Dataset: Effects of early-life diet on mortality of juvenile Nucella canaliculata quantified in the laboratory after 3 months on experimental diets

Final no updates expectedDOI: 10.26008/1912/bco-dmo.918401.1Version 1 (2024-01-24)Dataset Type:Other Field ResultsDataset Type:experimental

Principal Investigator: Eric Sanford (University of California - Davis: Bodega Marine Laboratory)

Student: Emily K. Longman (University of California - Davis: Bodega Marine Laboratory)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)


Project: Coastal mosaics of local adaptation and the eco-evolutionary dynamics of a marine predator-prey interaction (Coastal Adaptation)


Abstract

The field of eco-evolutionary dynamics analyzes the reciprocal impacts that ecological and evolutionary processes have on one another on contemporary timescales. A promising approach for studying eco-evolutionary dynamics is to explore whether variation acting over rapid timescales can impose selection on existing within population-variation in functional traits. The Bodega Marine Reserve population of the Channeled Dogwhelk, Nucella canaliculata, contains a mix of drilling phenotypes. A selecti...

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Sets of Nucella canaliculata egg capsules were collected from Bodega Marine Reserve (n = 18) and Soberanes Point (n = 4) in 2020. The dogwhelks from Soberanes Point were used as a control because previous research showed that this population consists of individuals with strong drilling phenotypes and little variation among individuals (Sanford & Worth 2009). Egg capsules from the same cluster were held together in laboratory tanks in mesh-sided containers and considered 'families' of dogwhelks. Dogwhelks were hatched at Bodega Marine Laboratory and dogwhelks from each family were split into four mesh-sided containers. For the first 3 weeks, all dogwhelks were fed a diet of thin-shelled Mytilus trossulus collected from Bob Creek, Oregon. Early life mortality of dogwhelks during this life stage can be very high (Spight 1975) so this time interval was necessary to prevent mortality from being too high, as this diet is known to result in high survival (Sanford & Worth 2009). After 3 weeks, all dogwhelks were switched to one of the four early-life diet treatments: a control diet of thin-shelled M. trossulus, M. californianus from Soberanes Point, M. californianus from Bodega Marine Reserve, or acorn barnacles (Chthamalus dalli). The two M. californianus treatments were meant to represent differences in shell thickness because preliminary research had shown that adult M. californianus from Bodega Marine Reserve have thicker shells than those from Soberanes Point. Containers were checked weekly to replace food and remove any dead dogwhelks. After 3 months on the experimental diets, total mortality was determined.


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Dataset: Effect of phenotypic variation on dogwhelk morphology during eco-evolutionary field experiment
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Longman, E. K., Sanford, E. (2024) Effect of phenotypic variation on dogwhelk morphology during an eco-evolutionary field experiment. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2024-01-26 doi:10.26008/1912/bco-dmo.918546.1
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Dataset: Effects of early-life diet on Nucella canaliculata drilling phenotype
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Longman, E. K., Sanford, E. (2024) Effects of early-life diet on Nucella canaliculata drilling phenotype quantified in the laboratory after rearing on different prey treatments. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2024-01-24 doi:10.26008/1912/bco-dmo.918460.1
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Longman, E. K., Sanford, E. (2024) Effects of intra-population variation in dogwhelk drilling on the abundance and size of Mytilus californianus mussels. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2024-01-25 doi:10.26008/1912/bco-dmo.918582.1
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Longman, E. K., Sanford, E. (2024) Percent cover measure of mussel bed succession on rocky shores due to intra-population variation in dogwhelk drilling. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2024-01-24 doi:10.26008/1912/bco-dmo.918518.1
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Longman, E. K., Sanford, E. (2024) Shell thickness of mussel recruits quantified in two species, Mytilus trossulus and Mytilus californianus. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2024-01-24 doi:10.26008/1912/bco-dmo.918420.1

Related Publications

Methods

Sanford, E., & Worth, D. J. (2009). Genetic differences among populations of a marine snail drive geographic variation in predation. Ecology, 90(11), 3108–3118. https://doi.org/10.1890/08-2055.1
Methods

Spight, T. M. (1975). On a Snail’s Chances of Becoming a Year Old. Oikos, 26(1), 9. https://doi.org/10.2307/3543270