Detection of periodic Sr Ca−1 cycles along gastropod statoliths allows the accurate estimation of age

Galante-Oliveira, Susana; Marçal, Raquel; Espadilha, Fernando; Sá, M. Zanella de; Abell, Richard; Machado, Jorge; Barroso, Carlos M.

doi:10.1007/s00227-015-2684-y

Cited by 12 publications

(7 citation statements)

References 37 publications

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“…Gastropod statoliths can contain rings that are deposited annually (e.g. Nassarius reticulatus, Barroso et al 2005;Neptunea antiqua, Richardson et al 2005b;Polinices pulchellus, Richardson et al 2005a) and are an archive of biota life history, containing information about age and seasonal temperature cycles (Richardson et al 2005a, Galante-Oliveira et al 2015 and their transition from a planktonic pelagic larval lifestyle to a benthic existence (Barroso et al 2005, Richardson et al 2005a, Chatzinikolaou & Richardson 2007. Once the rings in the statolith have been deciphered, information about a gastropod's life history can be extracted to understand its ontogenic growth.…”

Section: Abstract: Buccinum Undatum • Statoliths • Age Determinationmentioning

confidence: 99%

Statoliths of the whelk Buccinum undatum: a novel age determination tool

Hollyman¹,

Leng

Chenery

et al. 2018

Mar. Ecol. Prog. Ser.

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Sustainability within the fisheries of the commercially important European whelk Buccinum undatum has become a major concern because of over-exploitation and increased landings in many European coastal shelf seas due to the expansion of export markets to East Asian countries. Current management of B. undatum populations is difficult to achieve as several life history traits are problematic to accurately monitor. The current method of age determination for stock assessment has a low success rate and focuses on the use of putative annual rings on the surface of the organic operculum. Here, we validate an annual periodicity of growth ring formation in B. undatum statoliths that provides an alternative, reliable and accurate method for determining a whelk's age. Laboratory-reared juvenile B. undatum of known provenance and age deposited a hatching ring at the time of emergence from their egg capsule and a clearly defined growth ring during February of their first and second years. Stable oxygen isotope profiles from the shells of 2 adult whelks confirmed annual growth ring deposition by demonstrating seasonal cycles of δ 18O in the shell that matched the relative position and number of visible growth rings in the statolith. Validation of annually resolved statolith growth rings will, for the first time, provide fisheries scientists with a tool to determine the age structure of B. undatum populations and allow analytical stock assessments that will enable informed decisions for future management practices of whelk fisheries.

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Section: Abstract: Buccinum Undatum • Statoliths • Age Determinationmentioning

confidence: 99%

Statoliths of the whelk Buccinum undatum: a novel age determination tool

Hollyman¹,

Leng

Chenery

et al. 2018

Mar. Ecol. Prog. Ser.

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“…However, these ratios are higher than those found in fish otoliths (~2 -2.5 mmol/mol, Campana, 1999; ~3 -4 mmol/mol, Sturrock et al, 2015) and aragonitic mollusc shells (~1.25 -3.5 mmol/mol, Palacios et al, 1994; ~1 -3 mmol/mol, Gillikin et al, 2005; ~1 -3 mmol/mol Sosdian et al, 2006). Galante-Oliveira et al (2015) reported periodic changes in the Sr/Ca ratio of statoliths from, the gastropod N. reticulatus with maximum concentrations coinciding with winter deposited statolith growth rings in 92% of cases (n = 20), suggesting an inverse relationship with seawater temperature. Similarly, Zacherl et al (2003) also reported an inverse correlation between Sr and seawater temperature in the larval statoliths of the marine gastropod Kelletia kelletii.…”

Section: Sims Analysismentioning

confidence: 63%

“…Recent work on the statoliths of the whelk, B. undatum, has highlighted a potential annual periodicity to prominent growth rings through a series of laboratory growth experiments and chemical analysis of the shells (Hollyman et al, 2017); no direct chemical analysis of statoliths from this species has been undertaken. Galante-Oliveira et al (2015) highlighted for the first time an annual periodicity to growth rings in the statoliths of the netted whelk, N. reticulatus, using Laser Ablation -Inductively Coupled Plasma -Mass Spectrometry (LA-ICP-MS) to identify annual cycles of strontium (Sr). Analysis of trace elements such as Sr and magnesium (Mg) in the statoliths of B. undatum could provide a robust method for establishing the number of seasonal cycles and the validation of the annual periodicity of growth ring deposition, as well as assessing their potential as environmental recorders.…”

Section: Introductionmentioning

confidence: 99%

“…The trace element profiles of statoliths from several discrete locations were then analysed and compared to investigate their potential as environmental and life history recorders. It was hypothesized that clearly delineated cycles of Sr and Mg would be uncovered between the visible 'annual' growth rings, following the work of Galante-Oliveira et al (2015).…”

