A Range-Wide Hemlock Decline
A Range-Wide Hemlock Decline
The sudden decline of the hemlock 5,500 years ago is a striking feature that appears in all paleoecological records. The records from most New England lakes feature shifts in vegetation along with changes in regional climate since the last glacier receded. The hemlock then recovered almost completely, following a period of regional scarcity that lasted nearly 1,500 years. This chapter examines this ancient dynamic to explore the patterns, causes, and consequences of an earlier catastrophic decline of the hemlock.
Keywords: hemlock, New England, vegetation, climate, glacier
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