Abstract:Abstract:Growth patterns in the shell and soft parts of the dogwhelk Nucella freycineti were examined. Growth rings in the shells were investigated by X-ray photography and were shown to form annually.In snails that hatched in summer,the first rings formed in the first winter.The shell growth equation was determined based on the age character,population age structure,seasonal growth rate and size frequency distribution of the population.The maximum shell growth occurred in summer.The life span was esti mated t… Show more
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.