©2020 Biological and Chemical Oceanography Data Management Office.Although there is a growing body of work indicating that ecological and evolutionary processes can have reciprocal feedbacks on one another, few studies have tested these feedbacks in natural field settings at the community level. We tested the ecological consequences of selection on intra-population variation in dogwhelk drilling. We reared juvenile dogwhelks (Nucella canaliculata) on four early-life diet treatments (thin-shelled Mytilus trossulus, two treatments of M. californianus from two po...
Show moreDogwhelks (Nucella canaliculata) were reared in the lab from hatching on four early-life diet treatments (thin-shelled Mytilus trossulus, two treatments of M. californianus from two populations known to differ in adult shell thickness, and acorn barnacles). Adult dogwhelks were outplanted to field cages in July of 2021. The tidal height of each cage was measured relative to Mean Lower Low Water (MLLW) using a rotary laser level (DeWalt DW071). Five dogwhelks from the same family (i.e., dogwhelks from the same egg capsule cluster) and early-life diet treatment were placed in each of the cages. Prior to the outplant, the length of dogwhelks was measured with digital calipers, the sex was determined with visual inspection, and the snails were individually marked with small tags (Floy Tags). Cages were checked every 8 weeks for the next year. If a dogwhelk was dead, it was replaced with another dogwhelk from the same family by diet treatment. At the end of the experiment, the length of the snails was remeasured.
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 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.918546.1 [access date]
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