Monthly densities of the snail Cerithideopsis (Cerithidea) californica at Carpinteria Salt Marsh, California USA, February 2012 to January 2014

Each month (except March 2012), we collected detailed data on the density, size distribution, and infection status of intertidal snails from ten fixed sites as part...作为相关研究的一部分，我们于每月（2012年3月除外）从10个固定采样点位采集潮间带螺类的种群密度、体型分布及感染状态的详细数据。