Section: Introductionmentioning

confidence: 99%

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Micro-scale geochemical and crystallographic analysis of Buccinum undatum statoliths supports an annual periodicity of growth ring deposition

Hollyman

Chenery

Eimf³

et al. 2019

Chemical Geology

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The whelk Buccinum undatum is commercially important in the North Atlantic. However, monitoring the ontogenetic age and growth of populations has been problematic for fisheries scientists owing to the lack of a robust age determination method. We confirmed the annual periodicity of growth rings present in calcified statoliths located in the foot of field-collected and laboratory reared whelks using microscale measurements of trace element geochemistry. Using Secondary Ion Mass Spectrometry (SIMS), annual trace element profiles were quantified at 2 µm resolution in statoliths removed from whelks collected alive from three locations spanning the length of the UK; the Shetland Isles (North), the Menai Strait, North Wales (Mid) and Jersey (South). Clear cycles in the Mg/Ca ratio were apparent with minimum values corresponding with the visible dark statolith rings and comparatively higher ratios displayed in the first year of growth. Statoliths from one and two-year-old laboratory reared whelks of known age and life history contained one and two Mg/Ca cycles respectively and demonstrated that the statolith growth ring is formed during winter (February and 3 March). Cycles of Na/Ca were found to be anti-correlated to Mg/Ca cycles, whilst ratios of Sr/Ca were inconsistent and showed an apparent ontogenetic increase, suggesting strong physiological control. Variability in elemental data will likely limit the usefulness of these structures as environmental recorders. The results obtained using SIMS for trace element analysis of statoliths confirms the robustness of the statolith rings in estimating whelk age. µXRD at 2µm spatial resolution demonstrated the statoliths were wholly aragonitic and thus trace element variation was not the result of possible differences in CaCO3 polymorph within the statolith. Changing XRD patterns along with SEM imaging also reveal an 'hourglass' microstructure within each statolith. The validation of the annual periodicity of statolith growth rings now provides a robust and novel age determination technique that will lead to improved management of B. undatum stocks.

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“…Comparable to fish otoliths, a term by which they were primarily designated also in bivalves (see Stafford, 1913), mollusc statoliths are formed in early life (Stafford, 1913; Arkhipkin & Bizikov, 1997; Chatzinikolaou & Richardson, 2007), growing in periodic increments throughout the life span. They have been successfully used in the study of gastropod and cephalopod biological and ecological traits, such as age and growth (Arkhipkin, 2005; Chatzinikolaou & Richardson, 2007; Barroso et al, 2011; Galante-Oliveira et al, 2015). Considering that statolith characterization has applications in the study of growth and the estimation of age and longevity, among other individual and population parameters, it might be of great significance also in bivalves, a class in which information on statolith morphostructure, growth, and chemical composition is, to our best knowledge, unknown.…”

Section: Introductionmentioning

confidence: 99%

Morphology and Ontogeny of Statoliths in the Grooved Carpet Shell, Ruditapes decussatus

et al. 2018

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Statoliths are nonskeletal calcified structures included in most invertebrates' gravireceptors. They have been identified and characterized in several gastropod and cephalopod molluscs and have proved to be very useful for age estimation, growth studies, and connectivity analysis, among other applications. Beyond the scarce available records on their occurrence in Class Bivalvia, statoliths are yet to be documented in the grooved carpet shell, Ruditapes decussatus, a species of high ecological and commercial value. An easy method for the extraction and processing of R. decussatus statoliths is described herein. The statolith growth was followed from the initial shell length (SL) of 2.5-3.5 mm (seed commercial size T1.5) for a period of 6 months in a nursery facility located in the Ria de Aveiro (an estuarine system in NW Portugal). The relationship between statolith diameter (StD) and SL follows the function StD=14.305 SL0.254 (N=173; r=0.855, p<0.001). All statoliths observed showed similar morphostructure and general chemistry: hard, translucent spheres of crystalline calcium oxalate (whewellite), with a central nucleus delimited by a growth check of 6.7±1.0 µm in diameter, possibly as a result of growth arrest during metamorphosis, a metamorphic ring, as described for their gastropod counterparts. Subsequent studies should validate this and will involve a search for the occurrence of additional checks that may potentially be present in older specimens and if they are, would open a new range of most promising applications for bivalve statoliths.

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Detection of periodic Sr Ca−1 cycles along gastropod statoliths allows the accurate estimation of age

Cited by 12 publications

References 37 publications

Statoliths of the whelk Buccinum undatum: a novel age determination tool

Statoliths of the whelk Buccinum undatum: a novel age determination tool

Micro-scale geochemical and crystallographic analysis of Buccinum undatum statoliths supports an annual periodicity of growth ring deposition

Morphology and Ontogeny of Statoliths in the Grooved Carpet Shell, Ruditapes decussatus

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