Ecol. Prog. Ser.

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Larval stages of Carcinus maenas (L.) were intensively sampled in the Canal de Mira ( h a de Aveiro, Portugal) during 2 lunar months: February 12 to March l 1 and May 9 to June 7, 1990. Each sampling period included fifteen 25 h fixed-station sampling cycles beginning at intervals of 4 tide cycles. Within each 25 h sampling cycle, plankton samples were collected hourly at several depths using a pump. Analysis of the data from these sampLing periods indicated tidal and die1 cycles of abundance of first stage C. maenas larvae. A semilunar component was also identified. These patterns were expressed as peaks of abundance during ebb tides, with highest peaks during nocturnal neap ebb tides around the first and last quarters of the moon. Peaks of nocturnal abundance could occur at any time during the night but consistently followed high water. In contrast, megalopae were present in the samples primarily during nocturnal flood tides. Intermediate zoeal stages of C. maenas were not collected. As indicated by an analysis of variance, the main effects of phases of the tide and day on the abundance of first zoeae and megalopae were significant (p < 0.05). These results provide evidence that a component with sermlunar periodicity is associated with the release of C. maenas larvae. That the release activity occurs well after sunset is also an additional interesting feature of these observations, inasmuch as larval release in decapods is usually concentrated within the first few hours after dusk. These observations support earlier observations that it is the time during the day-night cycle of high tide, as opposed to tidal amplitude, which is the important factor promoting synchrony with the lunar cycle.

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Rhythms in larval release of the sublittoral crab Neopanope sayi and the supralittoral crab Sesarma cinereum (Decapoda: Brachyura)

Cited by 46 publications

References 22 publications

Influence of tidal variation on reproductive timing

Influence of tidal variation on reproductive timing

The circatidal clock of an estuarine semi-terrestrial crab, Sesarma erythrodactylum

Larval abundance patterns of Carcinus maenas (Decapoda, Brachyura) in Canal de Mira (Ria de Aveiro, Portugal)

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