Modern pollen deposition in Long Island Sound

Mecray, Ellen L.; Beuning, Kristina R. M.; ten Brink, Marylin R. Buchholtz; Nakityo, Berna; Fransen, Lindsey
June 2000
Journal of Coastal Research;Summer2000, Vol. 16 Issue 3, p656
Academic Journal
Palynological analyses of 20 surface sediment samples collected fromLong Island Sound show a pollen assemblage dominated by Carya, Betula, Pinus, Quercus, Tsuga, and Ambrosia, as is consistent with the regional vegetation. No trends in relative abundance of these pollen types occur either from west to east or associated with modern riverine inputs throughout the basin. Despite the large-scale, long-term removal of fine-grained sediment from winnowed portions of the eastern Sound, the composition of the pollen and spore component of the sedimentary matrix conforms to a basin-wide homogeneous signal. These resultsstrongly support the use of select regional palynological boundariesas chronostratigraphic tools to provide a framework for interpretation of the late glacial and Holocene history of the Long Island Sound basin sediments.


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