Pollen grains in lake sediments: redeposition caused by seasonal water circulation

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Abstract

Annual pollen deposition per unit area measured in sediment traps is two to four times greater than deposition measured in surface sediment cores. The difference is due to repeated redeposition of pollen from the sediment surface during seasons of water circulation. This process reduces variations in the percentages of different pollen types in sediment, but causes differences in the total amount of pollen accumulated in various parts of the lake basin.
Original languageUndefined/Unknown
Pages (from-to)796-799
Number of pages4
JournalScience
Volume162
Issue number3855
StatePublished - 1968

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