Carotenoids of phototrophic organisms in bottom sediments of meromictic Lake Shira (Siberia, Russia) as an indicator of past stratification

228 Photosynthetic pigments (chlorophylls and caro tenoids) buried in bottom sediments of water bodies are traces of phototrophic organisms that dwelled in these water bodies in the past [1–3]. In the course of sedimentation, the pigments come to bottom sedi ments from the photic zone together with dead cells, pallets of zooplankton, plant remnants, etc… CONTINUE READING