Recruitment, growth, mortality and population structure in a southern Australian population of Haliotis rubra (Mollusca: Gastropoda)

Prince, J.D.; Sellers, T.L.; Ford, W.B.; Talbot, S.R.

doi:10.1007/bf00392957

Cited by 45 publications

(27 citation statements)

References 31 publications

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“…Similar trade-offs between growth and reproduction have also been demonstrated in other marine invertebrates (e.g. Crisp & Patel 1961, Robinson & Doyle 1985, Prince et al 1989). …”

Section: Discussionsupporting

confidence: 76%

Effect of the 1995-1996 bleaching event on polyp tissue depth, growth, reproduction and skeletal band formation in Montastraea annularis

Mendes

Woodley²

2002

Mar. Ecol. Prog. Ser.

101

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Polyp tissue depth, skeletal extension rate, reproduction and density band formation were studied in 15 colonies of Montastraea annularis from October 1994 to September 1997 as part of a long-term field study. With the commencement of a bleaching event in September 1995, the effects of bleaching on these biological parameters were examined. Bleaching affected all the parameters investigated, but the speed of recovery of each parameter to pre-bleaching values differed. Tissue depth recovered the fastest, within 4 to 8 wk of regaining normal pigmentation. Once pigmentation and tissue depth had recovered, skeletal growth resumed at its pre-bleaching rate. Reproduction took the longest to recover and reproductive failure occurred in severely bleached colonies 1 yr after bleaching. Even after 2 yr, reproductive output remained reduced in previously bleached colonies when compared with previously unbleached ones, although all colonies had successfully completed gametogenesis and spawning. Among the reproductive parameters measured, gonad size recovered faster than the number of gonads per polyp (i.e. polyps produced a smaller number of full-sized gonads 2 yr after bleaching). In all colonies, bleached and unbleached, the 1995 annual high-density (HD) band, which formed at the time of the bleaching event, appeared more prominent and in some cases wider than the HD bands for the years that preceded and succeeded bleaching. Bleaching reduced skeletal extension rate, and the HD band that formed at the time of the bleaching event was most pronounced in colonies in which skeletal extension rate was reduced for the longest period of time (i.e. severely bleached colonies). In 1996, the year following the bleaching event, colonies that did not complete gametogenesis (i.e. severely bleached colonies) produced no distinct HD band, while those that completed gametogenesis (i.e. mildly bleached colonies) produced a distinct HD band. These findings suggest that an inverse relationship between skeletal extension rate and HD band prominence may occur in Montastraea annularis, and that the failure of severely bleached colonies to produce a HD band in 1996 might be related, not to bleaching, but rather to the lack of gonad development and spawning in these colonies. KEY WORDS: Montastraea annularis · Coral bleaching · Skeletal density banding · Skeletal extension rate · Reproduction · Polyp tissue depth Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 235: [93][94][95][96][97][98][99][100][101][102] 2002 by the bacterium Vibrio shiloi at elevated sea temperatures (Kushmaro et al. 1996). The large-scale, mass bleaching events, which have occurred around the world in the last 20 yr (i.e. in 1979-1980, 1982-1983, 1986-1987, 1991, 1995-1996 and 1997-1998), have been linked to increases in seawater temperature resulting from increased El Niño-Southern Oscillation activity and global warming (e.g. Williams & BunkleyWilliams 1990, Glynn 1993, Brown 1997, Huppert & Stone 1998.Few stu...

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“…Similar trade-offs between growth and reproduction have also been demonstrated in other marine invertebrates (e.g. Crisp & Patel 1961, Robinson & Doyle 1985, Prince et al 1989). …”

Section: Discussionsupporting

confidence: 76%

Effect of the 1995-1996 bleaching event on polyp tissue depth, growth, reproduction and skeletal band formation in Montastraea annularis

Mendes

Woodley²

2002

Mar. Ecol. Prog. Ser.

