To examine if changes in species composition of a plankton community in the past due to anthropogenic activities can be clarified in lakes without any monitoring data. we analyzed genetically ephippial carapaces of Daphnia with plankton remains stored in the bottom sediments of Lake Hataya Ohunma in Japan. In the lake. abundance of most plankton remains in the sediments was limited an... https://cosmeticssquadets.shop/product-category/hair-treatment/