101

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“…Castilla & Fernández 1998, Leiva & Castilla 2002, Rodríguez et al 2002. Se ha señalado que la ausencia de estructuras de tallas mayores, en un ambiente intermareal no explotado, estaría asociada con la preferencia de los adultos por habitar los ambientes sublitorales (Prince et al 1988, Gluyas-Millán et al 2000. En este sentido, se ha mencionado que T. geversianus tiene una distribución espacial diferencial en sus poblaciones, la cual estaría caracterizada por la utilización de un determinado tipo de hábitat por los individuos pequeños, distinto de aquel que utilizan los individuos más grandes (Guzmán et al 1997 6 ).…”

Section: Discussionunclassified

Estimación De Producción Secundaria Y Productividad Para Una Población Intermareal De Trophon Geversianus (Bahía Laredo, Estrecho De Magallanes)

Andrade

Montiel

Quiroga

2009

Anales Instituto Patagonia (Chile)

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RESUMENEl gastrópodo carnívoro Trophon geversianus (Pallas, 1774) es una de las especies bentónicas explotadas comercialmente en la región de Magallanes, de la cual no existe información relacionada a su productividad biológica. En este trabajo, se estimó la producción secundaria y productividad de una población intermareal de T. geversianus a través del modelo de redes neurales. Los muestreos se realizaron estacionalmente en Bahía Laredo, estrecho de Magallanes entre los meses de agosto 2007 y abril 2008. La longitud de los ejemplares de T. geversianus fluctuó de 12,4 a 55,4 mm (28,4 ± 7,4). La población presentó una distribución unimodal. Las densidades medias estacionales oscilaron entre 0,23 ind m -2 y 0,97 ind m -2 , mientras que la biomasa media varió entre 0,041 g PSLC m -2 y 0,194 g PSLC m -2 . La producción secundaria anual promedio estimada para T. geversianus varío entre 0,03 y 0,16 g PSLC m -2 año -1 y la productividad estimada fue de 0,7 año -1 . En la razón P/B se observó una correlación significativa con el peso corporal de T. geversianus. La productividad estimada para T. geversianus es consistente con los valores reportados en la literatura para otras especies de moluscos marinos de las áreas Antártica, Subantártica y Chilenas.Palabras clave: Gastropoda, Muricidae, razón P/B.

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“…Studies of other species of abalone offer contrasting results for age at first maturity. Estimates for H. rubra suggest that the onset of maturity depends on age (Shepherd & Laws 1974;McShane et al 1986;Prince et al 1988;Nash et al 1994). The results of our present study, indicating that the age at onset of maturity may vary with growth rate, are consistent with studies offish populations (Stearns & Crandall 1984) but contrast to the findings of Shepherd & Laws (1974), Prince et al (1988), and Shepherd et al (1991)-i.e., the age at onset of maturity is fixed.…”

Section: Discussionmentioning

confidence: 99%

Small‐scale spatial variation in growth, size at maturity, and yield‐ and egg‐per‐recruit relations in the New Zealand abaloneHaliotis iris

McShane

Naylor

1995

New Zealand Journal of Marine and Freshwater Research

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Tag-recapture studies revealed differences in the growth rate of Haliotis iris between headlands and bays separated by as little as 200 m. Individuals off headlands had a significantly higher incremental growth and reached a higher maximum size than those in bays. These results were consistent with observations of the size composition of H. iris which showed that few individuals of harvestable size (> 125 mm shell length) were found in bays. Differences in the growth rate of H. iris may account for the apparent differences in the size at onset of maturity: individuals off headlands, and from a fast-growing population off Wellington, reached reproductive maturity at a smaller size compared with those in bays. Yield-per-recruit modelling showed greater yields from headlands than bays, but egg-per-recruit modelling revealed more egg production was conserved in bays than off headlands. Yields could be increased from bays by decreasing the minimum size to 110 mm. Egg-and yield-per-recruit models were sensitive to the natural mortality rate (M = 0.03, 0.05 and 0.10 compared). The results show that parameters important in the management of commercial fisheries for abalone can vary over small distances: such variation should be incorporated in management strategies for abalone fisheries. M9S027

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Recruitment, growth, mortality and population structure in a southern Australian population of Haliotis rubra (Mollusca: Gastropoda)

Cited by 45 publications

References 31 publications

Effect of the 1995-1996 bleaching event on polyp tissue depth, growth, reproduction and skeletal band formation in Montastraea annularis

Effect of the 1995-1996 bleaching event on polyp tissue depth, growth, reproduction and skeletal band formation in Montastraea annularis

Estimación De Producción Secundaria Y Productividad Para Una Población Intermareal De Trophon Geversianus (Bahía Laredo, Estrecho De Magallanes)

Small‐scale spatial variation in growth, size at maturity, and yield‐ and egg‐per‐recruit relations in the New Zealand abaloneHaliotis iris

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